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
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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
e4w5cD1[D:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cruzipain ; ligands: 3H7 ; X-RAY DIFFRACTION 3.270Å
e4w5cE1[E:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cruzipain ; X-RAY DIFFRACTION 3.270Å
e4qh6A1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cruzipain ; ligands: 33L ; X-RAY DIFFRACTION 3.13Å
e4qh6B1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cruzipain ; X-RAY DIFFRACTION 3.13Å
e4qh6C1[C:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cruzipain ; X-RAY DIFFRACTION 3.13Å
e4qh6D1[D:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cruzipain ; X-RAY DIFFRACTION 3.13Å
e4qh6E1[E:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cruzipain ; X-RAY DIFFRACTION 3.13Å
e4x6jA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: 3Y2,CL,GOL,K,PGO ; X-RAY DIFFRACTION 1.585Å
e4x6hA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: 3XT,I37,SO4 ; X-RAY DIFFRACTION 1.000Å
e4x6iA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: 3Y1,SO4 ; X-RAY DIFFRACTION 1.87Å
e5a24A1[A:2-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
DIONAIN-1 ; ligands: E64,PO4 ; X-RAY DIFFRACTION 1.50Å
e4yyqA1[A:1-216] Image Pymol Jmol Links: PDB, SCOP, CATH
Ficin isoform A ; X-RAY DIFFRACTION 1.594Å
e4yyqB1[B:1-216] Image Pymol Jmol Links: PDB, SCOP, CATH
Ficin isoform A ; X-RAY DIFFRACTION 1.594Å
e4yyrA1[A:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH
Ficin B ; ligands: SO4 ; X-RAY DIFFRACTION 1.349Å
e4yysA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Ficin isoform B ; ligands: PO4 ; X-RAY DIFFRACTION 1.350Å
e4yysB1[B:1-221] Image Pymol Jmol Links: PDB, SCOP, CATH
Ficin isoform B ; X-RAY DIFFRACTION 1.350Å
e4yyuA1[A:1-221] Image Pymol Jmol Links: PDB, SCOP, CATH
Ficin isoform C ; ligands: MES,SO4 ; X-RAY DIFFRACTION 1.177Å
e4yyvA1[A:1-221] Image Pymol Jmol Links: PDB, SCOP, CATH
Ficin isoform C ; ligands: 16P,SO4 ; X-RAY DIFFRACTION 1.902Å
e4yywA1[A:1-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Ficin isoform D ; ligands: SO4 ; X-RAY DIFFRACTION 1.446Å
e5j94A1[A:-7-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: 1XF,SO4 ; X-RAY DIFFRACTION 2.22Å
e4yv8A1[A:3-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: SO4 ; X-RAY DIFFRACTION 2.000Å
e4yvaA1[A:3-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: SO4 ; X-RAY DIFFRACTION 1.800Å
e5i4h.1[A:-1-105,B:109-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin L1 ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 1.419Å
e5ja7A1[A:-6-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: 6HM,SO4 ; X-RAY DIFFRACTION 1.61Å
e5ja7B1[B:-7-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: 6HM,ACT,GOL,SO4 ; X-RAY DIFFRACTION 1.61Å
e5jh3A1[A:2-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: ACT,CL,SO4 ; X-RAY DIFFRACTION 1.75Å
e5maeA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin L1 ; ligands: 7KN,EDO ; X-RAY DIFFRACTION 1.00Å
e5majA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin L1 ; ligands: 7KH,EDO ; X-RAY DIFFRACTION 1.00Å
e5tdiA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: 7AS ; X-RAY DIFFRACTION 1.4Å
e5mqyA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin L1 ; ligands: EDO,GH4 ; X-RAY DIFFRACTION 1.13Å
e5vcnA1[A:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PEPTIDASE 1 ; ligands: CA,EDO,NAG,PO4 ; X-RAY DIFFRACTION 3.000Å
e5vcnB1[B:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PEPTIDASE 1 ; ligands: CA,EDO,NAG,PO4 ; X-RAY DIFFRACTION 3.000Å
e5vcoE1[E:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PEPTIDASE 1 ; ligands: CA,NAG ; X-RAY DIFFRACTION 2.740Å
e5vcoF1[F:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PEPTIDASE 1 ; ligands: CA,NAG ; X-RAY DIFFRACTION 2.740Å
