Structural Classification of Proteins




Class: Small proteins
- Usually dominated by metal ligand, heme, and/or disulfide bridges
Lineage:
- Root: scop
- Class: Small proteins [56992]
Usually dominated by metal ligand, heme, and/or disulfide bridges
Folds:
- Insulin-like [56993] (1)
nearly all-alpha
can be classified as disulfide-rich
- Insulin-like [56994] (1)
- Insulin-like [56995] (6)

- Knottins (small inhibitors, toxins, lectins) [57015] (19)
disulfide-bound fold; contains beta-hairpin with two adjacent disulfides
- Plant lectins/antimicrobial peptides [57016] (2)
- Hevein-like agglutinin (lectin) domain [57017] (6)

- Antimicrobial peptide 2, AC-AMP2 [57024] (1)

- Plant inhibitors of proteinases and amylases [57027] (1)
- Plant inhibitors of proteinases and amylases [57028] (7)

- Cyclotides [57038] (4)
macrocyclic plant knottins closed with the formation of an Asn-Gly peptide
- Kalata B1 [57039] (1)

- Cycloviolacin [57042] (2)

- Circulin A [57045] (1)

- Palicourein [103526] (1)

- Gurmarin-like [57048] (2)
- Gurmarin, a sweet taste-suppressing polypeptide [57049] (1)

- Antifungal peptide [57052] (2)

- Agouti-related protein [57055] (1)
- Agouti-related protein [57056] (1)

- omega toxin-like [57059] (5)
- Conotoxin [57060] (13)

- Spider toxins [57072] (25)

- Insect toxins [69930] (2)

- Albumin 1 [90134] (2)

- Vhv1.1, polydnaviral gene product [118237] (1)

- Scorpion toxin-like [57095] (5)
- Long-chain scorpion toxins [57096] (22)

- Short-chain scorpion toxins [57116] (36)

- Defensin MGD-1 [57160] (1)

- Insect defensins [57163] (6)

- Plant defensins [57170] (10)

- Cellulose-binding domain [57180] (1)
- Cellulose-binding domain [57181] (1)

- Growth factor receptor domain [57184] (1)
- Growth factor receptor domain [57185] (6)

- Colipase-like [57190] (1)
- Colipase-like [57191] (2)

- EGF/Laminin [57196] (7)
- EGF-type module [57197] (27)

- Integrin beta EGF-like domains [69940] (1)

- EGF-like domain of nidogen-1 [64541] (1)

- Laminin-type module [57233] (1)

- Follistatin (FS) module N-terminal domain, FS-N [57236] (2)

- Merozoite surface protein 1 (MSP-1) [57239] (3)

- Cripto EGF-like domain-like [144100] (1)

- Bromelain inhibitor VI (cysteine protease inhibitor) [57243] (1)
- Bromelain inhibitor VI (cysteine protease inhibitor) [57244] (1)

- Bowman-Birk inhibitor, BBI [57247] (1)
- Bowman-Birk inhibitor, BBI [57248] (8)

- Elafin-like [57256] (1)
- Elafin-like [57257] (2)

- Leech antihemostatic proteins [57262] (2)
- Huristasin-like [57263] (3)

- Hirudin-like [57270] (3)

- Granulin repeat [57277] (1)
- Granulin repeat [57278] (3)

- Satiety factor CART (cocaine and amphetamine regulated transcript) [64546] (1)
- Satiety factor CART (cocaine and amphetamine regulated transcript) [64547] (1)

- DPY module [90148] (1)
- DPY module [90149] (1)

- Bubble protein [103565] (1)
- Bubble protein [103566] (1)

- PMP inhibitors [57282] (1)
disulfide-rich fold; all-beta: 3 antiparallel strands
- PMP inhibitors [57283] (1)
- PMP inhibitors [57284] (4)

- Midkine [57287] (1)
disulfide-rich fold; all-beta: 3 antiparallel strands
- Midkine [57288] (2)
- Midkine, a heparin-binding growth factor, N-terminal domain [57289] (1)

