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X - Possible homology level

H - Homology level

T - Topology level

F - Family level

* - Provisional representative

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Evolutionary classification of protein domain structures

alpha arraysalpha-helix arrays with mainly perpendicular helices

alpha bundlesalpha-helix bundles with mainly parallel helices

alpha superhelicesrepeating alpha-helix hairpins form a superhelix

alpha duplicates or obligate multimersalpha duplicates or monomers associate together to form a compact domain

alpha complex topologyalpha domain with complex and unique topology that cannot be described as array or bundle or superhelix

beta barrelssingle beta-sheet folded upon itself to form a barrel

beta meanderssingle beta-sheet with mainly meander topology

beta sandwichestwo beta-sheets stacked together to form a sandwich

beta duplicates or obligate multimersbeta duplicates or monomers associate together to form a compact domain

beta complex topologybeta domains with complex and unique topology that cannot be described as barrel or sandwich or meander

a+b two layersone alpha-helix layer and one beta-sheet layer

a+b three layersone mainly antiparallel beta-sheet layer sandwiched between two alpha-helix layers

a+b four layerstwo beta-sheet layers sandwiched between two alpha-helix layers

a+b complex topologyalpha and beta domain with complex and unique topology that cannot be described in layers

X: Cysteine proteinases-like
H: Cysteine proteinases
T: Cysteine proteinases
F: Peptidase_C1

PF00112 CL0125

Representatives:

e1me4A1[A:1-212] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRUZIPAIN ; ligands: T10 ; X-RAY DIFFRACTION 1.1Å

e4ci7A1[A:31-331] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CELL SURFACE PROTEIN (PUTATIVE CELL SURFACE-ASSOCIATED CYSTEINE PROTEASE) ; ligands: GOL,PGE,SO4 ; X-RAY DIFFRACTION 1.4Å

e1khqA1[A:1-212] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PAPAIN ; X-RAY DIFFRACTION 1.6Å

e2fo5A1[A:3-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cysteine proteinase EP-B 2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.15Å

e3bpmA1[A:8-250] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE PROTEASE FALCIPAIN-3 ; ligands: SO4 ; X-RAY DIFFRACTION 2.5Å

e3d6sA1[A:1-223] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: NDG,SO4

e3pnrA1[A:2-241] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

FALCIPAIN 2 ; ligands: CD,GOL ; X-RAY DIFFRACTION 2.6Å

e4axlA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: ACT,GOL,ZN ; X-RAY DIFFRACTION 1.92Å

e2fyeA1[A:1-211] Image Pymol Jmol Links: PDB, SCOP, CATH

cathepsin S preproprotein ; ligands: BCQ ; X-RAY DIFFRACTION 2.200Å

e2b1nA1[A:2-228] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

SPE31 ; X-RAY DIFFRACTION 2.40Å

e2bdzB1[B:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mexicain ; ligands: E64 ; X-RAY DIFFRACTION 2.10Å

e2bdzC1[C:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mexicain ; ligands: E64 ; X-RAY DIFFRACTION 2.10Å

e2bdzD1[D:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Mexicain ; ligands: E64 ; X-RAY DIFFRACTION 2.10Å

e3e1zB1[B:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PAPAIN ; ligands: ACY,FMT ; X-RAY DIFFRACTION 1.86Å

e3bpfA1[A:1-241] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE PROTEASE FALCIPAIN-2 ; ligands: E64 ; X-RAY DIFFRACTION 2.9Å

e3bpfB1[B:1-240] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE PROTEASE FALCIPAIN-2 ; ligands: E64 ; X-RAY DIFFRACTION 2.9Å

e3bpfC1[C:2-241] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE PROTEASE FALCIPAIN-2 ; ligands: E64,GOL ; X-RAY DIFFRACTION 2.9Å

e3bpmB1[B:9-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE PROTEASE FALCIPAIN-3 ; ligands: SO4 ; X-RAY DIFFRACTION 2.5Å

e3f5vA1[A:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Der p 1 allergen ; ligands: CA,P6G ; X-RAY DIFFRACTION 1.360Å

e3f5vB1[B:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Der p 1 allergen ; ligands: CA,P6G ; X-RAY DIFFRACTION 1.360Å