e5vpkA1[A:1-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Der f 1 variant ; ligands: NAG,SO4 ; X-RAY DIFFRACTION 2.000Å
e5vpkB1[B:1-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Der f 1 variant ; ligands: NAG,SO4 ; X-RAY DIFFRACTION 2.000Å
e5vpkC1[C:1-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Der f 1 variant ; X-RAY DIFFRACTION 2.000Å
e5vplA1[A:1-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Der f 1 variant ; ligands: CA,EDO,NAG ; X-RAY DIFFRACTION 1.900Å
e5vpgA1[A:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Der p 1 allergen ; ligands: CA,EDO,NAG ; X-RAY DIFFRACTION 1.950Å
e5vphA1[A:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Der p 1 allergen ; ligands: CA,EDO ; X-RAY DIFFRACTION 2.500Å
e4n4zA1[A:26-339] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine peptidase C (CPC) ; X-RAY DIFFRACTION 3.3Å
e4hwyA1[A:27-340] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine peptidase C (CPC) ; X-RAY DIFFRACTION 2.1Å
e5fpwA1[A:8-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PRO CATHEPSIN B S9 ; X-RAY DIFFRACTION 2.10Å
e5fpwB1[B:1008-1315] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PRO CATHEPSIN B S9 ; X-RAY DIFFRACTION 2.10Å
e5fpwC1[C:2008-2315] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
PRO CATHEPSIN B S9 ; X-RAY DIFFRACTION 2.10Å
e6exoA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine protease ; ligands: C3E,EDO ; X-RAY DIFFRACTION 1.90Å
e6exoB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine protease ; ligands: C3E,EDO ; X-RAY DIFFRACTION 1.90Å
e6exqA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine protease ; ligands: C2W,EDO ; X-RAY DIFFRACTION 2.50Å
e6exqB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine protease ; ligands: C2W,EDO ; X-RAY DIFFRACTION 2.50Å
e6ezxA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin L1 ; ligands: C7Q ; X-RAY DIFFRACTION 2.34Å
e6ezxB1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin L1 ; ligands: C7Q ; X-RAY DIFFRACTION 2.34Å
e6f06A1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin L1 ; ligands: C7T,CL,ZN ; X-RAY DIFFRACTION 2.02Å
e6f06B1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin L1 ; ligands: C7T,CL,ZN ; X-RAY DIFFRACTION 2.02Å
e6ex8B1[B:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine protease ; ligands: C2K,EDO ; X-RAY DIFFRACTION 1.60Å
e5qcdA1[A:0-222] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BHJ,SO4 ; X-RAY DIFFRACTION 1.951Å
e5mbmA1[A:-1-254] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin B ; X-RAY DIFFRACTION 2.76Å
e6ay2A1[A:0-254] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin B ; ligands: C1G ; X-RAY DIFFRACTION 1.600Å
e5qbuA1[A:1-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: B8J ; X-RAY DIFFRACTION 2.780Å
e5qbwA1[A:1-218] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: B8S ; X-RAY DIFFRACTION 3.010Å
e5qbzA1[A:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: B8Y ; X-RAY DIFFRACTION 2.8000Å
e5qc2A1[A:1-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BQP ; X-RAY DIFFRACTION 2.260Å
e5qc2B1[B:1-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BQP ; X-RAY DIFFRACTION 2.260Å
e5qcgA1[A:1-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJJ,SO4 ; X-RAY DIFFRACTION 2.695Å
e5qbuB1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: B8J ; X-RAY DIFFRACTION 2.780Å
e5qc0B1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BQJ ; X-RAY DIFFRACTION 1.900Å
e5qc5B1[B:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BAJ ; X-RAY DIFFRACTION 2.400Å
e5qcfA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJD,GOL,SO4 ; X-RAY DIFFRACTION 2.1000Å
e5qbvA1[A:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: N2D ; X-RAY DIFFRACTION 1.800Å