- Midkine, a heparin-binding growth factor, C-terminal domain [57292] (1)

- TSP-1 type 1 repeat [82894] (1)
disulfide-rich fold; all-beta: 3 antiparallel strands
- TSP-1 type 1 repeat [82895] (1)
- TSP-1 type 1 repeat [82896] (1)

- Amb V allergen [57295] (1)
disulfide-rich; alpha+beta: 3 antiparallel strands followed by a short alpha helix
- Amb V allergen [57296] (1)
- Amb V allergen [57297] (1)

- Snake toxin-like [57301] (1)
disulfide-rich fold: nearly all-beta
- Snake toxin-like [57302] (3)
- Snake venom toxins [57303] (36)

- Dendroaspin [57351] (1)

- Extracellular domain of cell surface receptors [57354] (7)

- BPTI-like [57361] (1)
disulfide-rich alpha+beta fold
- BPTI-like [57362] (2)
- Small Kunitz-type inhibitors & BPTI-like toxins [57363] (12)

- Soft tick anticoagulant proteins [57386] (2)

- Defensin-like [57391] (1)
Disulfide-rich fold, nearly all-beta
- Defensin-like [57392] (2)
- Defensin [57393] (17)

- Myotoxin [90157] (1)

structurally similar to beta-defensin
- Hairpin loop containing domain-like [57413] (1)
alpha+beta fold with two crossing loops
- Hairpin loop containing domain-like [57414] (3)
the middle part is structurally similar to some knottins and defensins but differs in the disulfide pattern
- Hairpin loop containing domain [57415] (1)

- Anti-platelet protein [64556] (1)

- Pan module (APPLE domain) [82901] (1)

probable carbohydrate-binding function
- Neurotoxin III (ATX III) [57418] (1)
disulfide-rich fold
- Neurotoxin III (ATX III) [57419] (1)
- Neurotoxin III (ATX III) [57420] (1)

- LDL receptor-like module [57423] (1)
disulfide-rich calcium-binding fold
- LDL receptor-like module [57424] (1)
- LDL receptor-like module [57425] (6)

- Crambin-like [57428] (1)
disulfide-rich alpha+beta fold
- Crambin-like [57429] (1)
- Crambin-like [57430] (9)

- Kringle-like [57439] (1)
disulfide-rich fold; nearly all-beta
- Kringle-like [57440] (2)
- Kringle modules [57441] (9)

- Fibronectin type II module [57459] (4)

shorter two-disulfide version of a kringle module
- Kazal-type serine protease inhibitors [100894] (1)
- Kazal-type serine protease inhibitors [100895] (2)
conserved core consists of a helix and a loop crosslinked with two disulfides
- Ovomucoid domain III-like [57468] (13)

- Serine proteinase inhibitor lekti [69960] (1)

- Plant proteinase inhibitors [100896] (1)
disulfide-rich small alpha+beta fold; topological similarity to the Ovomucoid domain III
- Plant proteinase inhibitors [100897] (1)
- Plant proteinase inhibitors [57486] (3)

- Trefoil/Plexin domain-like [57491] (3)
disulfide-rich fold; common core is alpha+beta with two conserved disulfides
- Trefoil [57492] (1)
- Trefoil [57493] (3)

- Plexin repeat [103575] (1)
- Plexin repeat [103576] (3)

Pfam 01437
- Variant surface glycoprotein MITAT 1.2, VSG 221, C-terminal domain [118251] (1)
alpha-beta(2)-alpha; fragment of a larger dimeric protein
- Variant surface glycoprotein MITAT 1.2, VSG 221, C-terminal domain [118252] (1)

- Necrosis inducing protein 1, NIP1 [103579] (1)
disulfide-rich fold; all-beta; duplication: contains two structural repeats
- Necrosis inducing protein 1, NIP1 [103580] (1)
- Necrosis inducing protein 1, NIP1 [103581] (1)

- Cystine-knot cytokines [57500] (1)
disulfide-rich fold; common core is all-beta
- Cystine-knot cytokines [57501] (7)
- Platelet-derived growth factor-like [57502] (5)