e3bc3A1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L heavy and light chains ; ligands: OPT ; X-RAY DIFFRACTION 2.2Å

e3bc3B1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L heavy and light chains ; ligands: OPT ; X-RAY DIFFRACTION 2.2Å

e2pnsB1[B:1-208] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ERVATAMIN-C, A PAPAIN-LIKE PLANT CYSTEINE PROTEASE ; ligands: THJ ; X-RAY DIFFRACTION 1.9Å

e2preA1[A:1-208] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ERVATAMIN-C ; ligands: E64,SO4 ; X-RAY DIFFRACTION 2.7Å

e2preB1[B:1-208] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ERVATAMIN-C ; ligands: E64,SO4 ; X-RAY DIFFRACTION 2.7Å

e3bcnB1[B:1-209] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ERVATAMIN-A ; ligands: E64 ; X-RAY DIFFRACTION 2.85Å

e2p86A1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH

Cysteine protease ; ligands: EDO,VS1 ; X-RAY DIFFRACTION 1.160Å

e2vhsB1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHSILICATEIN ; ligands: SO4 ; X-RAY DIFFRACTION 1.5Å

e2vhsC1[C:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHSILICATEIN ; ligands: SO4 ; X-RAY DIFFRACTION 1.5Å

e2vhsD1[D:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHSILICATEIN ; ligands: SO4 ; X-RAY DIFFRACTION 1.5Å

e3bwkA1[A:8-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE PROTEASE FALCIPAIN-3 ; ligands: C1P,SO4 ; X-RAY DIFFRACTION 2.42Å

e3bwkB1[B:8-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE PROTEASE FALCIPAIN-3 ; ligands: C1P,SO4 ; X-RAY DIFFRACTION 2.42Å

e3bwkC1[C:8-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE PROTEASE FALCIPAIN-3 ; ligands: C1P,SO4 ; X-RAY DIFFRACTION 2.42Å

e3d6sB1[B:1-223] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: NAG,SO4

e3d6sC1[C:1-223] Image Pymol Jmol Links: PDB, SCOP, CATH

e3bwkD1[D:8-249] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE PROTEASE FALCIPAIN-3 ; ligands: C1P,SO4 ; X-RAY DIFFRACTION 2.42Å

e3imaC1[C:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Papain ; ligands: ACT ; X-RAY DIFFRACTION 2.03Å

e3lfyA1[A:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Papain ; ligands: ASN,GLY,SER ; X-RAY DIFFRACTION 2.56Å

e3lfyC1[C:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Papain ; ligands: ASN,GLY,SER ; X-RAY DIFFRACTION 2.56Å

e3i06A1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRUZIPAIN ; ligands: QL2 ; X-RAY DIFFRACTION 1.1Å

e3kkuA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CRUZIPAIN ; ligands: B95,EDO,Z22 ; X-RAY DIFFRACTION 1.28Å

e3lxsA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cruzain ; ligands: 4MC,EDO,SO4 ; X-RAY DIFFRACTION 1.50Å

e3lxsC1[C:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cruzain ; ligands: 4MC,EDO,SO4 ; X-RAY DIFFRACTION 1.50Å

e3n3gA1[A:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN S ; ligands: 935,93N,DMS,PEG ; X-RAY DIFFRACTION 1.6Å

e3n3gB1[B:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN S ; ligands: 935,GOL,SO4 ; X-RAY DIFFRACTION 1.6Å

e3kw9A1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: ORG,TFA ; X-RAY DIFFRACTION 1.800Å

e3kwzA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: KWZ,SO4 ; X-RAY DIFFRACTION 1.49Å

e3kx1A1[A:3-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: KX1,SO4 ; X-RAY DIFFRACTION 1.51Å

e3kwbX1[X:1001-1215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN K ; ligands: ORH ; X-RAY DIFFRACTION 2.02Å

e3o1gA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: O75,SO4 ; X-RAY DIFFRACTION 1.65Å

e3kwbY1[Y:2006-2215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN K ; ligands: ORH ; X-RAY DIFFRACTION 2.02Å

e3hd3A1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cruzipain ; ligands: 25B,EDO,EOH,PEG,SO4 ; X-RAY DIFFRACTION 1.75Å

e3hd3B1[B:1-214] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cruzipain ; ligands: 25B,EDO,PEG ; X-RAY DIFFRACTION 1.75Å