e5qbvB1[B:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: N2D ; X-RAY DIFFRACTION 1.800Å
e5qbxA1[A:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: B8V ; X-RAY DIFFRACTION 2.100Å
e5qbxB1[B:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: B8V ; X-RAY DIFFRACTION 2.100Å
e5qbyA1[A:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: N2A ; X-RAY DIFFRACTION 2.250Å
e5qbyB1[B:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: N2A ; X-RAY DIFFRACTION 2.250Å
e5qc0A1[A:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BQJ ; X-RAY DIFFRACTION 1.900Å
e5qc1A1[A:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: B9S ; X-RAY DIFFRACTION 2.0820Å
e5qc1B1[B:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: B9S ; X-RAY DIFFRACTION 2.0820Å
e5qc3A1[A:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: B9Y ; X-RAY DIFFRACTION 1.9980Å
e5qc3B1[B:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: B9Y ; X-RAY DIFFRACTION 1.9980Å
e5qc4A1[A:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: BC7 ; X-RAY DIFFRACTION 2.100Å
e5qc4B1[B:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: BC7 ; X-RAY DIFFRACTION 2.100Å
e5qc5A1[A:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BAJ ; X-RAY DIFFRACTION 2.400Å
e5qc6A1[A:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BCJ ; X-RAY DIFFRACTION 2.100Å
e5qc6B1[B:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BCJ ; X-RAY DIFFRACTION 2.100Å
e5qc7A1[A:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BQS,EOH ; X-RAY DIFFRACTION 1.900Å
e5qc7B1[B:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BQS,DMS,EOH ; X-RAY DIFFRACTION 1.900Å
e5qc8A1[A:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BFV ; X-RAY DIFFRACTION 1.740Å
e5qc8B1[B:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BFV ; X-RAY DIFFRACTION 1.740Å
e5qc9A1[A:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BG7 ; X-RAY DIFFRACTION 1.999Å
e5qc9B1[B:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BG7 ; X-RAY DIFFRACTION 1.999Å
e5qcaA1[A:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BGJ,SO4 ; X-RAY DIFFRACTION 2.290Å
e5qcaB1[B:0-217] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BGJ,SO4 ; X-RAY DIFFRACTION 2.290Å
e5qcbA1[A:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BHV ; X-RAY DIFFRACTION 2.198Å
e5qcbB1[B:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BHV ; X-RAY DIFFRACTION 2.198Å
e5qccA1[A:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BGY ; X-RAY DIFFRACTION 1.797Å
e5qccB1[B:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BGY ; X-RAY DIFFRACTION 1.797Å
e5qceA1[A:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJD ; X-RAY DIFFRACTION 2.780Å
e5qceB1[B:1-221] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJD ; X-RAY DIFFRACTION 2.780Å
e5qcgB1[B:0-222] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJJ,SO4 ; X-RAY DIFFRACTION 2.695Å
e5qchA1[A:0-222] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJS,SO4 ; X-RAY DIFFRACTION 2.200Å
e5qchB1[B:0-222] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJS,GOL,SO4 ; X-RAY DIFFRACTION 2.200Å
e5qchC1[C:0-222] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJS,SO4 ; X-RAY DIFFRACTION 2.200Å
e5qchD1[D:1-222] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJS,GOL,SO4 ; X-RAY DIFFRACTION 2.200Å
e5qciA1[A:0-222] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJV,GOL,SO4 ; X-RAY DIFFRACTION 2.1790Å
e5qcjA1[A:0-220] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJY,SO4 ; X-RAY DIFFRACTION 2.0000Å
e5qcjB1[B:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJY,SO4 ; X-RAY DIFFRACTION 2.0000Å
e5qcjC1[C:0-218] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin S ; ligands: BJY,SO4 ; X-RAY DIFFRACTION 2.0000Å
e6ay2B1[B:1-254] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin B ; ligands: C1G ; X-RAY DIFFRACTION 1.600Å