- Transforming growth factor (TGF)-beta [57507] (7)

- Noggin [82904] (1)

- Neurotrophin [57520] (5)

- Gonadodropin/Follitropin [57528] (3)

- Interleukin 17F, IL-17F [69955] (1)

- Coagulogen [57531] (1)

- Complement control module/SCR domain [57534] (1)
disulfide-rich all-beta fold
- Complement control module/SCR domain [57535] (1)
- Complement control module/SCR domain [57536] (13)

Pfam 00084
- Crisp domain-like [57545] (1)
disulfide-rich all-alpha fold
- Crisp domain-like [57546] (2)
- Sea anemone toxin k [57547] (2)

- Crisp domain [118259] (1)

Pfam 08562; contains extra N-terminal knottin-like subdomain
- Blood coagulation inhibitor (disintegrin) [57551] (1)
small disulfide-rich
- Blood coagulation inhibitor (disintegrin) [57552] (1)
- Blood coagulation inhibitor (disintegrin) [57553] (6)

- Methylamine dehydrogenase, L chain [57560] (1)
disulfide-rich; nearly all-beta
- Methylamine dehydrogenase, L chain [57561] (1)
- Methylamine dehydrogenase, L chain [57562] (2)

- Serine protease inhibitors [57566] (1)
disulfide-rich; nearly all-beta
- Serine protease inhibitors [57567] (2)
- ATI-like [57568] (4)

- BSTI [57577] (1)

- TB module/8-cys domain [57580] (1)
disulfide-rich; alpha+beta
- TB module/8-cys domain [57581] (1)
- TB module/8-cys domain [57582] (2)

transforming growth factor beta binding protein-like domain
- TNF receptor-like [57585] (1)
duplication: consists of three similar disulfide-rich domains
- TNF receptor-like [57586] (2)
- TNF receptor-like [57587] (5)

Pfam 00020; TNFR/NGFR cysteine-rich region
- BAFF receptor-like [90174] (3)

only fragments of the receptor structures are available; no domain division is provided here
- Heparin-binding domain from vascular endothelial growth factor [57592] (1)
duplication: consists of two similar disulfide-rich domains, alpha+beta
- Heparin-binding domain from vascular endothelial growth factor [57593] (1)
- Heparin-binding domain from vascular endothelial growth factor [57594] (1)

- Antifungal protein (AGAFP) [57597] (1)
disulfide-rich; all-beta: open barrel, 5 strands; OB-fold-like
- Antifungal protein (AGAFP) [57598] (1)
- Antifungal protein (AGAFP) [57599] (1)

- FnI-like domain [57602] (1)
disulfide-rich, all-beta
- FnI-like domain [57603] (2)
- Fibronectin type I module [57604] (2)

- VWC domain [118264] (1)

Pfam 00093; similar to FnI domain in the N-terminal part, contains extra C-terminal subdomain
- Thyroglobulin type-1 domain [57609] (1)
disulfide-rich, alpha+beta
- Thyroglobulin type-1 domain [57610] (1)
- Thyroglobulin type-1 domain [57611] (2)

Pfam 00086
- Type X cellulose binding domain, CBDX [57614] (1)
disulfide-rich, alpha+beta
- Type X cellulose binding domain, CBDX [57615] (1)
- Type X cellulose binding domain, CBDX [57616] (1)

- Cellulose docking domain, dockering [64570] (1)
disulfide-rich, alpha+beta
- Cellulose docking domain, dockering [64571] (1)
- Cellulose docking domain, dockering [64572] (1)

- Carboxypeptidase inhibitor [57619] (1)
disulfide-rich, alpha+beta
- Carboxypeptidase inhibitor [57620] (1)
- Carboxypeptidase inhibitor [57621] (1)

- Invertebrate chitin-binding proteins [57624] (1)
disulfide-rich
- Invertebrate chitin-binding proteins [57625] (2)
shares a putative chitin-binding motif with the plant lectins/antimicrobial peptides superfamily but lacks one of the conserved disulfides of the knottin fold
- Tachycitin [57626] (1)