e3h7dE1[E:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: CA,E64 ; X-RAY DIFFRACTION 2.25Å

e3hhaA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: ACT,NOW,PG4 ; X-RAY DIFFRACTION 1.27Å

e3hhaB1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: NOW,PGE ; X-RAY DIFFRACTION 1.27Å

e3hhaC1[C:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: NOW ; X-RAY DIFFRACTION 1.27Å

e3hhaD1[D:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: GOL,NOW ; X-RAY DIFFRACTION 1.27Å

e3hwnB1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: BD3 ; X-RAY DIFFRACTION 2.33Å

e3hwnC1[C:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: BD3 ; X-RAY DIFFRACTION 2.33Å

e3hwnD1[D:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: BD3 ; X-RAY DIFFRACTION 2.33Å

e3h6sB1[B:1-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.220Å

e3h6sC1[C:1-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.220Å

e3h6sD1[D:1-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.220Å

e3h89A1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSX ; X-RAY DIFFRACTION 2.5Å

e3h89B1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSX ; X-RAY DIFFRACTION 2.5Å

e3h89C1[C:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSX ; X-RAY DIFFRACTION 2.5Å

e3h89D1[D:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSX ; X-RAY DIFFRACTION 2.5Å

e3h89E1[E:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSX ; X-RAY DIFFRACTION 2.5Å

e3h89F1[F:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSX ; X-RAY DIFFRACTION 2.5Å

e3h8bA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSY ; X-RAY DIFFRACTION 1.8Å

e3h8bB1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSY ; X-RAY DIFFRACTION 1.8Å

e3h8bC1[C:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSY ; X-RAY DIFFRACTION 1.8Å

e3h8bD1[D:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSY ; X-RAY DIFFRACTION 1.8Å

e3h8bE1[E:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSY ; X-RAY DIFFRACTION 1.8Å

e3h8bF1[F:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: NSY ; X-RAY DIFFRACTION 1.8Å

e3h8cA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: NSZ ; X-RAY DIFFRACTION 2.5Å

e3h8cB1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: NSZ ; X-RAY DIFFRACTION 2.5Å

e3iv2A1[A:2-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: GOL,NAG,SO4 ; X-RAY DIFFRACTION 2.20Å

e3iv2B1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: GOL,NA,SO4 ; X-RAY DIFFRACTION 2.20Å

e3k24A1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: NAG ; X-RAY DIFFRACTION 2.50Å

e3k24B1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: NAG ; X-RAY DIFFRACTION 2.50Å

e3ovxA1[A:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: DMS,O64 ; X-RAY DIFFRACTION 1.49Å

e3ovxB1[B:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: O64 ; X-RAY DIFFRACTION 1.49Å

e3n4cA1[A:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN S ; ligands: DMS,EF3 ; X-RAY DIFFRACTION 1.9Å

e3n4cB1[B:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN S ; ligands: DMS,EF3,SO4 ; X-RAY DIFFRACTION 1.9Å

e3kfqA1[A:1-221] Image Pymol Jmol Links: PDB, SCOP, CATH

Cathepsin L2 ; X-RAY DIFFRACTION 1.990Å

e3kfqB1[B:1-221] Image Pymol Jmol Links: PDB, SCOP, CATH

Cathepsin L2 ; X-RAY DIFFRACTION 1.990Å

e3ovzA1[A:3-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: O96,SO4 ; X-RAY DIFFRACTION 2.020Å

e3o0uA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: O47 ; X-RAY DIFFRACTION 1.80Å

e3p5vA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ACTINIDIN ; ligands: CD ; X-RAY DIFFRACTION 1.9Å

e3p5wA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ACTINIDIN ; ligands: CD ; X-RAY DIFFRACTION 2.2Å

e3p5xA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ACTINIDIN ; ligands: CD ; X-RAY DIFFRACTION 2.2Å

e3s3qA1[A:70-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN B-LIKE PEPTIDASE (C01 FAMILY) ; ligands: ACT,C1P ; X-RAY DIFFRACTION 1.8Å

e3s3rA1[A:70-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN B-LIKE PEPTIDASE (C01 FAMILY) ; ligands: 0IW ; X-RAY DIFFRACTION 2.64Å