e5mblA1[A:1-255] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin B ; X-RAY DIFFRACTION 1.81Å
e5mbmB1[B:0-254] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin B ; X-RAY DIFFRACTION 2.76Å
e6ex8A1[A:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine protease ; ligands: C2K,EDO ; X-RAY DIFFRACTION 1.60Å
e6ezpA1[A:1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin L1 ; ligands: C3E,GOL ; X-RAY DIFFRACTION 1.37Å
e6mirA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH
e6h8tA1[A:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Papain ; ligands: ACT,CL,SO4,YXX,YXZ ; X-RAY DIFFRACTION 2.1Å
e6czkA1[A:94-313] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Pro-cathepsin H ; ligands: BMA,GOL,NAG,SO4 ; X-RAY DIFFRACTION 2.00Å
e5z5oA2[A:100-314] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: CL,EDO,GOL,NA,PEG ; X-RAY DIFFRACTION 1.92Å
e6ashA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: 1XF ; X-RAY DIFFRACTION 1.42Å
e6h8tJ1[J:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Papain ; ligands: ACT,NA,SO4,YXX,YXZ ; X-RAY DIFFRACTION 2.1Å
e6mirB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH
e6misA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; ligands: E64 ; X-RAY DIFFRACTION 1.98Å
e6misB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; ligands: E64 ; X-RAY DIFFRACTION 1.98Å
e6czsA2[A:116-335] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Pro-cathepsin H ; ligands: BMA,CL,NAG,SO4,TRE ; X-RAY DIFFRACTION 1.66Å
e6bkiA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: SO4 ; X-RAY DIFFRACTION 2.94Å
e6bkiB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: SO4 ; X-RAY DIFFRACTION 2.94Å
e5ogqA1[A:70-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin B-like peptidase (C01 family) ; ligands: 9U8 ; X-RAY DIFFRACTION 1.910Å
e5ogqB1[B:70-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin B-like peptidase (C01 family) ; ligands: 9U8,ACT ; X-RAY DIFFRACTION 1.910Å
e5ogqC1[C:70-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin B-like peptidase (C01 family) ; ligands: 9U8 ; X-RAY DIFFRACTION 1.910Å
e5ogrA1[A:70-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin B-like peptidase (C01 family) ; ligands: ACT,VS4 ; X-RAY DIFFRACTION 1.550Å
e5ogrB1[B:70-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin B-like peptidase (C01 family) ; ligands: ACT,VS4 ; X-RAY DIFFRACTION 1.550Å
e5ogrC1[C:70-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin B-like peptidase (C01 family) ; ligands: ACT,VS4 ; X-RAY DIFFRACTION 1.550Å
e6qbsA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: CA,CL,HVW ; X-RAY DIFFRACTION 1.7Å
e6qbsB1[B:216-430] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: CA,CL,HVW ; X-RAY DIFFRACTION 1.7Å
e6ic5B1[B:206-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,HB5,NAG ; X-RAY DIFFRACTION 2.0Å
e6ic5C1[C:372-439] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,HB5,NAG ; X-RAY DIFFRACTION 2.0Å
e6okjA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; X-RAY DIFFRACTION 1.73Å
e6ic6B1[B:206-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,H9B,NAG ; X-RAY DIFFRACTION 1.898Å
e6ic7B1[B:206-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,H9H,NAG ; X-RAY DIFFRACTION 2.0Å
e6ic6C1[C:372-439] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,H9B,NAG ; X-RAY DIFFRACTION 1.898Å
e6ic7C1[C:372-439] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,H9H,NAG ; X-RAY DIFFRACTION 2.0Å
e6okjB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; X-RAY DIFFRACTION 1.73Å
e6n3sA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cruzipain ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 1.19Å
e6n3sB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cruzipain ; ligands: EDO ; X-RAY DIFFRACTION 1.19Å