- Antifungal peptide scarabaecin [90179] (1)

- Pheromone ER-23 [69963] (1)
disulfide-rich, all-alpha
- Pheromone ER-23 [69964] (1)
- Pheromone ER-23 [69965] (1)

- Mollusk pheromone [90182] (1)
disulfide-rich; all-alpha
- Mollusk pheromone [90183] (1)
- Mollusk pheromone [90184] (1)

- Apical membrane antigen 1 [82909] (1)
disulfide-rich, alpha+beta
- Apical membrane antigen 1 [82910] (1)
- Apical membrane antigen 1 [82911] (1)

- Somatomedin B domain [90187] (1)
disulfide-rich
- Somatomedin B domain [90188] (1)
- Somatomedin B domain [90189] (1)

- Notch domain [90192] (1)
disulfide-rich; all-alpha; calcium-binding
- Notch domain [90193] (1)
- Notch domain [90194] (1)

also called DSL domain or LNR repeat
- Mini-collagen I, C-terminal domain [103588] (1)
disulfide-rich
- Mini-collagen I, C-terminal domain [103589] (1)
- Mini-collagen I, C-terminal domain [103590] (1)

- Hormone receptor domain [111417] (1)
disulfide-rich all-beta fold; contains beta sandwich of 5 strands
- Hormone receptor domain [111418] (1)
- Hormone receptor domain [111419] (1)

Pfam 02793; HRM
- Resistin [111422] (1)
disulfide-rich six-stranded beta-sandwich; jelly-roll
- Resistin [111423] (1)
- Resistin [111424] (2)

Pfam 06954
- YAP1 redox domain [111429] (1)
bipartite cysteine-rich all-alpha domain; a single helix in the N-terminal part (chain A) is linked by disulfides to the C-terminal part (chain B) [3-helical bundle of the RuvA C-terminal domain-like fold (scop_cf 46928)
- YAP1 redox domain [111430] (1)
- YAP1 redox domain [111431] (1)

- Tim10-like [144121] (1)
alpha-hairpin crosslinked by two disulfides; assembles into a heterohexameric ring-like structure
- Tim10-like [144122] (1)
- Tim10/DDP [144123] (2)

Pfam 02953; note: not a zinc finger
- Cysteine zipper [144128] (1)
string of helices that contain cysteines at almost every turn; folds upon itself and is crosslnked by multiple disulfides
- Vanabin-like [144129] (1)
- Vanabin-like [144130] (1)

- GLA-domain [57629] (1)
Calcium ion-bound
- GLA-domain [57630] (1)
gamma-carboxy-glutamic acid-rich domain
- GLA-domain [57631] (9)

- Cholecystokinin A receptor, N-domain [57641] (1)
a few helical turns and a disulfide-crosslinked loop
- Cholecystokinin A receptor, N-domain [57642] (1)
- Cholecystokinin A receptor, N-domain [57643] (1)

- HIV-1 VPU cytoplasmic domain [57646] (1)
a few helical turns assembled without a hydrophobic core?
- HIV-1 VPU cytoplasmic domain [57647] (1)
- HIV-1 VPU cytoplasmic domain [57648] (1)

- HIPIP (high potential iron protein) [57651] (1)
folds around 4Fe-4S cluster
- HIPIP (high potential iron protein) [57652] (1)
- HIPIP (high potential iron protein) [57653] (7)

- Ferredoxin thioredoxin reductase (FTR), catalytic beta chain [57661] (1)
folds around 4Fe-4S cluster
- Ferredoxin thioredoxin reductase (FTR), catalytic beta chain [57662] (1)
- Ferredoxin thioredoxin reductase (FTR), catalytic beta chain [57663] (1)

- C2H2 and C2HC zinc fingers [57666] (1)
alpha+beta metal(zinc)-bound fold: beta-hairpin + alpha-helix
- C2H2 and C2HC zinc fingers [57667] (6)
- Classic zinc finger, C2H2 [57668] (30)