e3s3rB1[B:70-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN B-LIKE PEPTIDASE (C01 FAMILY) ; ligands: 0IW ; X-RAY DIFFRACTION 2.64Å

e3s3rC1[C:71-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN B-LIKE PEPTIDASE (C01 FAMILY) ; ligands: 0IW ; X-RAY DIFFRACTION 2.64Å

e3kseA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN L1 ; X-RAY DIFFRACTION 1.71Å

e3kseB1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN L1 ; X-RAY DIFFRACTION 1.71Å

e3kseC1[C:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN L1 ; X-RAY DIFFRACTION 1.71Å

e2xu1A1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: 424 ; X-RAY DIFFRACTION 1.45Å

e2xu1B1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: 424 ; X-RAY DIFFRACTION 1.45Å

e2xu1C1[C:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: 424 ; X-RAY DIFFRACTION 1.45Å

e2xu1D1[D:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: 424 ; X-RAY DIFFRACTION 1.45Å

e3of8A1[A:1-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: I0Y ; X-RAY DIFFRACTION 2.200Å

e3of9A1[A:1-221] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L1 ; ligands: I0X ; X-RAY DIFFRACTION 1.7Å

e2xu3A1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: BTB,CL,XU3 ; X-RAY DIFFRACTION 0.9Å

e2xu4A1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: DJT,GOL ; X-RAY DIFFRACTION 1.12Å

e2xu5A1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: FLC,GOL,XU5 ; X-RAY DIFFRACTION 1.6Å

e2yj8A1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: GOL,YJ8 ; X-RAY DIFFRACTION 1.3Å

e2yj9A1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: GOL,YJ9 ; X-RAY DIFFRACTION 1.35Å

e2yjbA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: GOL,YJ9 ; X-RAY DIFFRACTION 1.4Å

e2yjcA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: 424 ; X-RAY DIFFRACTION 1.14Å

e4dmyB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: 0LC,GOL,SO4 ; X-RAY DIFFRACTION 1.63Å

e4dmyA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: 0LC,GOL,SO4 ; X-RAY DIFFRACTION 1.63Å

e3rvxA1[A:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: CA,EDO

e4axmL1[L:1-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: GOL,V65 ; X-RAY DIFFRACTION 2.8Å

e4axmO1[O:1-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: GOL,V65 ; X-RAY DIFFRACTION 2.8Å

e4axmA1[A:1-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: GOL,V65 ; X-RAY DIFFRACTION 2.8Å

e4axmI1[I:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: GOL,V65 ; X-RAY DIFFRACTION 2.8Å

e4axmF1[F:1-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: GOL,V65 ; X-RAY DIFFRACTION 2.8Å

e4axmB1[B:1-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN L1 ; ligands: GOL,V65 ; X-RAY DIFFRACTION 2.8Å

e4klbA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cruzipain ; ligands: 1RV ; X-RAY DIFFRACTION 2.62Å

e4klbB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cruzipain ; ligands: 1RV ; X-RAY DIFFRACTION 2.62Å

e4klbC1[C:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cruzipain ; ligands: 1RV ; X-RAY DIFFRACTION 2.62Å

e4klbD1[D:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cruzipain ; X-RAY DIFFRACTION 2.62Å

e4klbE1[E:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cruzipain ; ligands: 1RV ; X-RAY DIFFRACTION 2.62Å

e4bs5A1[A:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN S ; ligands: MG2 ; X-RAY DIFFRACTION 1.25Å

e4bsqA1[A:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN S ; ligands: QQV,SO4 ; X-RAY DIFFRACTION 1.96Å

e4legA1[A:-7-215] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: 1XF,ACT,GOL,SO4

e4i05A1[A:47-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin B-like peptidase (C01 family) ; ligands: NA ; X-RAY DIFFRACTION 1.9Å

e2fq9A2[A:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH

cathepsin S ; ligands: CRJ ; X-RAY DIFFRACTION 1.65Å

e2fudA2[A:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: CRL ; X-RAY DIFFRACTION 1.95Å

e2fraB2[B:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH

cathepsin S ; ligands: CRV ; X-RAY DIFFRACTION 1.900Å

e2hxzB2[B:0-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN S ; ligands: H7J ; X-RAY DIFFRACTION 1.9Å