e6o2xA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cruzipain ; ligands: EDO,PO4 ; X-RAY DIFFRACTION 1.19Å
e6o2xB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cruzipain ; ligands: EDO ; X-RAY DIFFRACTION 1.19Å
e6hgyA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin K ; ligands: G4B ; X-RAY DIFFRACTION 2.20Å
e6u7dA2[A:100-315] Image Pymol Jmol Links: PDB, SCOP, CATH
FBSB ; X-RAY DIFFRACTION 3.00Å
e6rn6B1[B:205-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,GOL,NAG ; X-RAY DIFFRACTION 2.4Å
e6rn6E1[E:206-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,K9Q ; X-RAY DIFFRACTION 2.4Å
e6rn7B1[B:206-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,DMS,GOL,K9W,NAG ; X-RAY DIFFRACTION 1.66Å
e6rn9B1[B:207-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: ACT,CL,DMS,K9Z,NAG ; X-RAY DIFFRACTION 1.9Å
e6rneB1[B:207-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: ACT,CL,DMS,KA8,NAG,PEG ; X-RAY DIFFRACTION 1.65Å
e6rniB1[B:205-367] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: ACT,CL,DMS,KAQ,NAG ; X-RAY DIFFRACTION 1.54Å
e6rn6C1[C:372-439] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,NAG ; X-RAY DIFFRACTION 2.4Å
e6rn6F1[F:372-439] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,K9Q ; X-RAY DIFFRACTION 2.4Å
e6rn7C1[C:372-439] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,DMS,K9W,NAG ; X-RAY DIFFRACTION 1.66Å
e6rn9C1[C:372-439] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,DMS,K9Z,NAG ; X-RAY DIFFRACTION 1.9Å
e6rneC1[C:372-439] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: ACT,CL,DMS,KA8,NAG ; X-RAY DIFFRACTION 1.65Å
e6rniC1[C:372-439] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Dipeptidyl peptidase 1 ; ligands: CL,DMS,KAQ,NAG ; X-RAY DIFFRACTION 1.54Å
e6sszA1[A:-17-223] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine proteinase falcipain 2a ; ligands: JV1 ; X-RAY DIFFRACTION 3.45Å
e6sszB1[B:-16-222] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine proteinase falcipain 2a ; ligands: JV1 ; X-RAY DIFFRACTION 3.45Å
e6tcxAAA1[AAA:1-212] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Papain ; ligands: EPE,N1W ; X-RAY DIFFRACTION 1.65Å
e6ql8A1[A:-1-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: J5N,NO3 ; X-RAY DIFFRACTION 1.800Å
e6qlmA1[A:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: GOL,HFH,NA ; X-RAY DIFFRACTION 1.500Å
e6qlmB1[B:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: HFH,MHA,NA ; X-RAY DIFFRACTION 1.500Å
e6qlwA1[A:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: CL,J5T,NA ; X-RAY DIFFRACTION 2.000Å
e6qlwB1[B:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: CL,J5T ; X-RAY DIFFRACTION 2.000Å
e6qlwC1[C:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: CL,J5T,NA ; X-RAY DIFFRACTION 2.000Å
e6qlwD1[D:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: CL,J5T ; X-RAY DIFFRACTION 2.000Å
e6qlxA1[A:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: HKH ; X-RAY DIFFRACTION 2.100Å
e6qm0A1[A:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: J6B,MHA ; X-RAY DIFFRACTION 1.900Å
e6qm0B1[B:0-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: J6B ; X-RAY DIFFRACTION 1.900Å
e6rowG1[G:9-137,G:159-253] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine Protease ; ELECTRON MICROSCOPY
e6p4eA1[A:2-217] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine proteinase B ; ligands: ACT,GES,MPD,NA ; X-RAY DIFFRACTION 1.35Å
e6p4eB1[B:1-217] Image Pymol Jmol Links: PDB, SCOP, CATH
Cysteine proteinase B ; ligands: ACT,GES,MPD,NA,TRS ; X-RAY DIFFRACTION 1.35Å
e6pxfA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cathepsin K ; ligands: J0V ; X-RAY DIFFRACTION 1.85Å
e6x42X1[X:563-827] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Serine repeat antigen 5 ; ligands: CA,CL,EDO,I3C ; X-RAY DIFFRACTION 1.2Å
e6zq3A1[A:3-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Silicatein alpha ; X-RAY DIFFRACTION 2.4Å