- Plant C2H2 finger (QALGGH zinc finger) [90198] (1)

- C2HC finger [57697] (3)

- Spliceosomal protein U1C [111436] (1)

- variant C2H2 finger [118273] (1)

contains extra C-terminal, alpha-helical subdomain
- BED zinc finger [144157] (1)

Pfam 02892; contains extra N-terminal and C-terminal helices bundled together with the core helix
- Zn2/Cys6 DNA-binding domain [57700] (1)
all-alpha dimetal(zinc)-bound fold
- Zn2/Cys6 DNA-binding domain [57701] (1)
duplication: two structural repeats are related by the pseudo dyad
- Zn2/Cys6 DNA-binding domain [57702] (6)

- Glucocorticoid receptor-like (DNA-binding domain) [57715] (1)
alpha+beta metal(zinc)-bound fold
- Glucocorticoid receptor-like (DNA-binding domain) [57716] (15)
- Erythroid transcription factor GATA-1 [57717] (2)

single zinc-binding motif
- Nuclear receptor [57721] (12)

duplication: two zinc-binding motifs
- Transcription factor grauzone Cg33133-Pa, zinc finger associated domain [103605] (1)

- LIM domain [57736] (21)

duplication: contains two (sub)domains of this fold
- LASP-1 [57743] (1)

- DNA repair factor XPA DNA- and RPA-binding domain, N-terminal subdomain [57746] (1)

- Ribosomal protein L24e [57749] (1)

- Hypothetical zinc finger protein YacG [82914] (1)

Zn-binding site is particularly similar to that of ribosomal protein L24e
- Ribosomal protein S14 [57752] (1)

- C-terminal, Zn-finger domain of MutM-like DNA repair proteins [81627] (6)

- ClpX chaperone zinc binding domain [103608] (1)

- PARP-type zinc finger [111445] (1)

Pfam 00645
- Prokaryotic DksA/TraR C4-type zinc finger [111448] (1)

Pfam 01258; Pfam coverage extends to the second helix of the upstream alpha-hairpin domain
- Type II thymidine kinase zinc finger [118276] (3)

C-terminal part of Pfam 00265
- A20-like zinc finger [144187] (2)

Pfam 01754
- SBT domain [103611] (1)
consist of two different zn-binding subdomains, each subdomain resembles a distorted glucocorticoid receptor-like fold
- SBT domain [103612] (1)
- SBT domain [103613] (3)

Pfam 03110
- Retrovirus zinc finger-like domains [57755] (1)
metal(zinc)-bound fold
- Retrovirus zinc finger-like domains [57756] (1)
- Retrovirus zinc finger-like domains [57757] (6)

- Rubredoxin-like [57769] (16)
metal(zinc or iron)-bound fold; sequence contains two CX(n)C motifs, in most cases n = 2
- Methionyl-tRNA synthetase (MetRS), Zn-domain [57770] (1)
- Methionyl-tRNA synthetase (MetRS), Zn-domain [57771] (2)

in the Pyrococcus abyssi MetRS structure there is a tandem repeat of two such domains swapped with their zinc-binding 'knuckles', this duplicated finger occupies a larger region (124-183) than defined below; there is a structurally equivalent region in the E. coli enzyme lacking the second zinc-binding site
- Microbial and mitochondrial ADK, insert "zinc finger" domain [57774] (1)
- Microbial and mitochondrial ADK, insert "zinc finger" domain [57775] (8)

- NADH pyrophosphatase intervening domain [116738] (1)
- NADH pyrophosphatase intervening domain [116739] (1)

- Zinc beta-ribbon [57783] (5)
- Transcriptional factor domain [57784] (6)

- DNA primase zinc finger [57792] (2)

contains alpha-helices in the N- and C-terminal extensions (linkers?)
- Prokaryotic DNA topoisomerase I, a C-terminal fragment [57795] (1)