e2h7jA2[A:0-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN S ; ligands: H7J,P15 ; X-RAY DIFFRACTION 1.5Å

e2f1gA2[A:-2-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN S ; ligands: GNF ; X-RAY DIFFRACTION 1.9Å

e2hhnA2[A:-2-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: SO4 ; X-RAY DIFFRACTION 1.55Å

e1s4vA2[A:1-224] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE ENDOPEPTIDASE ; ligands: SO4 ; X-RAY DIFFRACTION 2.0Å

e1s4vB2[B:1-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE ENDOPEPTIDASE ; X-RAY DIFFRACTION 2.0Å

e2ft2B2[B:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH

cathepsin S ; ligands: C28 ; X-RAY DIFFRACTION 1.700Å

e2frqA2[A:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH

cathepsin S ; ligands: C71 ; X-RAY DIFFRACTION 1.600Å

e2g7yB2[B:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH

Cathepsin S ; ligands: MO9 ; X-RAY DIFFRACTION 2.000Å

e2r6nA2[A:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: CKE ; X-RAY DIFFRACTION 1.95Å

e1u9xA2[A:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: IHJ ; X-RAY DIFFRACTION 2.1Å

e1u9wA2[A:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; ligands: IHI ; X-RAY DIFFRACTION 2.3Å

e4i07A1[A:71-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin B-like peptidase (C01 family) ; ligands: ACT,CL ; X-RAY DIFFRACTION 1.3Å

e4kp9A1[A:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: ACT,BU1,CL,SO4,YXX,YXZ

e4kp9B1[B:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: ACT,NA,SO4,YXX,YXZ

e2fo5B1[B:3-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cysteine proteinase EP-B 2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.15Å

e2fo5C1[C:3-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cysteine proteinase EP-B 2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.15Å

e2fo5D1[D:3-226] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cysteine proteinase EP-B 2 ; ligands: SO4 ; X-RAY DIFFRACTION 2.15Å

e3bpfD1[D:2-241] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CYSTEINE PROTEASE FALCIPAIN-2 ; ligands: E64 ; X-RAY DIFFRACTION 2.9Å

e3iejB1[B:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 599 ; X-RAY DIFFRACTION 2.15Å

e3kwnA1[A:1-219] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: 23Z

e3kwnB1[B:1-219] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: 23Z

e3mpeA1[A:0-217] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: N2A

e3mpeB1[B:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: N2A

e3mpfA1[A:1-219] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: N2D

e3mpfB1[B:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: N2D

e4bpvA1[A:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: OFH ; X-RAY DIFFRACTION 2.0Å

e4bpvB1[B:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: OFH ; X-RAY DIFFRACTION 2.0Å

e4bpvC1[C:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: OFH ; X-RAY DIFFRACTION 2.0Å

e4bpvD1[D:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: OFH ; X-RAY DIFFRACTION 2.0Å

e4bpvE1[E:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: OFH ; X-RAY DIFFRACTION 2.0Å

e4bqvA1[A:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: 8PW ; X-RAY DIFFRACTION 1.7Å

e4bqvB1[B:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: 8PW ; X-RAY DIFFRACTION 1.7Å

e4bqvC1[C:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: 8PW ; X-RAY DIFFRACTION 1.7Å

e4bqvD1[D:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: 8PW ; X-RAY DIFFRACTION 1.7Å

e4bqvE1[E:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: 8PW ; X-RAY DIFFRACTION 1.7Å

e4bqvF1[F:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: 8PW ; X-RAY DIFFRACTION 1.7Å

e4bqvG1[G:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: 8PW ; X-RAY DIFFRACTION 1.7Å

e4bqvH1[H:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: 8PW ; X-RAY DIFFRACTION 1.7Å

e4bs6A1[A:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: GOL,JG7 ; X-RAY DIFFRACTION 1.2Å

e4bs6B1[B:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH

CATHEPSIN S ; ligands: JG7 ; X-RAY DIFFRACTION 1.2Å

e4mzsA1[A:123-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2EV ; X-RAY DIFFRACTION 1.85Å

e4mzsB1[B:123-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2EV ; X-RAY DIFFRACTION 1.85Å

e4mzoA1[A:123-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2EW ; X-RAY DIFFRACTION 1.47Å