e6ux6A1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH
Cruzipain ; ligands: GOL,TM8 ; X-RAY DIFFRACTION 1.94Å
e7avmA2[A:123-326] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cysteine protease ; ligands: GOL ; X-RAY DIFFRACTION 2.8Å
e6y6lA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 1.300Å
e6y6lB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 1.300Å
e6ycbA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; ligands: GOL,SO4,TLA ; X-RAY DIFFRACTION 1.250Å
e6ycbB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; ligands: GOL,SO4,TLA ; X-RAY DIFFRACTION 1.250Å
e6yccA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; ligands: E64,GOL,SO4 ; X-RAY DIFFRACTION 1.300Å
e6yccB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; ligands: E64,GOL,SO4 ; X-RAY DIFFRACTION 1.300Å
e6ycdA1[A:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; ligands: SO4,TCK ; X-RAY DIFFRACTION 1.344Å
e6ycdB1[B:1-215] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Ananain ; ligands: GOL,SO4,TCK ; X-RAY DIFFRACTION 1.344Å
e6yceA1[A:2-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FBSB ; X-RAY DIFFRACTION 1.790Å
e6yceB1[B:2-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FBSB ; ligands: IPA,NAG ; X-RAY DIFFRACTION 1.790Å
e6ycfA1[A:2-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FBSB ; ligands: CIT,E64,NAG ; X-RAY DIFFRACTION 1.830Å
e6ycfB1[B:2-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FBSB ; ligands: E64,IPA,NAG ; X-RAY DIFFRACTION 1.830Å
e6ycgA1[A:2-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FBSB ; ligands: CIT,IPA ; X-RAY DIFFRACTION 1.440Å
e6ycgB1[B:2-216] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
FBSB ; ligands: TCK ; X-RAY DIFFRACTION 1.440Å
e6yi7A1[A:70-323] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin B-like peptidase (C01 family) ; ligands: ACT,ORW ; X-RAY DIFFRACTION 1.290Å
e6yynBBB1[BBB:-1-220] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: Q1E,SO4 ; X-RAY DIFFRACTION 2.22Å
e6yyrAAA1[AAA:-1-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: EDO,FLC,Q1N,SO4 ; X-RAY DIFFRACTION 1.30Å
e6yyrBBB1[BBB:-1-218] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: EDO,FLC,Q1N,SO4 ; X-RAY DIFFRACTION 1.30Å
e6yynAAA1[AAA:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: FLC,Q1E ; X-RAY DIFFRACTION 2.22Å
e6yyoAAA1[AAA:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: DMS,EDO,Q1K,SO4 ; X-RAY DIFFRACTION 1.50Å
e6yyoBBB1[BBB:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: EDO,FLC,Q1K,SO4 ; X-RAY DIFFRACTION 1.50Å
e6yypAAA1[AAA:0-219] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Cathepsin S ; ligands: ACT,Q1H ; X-RAY DIFFRACTION 2.05Å
Previous Nexte1xkgA3[A:82-306]
nonrep
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Major mite fecal allergen Der p 1 ; ligands: GOL,SO4,YT3 ; X-RAY DIFFRACTION 1.61Å
e1deuA1[A:6P-242]
nonrep
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PROCATHEPSIN X ; X-RAY DIFFRACTION 1.7Å
e1cs8A3[A:1-220]
nonrep
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HUMAN PROCATHEPSIN L ; X-RAY DIFFRACTION 1.8Å
e1gmyA1[A:0-253]
nonrep
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CATHEPSIN B ; ligands: AEM,APD,DFA ; X-RAY DIFFRACTION 1.900Å
e3f75A1[A:2-224]
nonrep
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Cathepsin L Protease ; ligands: CL ; X-RAY DIFFRACTION 1.99Å
e1k3b.1[B:207-370,C:371-439]
nonrep
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DIPEPTYDIL-PEPTIDASE I HEAVY CHAIN & DIPEPTYDIL-PEPTIDASE I LIGHT CHAIN ; ligands: CL,NAG,SO4 ; X-RAY DIFFRACTION 2.15Å
e2oulA1[A:-16-224]
nonrep
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Falcipain 2 ; X-RAY DIFFRACTION 2.200Å
![](/ecod/img/p.gif)
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