Duplication: contains tandem repeats of several domains with zinc-binding sites being lost in some of them
- Putative zinc binding domain [118285] (1)

Pfam 05129; DUF701
- PhnA zinc-binding domain [144191] (1)

Pfam 08274
- Casein kinase II beta subunit [57798] (1)
- Casein kinase II beta subunit [57799] (2)

contains alpha-helices in the N- and C-terminal extensions (linkers?)
- Rubredoxin-like [57802] (3)
- Rubredoxin [57803] (10)

- Desulforedoxin [57813] (3)

- Cytochrome c oxidase Subunit F [57818] (1)

membrane-anchored rubredoxin-like domain
- Zn-finger domain of Sec23/24 [82919] (1)
- Zn-finger domain of Sec23/24 [82920] (2)

- Ran BP2/NZF zinc finger-like [90209] (1)
contains CxxxxC-x(n)-CxxC zinc-binding site; similar to the Sec23/24 zinc finger domain
- Ran BP2/NZF zinc finger-like [90210] (4)

- Hypothetical protein Ta0289 C-terminal domain [103623] (1)
contains CxxC-x(n)-CxxxxC zinc-binding site; sequence similarity to NAD-dependent DNA ligase zinc-finger subdomain
- Hypothetical protein Ta0289 C-terminal domain [103624] (1)

- Hypothetical protein MTH1184 [57821] (1)
contains two CXC motifs
- Hypothetical protein MTH1184 [57822] (1)

possible metal-binding fold
- Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain [57825] (1)
- Aspartate carbamoyltransferase, Regulatory-chain, C-terminal domain [57826] (2)

- Zn-binding ribosomal proteins [57829] (6)
- Ribosomal protein L37ae [57830] (1)

- Ribosomal protein L37e [57833] (1)

- Ribosomal protein L44e [57836] (1)

- Ribosomal protein S27e [90217] (1)

- Ribosomal protein L32p [144200] (1)

Pfam 01783; metal ion-binding site is lost in some members; includes the N-terminal, mainly helical tail
- Ribosomal protein L33p [144203] (1)

Pfam 00471; corresponds structurally and functionally to the ribosomal L44e from eukaryota and archaea; metal ion-binding site is lost in most members
- RNA polymerase subunits [63393] (2)
- RBP12 subunit of RNA polymerase II [64576] (1)

- RpoE2-like [111454] (1)

Pfam 04035
- NOB1 zinc finger-like [144206] (1)
- NOB1 zinc finger-like [144207] (1)

- Nop10-like SnoRNP [144210] (1)
- Nucleolar RNA-binding protein Nop10-like [144211] (3)

Pfam 04135; contains N-terminal zinc-finger domain similar to the insert finger of the Initiation factor eIF2 gamma subunit (75204)
- CSL zinc finger [144217] (1)
- CSL zinc finger [144218] (2)

Pfam 05207
- Ribosomal protein L36 [57839] (1)
zinc-bound beta-ribbon motif
- Ribosomal protein L36 [57840] (1)
- Ribosomal protein L36 [57841] (2)

- Zinc-binding domain of translation initiation factor 2 beta [75688] (1)
zinc-bound beta-ribbon motif
- Zinc-binding domain of translation initiation factor 2 beta [75689] (1)
- Zinc-binding domain of translation initiation factor 2 beta [75690] (2)

- WRKY DNA-binding domain [118289] (1)
zinc-bound 4-stranded meander beta-sheet, distinct from the beta-ribbon motifs
- WRKY DNA-binding domain [118290] (1)
- WRKY DNA-binding domain [118291] (1)

Pfam 03106
- B-box zinc-binding domain [57844] (1)
zinc-bound alpha+beta motif
- B-box zinc-binding domain [57845] (1)
- B-box zinc-binding domain [57846] (1)

- RING/U-box [57849] (1)
dimetal(zinc)-bound alpha+beta motif; structurally diverse
- RING/U-box [57850] (4)
- RING finger domain, C3HC4 [57851] (14)

- U-box [90222] (4)