e4mzoB1[B:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2EW ; X-RAY DIFFRACTION 1.47Å

e4mzoC1[C:123-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2EW ; X-RAY DIFFRACTION 1.47Å

e4mzoD1[D:123-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2EW ; X-RAY DIFFRACTION 1.47Å

e4mzoE1[E:123-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2EW ; X-RAY DIFFRACTION 1.47Å

e4mzoF1[F:122-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2EW ; X-RAY DIFFRACTION 1.47Å

e4mzoG1[G:123-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2EW ; X-RAY DIFFRACTION 1.47Å

e4mzoH1[H:123-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2EW ; X-RAY DIFFRACTION 1.47Å

e4p6eA1[A:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2FC,SO4 ; X-RAY DIFFRACTION 1.80Å

e4p6eB1[B:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2FC ; X-RAY DIFFRACTION 1.80Å

e4p6gA1[A:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2FZ ; X-RAY DIFFRACTION 1.58Å

e4p6gB1[B:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2FZ ; X-RAY DIFFRACTION 1.58Å

e4p6gD1[D:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2FZ ; X-RAY DIFFRACTION 1.58Å

e4p6gC1[C:1-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin S ; ligands: 2FZ ; X-RAY DIFFRACTION 1.58Å

e4pi4A1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: 2VC

e4pi4B1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: 2VC

e4pi4C1[C:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH Obsolete PDB

; ligands: 2VC,EDO

e4n79A1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; X-RAY DIFFRACTION 2.62Å

e4n8wA1[A:3-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin K ; X-RAY DIFFRACTION 2.02Å

e4pp1B1[B:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: CA,EDO,NAG,PO4

e4pp2E1[E:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: CA,NAG

e4pp2F1[F:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: CA,NAG

e4pp1A1[A:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH

; ligands: CA,EDO,NAG,PO4

e4w5cA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH

Cruzipain ; ligands: 3H5,3H6 ; X-RAY DIFFRACTION 3.270Å

e4w5cB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH

Cruzipain ; ligands: 3H7 ; X-RAY DIFFRACTION 3.270Å

e4w5cC1[C:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH

Cruzipain ; ligands: 3H5,3H7 ; X-RAY DIFFRACTION 3.270Å

Previous Next

e1xkgA3[A:82-306] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

Major mite fecal allergen Der p 1 ; ligands: GOL,SO4,YT3 ; X-RAY DIFFRACTION 1.61Å

e1deuA1[A:6P-242] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROCATHEPSIN X ; X-RAY DIFFRACTION 1.7Å

e1cs8A3[A:1-220] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HUMAN PROCATHEPSIN L ; X-RAY DIFFRACTION 1.8Å

e1gmyA1[A:0-253] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

CATHEPSIN B ; ligands: AEM,APD,DFA ; X-RAY DIFFRACTION 1.900Å

e3f75A1[A:2-224] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cathepsin L Protease ; ligands: CL ; X-RAY DIFFRACTION 1.99Å

e1k3b.1[B:207-370,C:371-439] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

DIPEPTYDIL-PEPTIDASE I HEAVY CHAIN & DIPEPTYDIL-PEPTIDASE I LIGHT CHAIN ; ligands: CL,NAG,SO4 ; X-RAY DIFFRACTION 2.15Å

e2oulA1[A:-16-224] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Falcipain 2 ; X-RAY DIFFRACTION 2.200Å

e5egwA2[A:131-386] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Cysteine protease ; X-RAY DIFFRACTION 2.70Å

e1pciA3[A:1-216] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROCARICAIN ; X-RAY DIFFRACTION 3.2Å

F: Unmapped domains

Pseudo group of domains that do not map to PFam family profiles. Domains inside should not be considered as in one family.

a+b duplicates or obligate multimersalpha and beta duplicates or monomers associated together to form a compact domain

a/b barrelsrepeating beta-alpha units form a barrel

a/b three-layered sandwichesrepeating beta-alpha units form a sandwich with a mainly parallel beta-sheet layer stacked between two alpha-helix layers

mixed a+b and a/balpha and beta domain consists of both a+b and a/b regions

few secondary structure elementsstabilized by cofactors or disulfides

extended segmentsextended, non-globular segments, frequently bind to other proteins to form complexes