Associated with multi-ubiquitination; lacks the RING-domain metal ion-binding residues
- Variant RING domain [118300] (2)

- IBR domain [144228] (1)

Smart 00647; RING-associated domain
- ArfGap/RecO-like zinc finger [57862] (1)
zinc-bound alpha+beta motif
- ArfGap/RecO-like zinc finger [57863] (2)
- Pyk2-associated protein beta ARF-GAP domain [57864] (1)

- RecO C-terminal domain-like [118303] (1)

C-terminal part of Pfam 02565
- Metallothionein [57867] (1)
metal(iron)-bound fold
duplication: consists of clear structural/sequence repeats
- Metallothionein [57868] (1)
- Metallothionein [57869] (11)

- Zinc domain conserved in yeast copper-regulated transcription factors [57878] (1)
metal(zinc)-bound alpha+beta fold
- Zinc domain conserved in yeast copper-regulated transcription factors [57879] (1)
- Zinc domain conserved in yeast copper-regulated transcription factors [57880] (1)

- Ada DNA repair protein, N-terminal domain (N-Ada 10) [57883] (1)
metal(zinc)-bound alpha+beta fold
- Ada DNA repair protein, N-terminal domain (N-Ada 10) [57884] (1)
- Ada DNA repair protein, N-terminal domain (N-Ada 10) [57885] (1)

- Cysteine-rich domain [57888] (1)
dimetal(zinc)-bound alpha+beta fold
- Cysteine-rich domain [57889] (3)
- Protein kinase cysteine-rich domain (cys2, phorbol-binding domain) [57890] (6)

Pfam 00130
- TFIIH p44 subunit cysteine-rich domain [57899] (1)

- C1-like domain [111463] (1)

contains Pfam 03107 (C1_2) and Pfam 07649 (C1_3)
- AN1-like Zinc finger [118309] (1)
dimetal(zinc)-bound alpha+beta fold; partial similarity to the Cysteine-rich domain fold (scop_cf 57888)
- AN1-like Zinc finger [118310] (1)
- AN1-like Zinc finger [118311] (6)

Pfam 01428
- HIT/MYND zinc finger-like [144231] (1)
dimetal(zinc)-bound alpha+beta fold; structural similarity to members of the Cysteine-rich domain fold (scop_cf 57888)
- HIT/MYND zinc finger-like [144232] (2)
- MYND zinc finger [144233] (3)

Pfam 01753
- HIT zinc finger [144240] (1)

Pfam 04438
- Toxic hairpin [57006] (3)
disulfide crosslinked alpha-helical hairpin
- Heat-stable enterotoxin B [57007] (1)
- Heat-stable enterotoxin B [57008] (1)

contains 2 disulfides
- Neurotoxin B-IV [57011] (1)
- Neurotoxin B-IV [57012] (1)

contains 4 disulfides
- Pollen allergen ole e 6 [111388] (1)
contains 3 disulfides
- Pollen allergen ole e 6 [111389] (1)

- FYVE/PHD zinc finger [57902] (1)
dimetal(zinc)-bound alpha+beta fold
- FYVE/PHD zinc finger [57903] (3)
- FYVE, a phosphatidylinositol-3-phosphate binding domain [57904] (6)

- PHD domain [57911] (12)

- variant PHD-like domain [118346] (1)

- Zn-binding domains of ADDBP [57916] (1)
metal(zinc)-bound alpha+beta fold
- Zn-binding domains of ADDBP [57917] (1)
duplication: contains two Zn-binding domains of similar fold
- Zn-binding domains of ADDBP [57918] (2)

- Inhibitor of apoptosis (IAP) repeat [57923] (1)
metal(zinc)-bound alpha+beta fold
- Inhibitor of apoptosis (IAP) repeat [57924] (1)
- Inhibitor of apoptosis (IAP) repeat [57925] (7)

- CCCH zinc finger [90228] (1)
metal(zinc)-bound alpha+beta fold
- CCCH zinc finger [90229] (1)
- CCCH zinc finger [90230] (3)
