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
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




Representatives:
e1qtn.1[A:223-374,B:390-479]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
CASPASE-8 ; ligands: DTD ; X-RAY DIFFRACTION 1.2Å
e1nme.1[A:29-174,B:186-277]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
CASPASE-3 ; ligands: 158,159 ; X-RAY DIFFRACTION 1.6Å
e8dgzA1[A:57-186,A:212-302] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: 8YJ ; X-RAY DIFFRACTION 2.800Å
e8dj3A1[A:57-187,A:212-302] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ligands: SE1 ; X-RAY DIFFRACTION 3.200Å
e8spbA1[A:105-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8spba1[a:105-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8spbB1[B:290-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e8spbb1[b:290-377] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
; ELECTRON MICROSCOPY
e1rhm.1[A:150-295,B:320-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASP-3 ; ligands: NA4 ; X-RAY DIFFRACTION 2.5Å
e1i3o.1[C:148-297,D:310-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE 3 ; X-RAY DIFFRACTION 2.7Å
e1nmqB1[B:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; ligands: 160 ; X-RAY DIFFRACTION 2.4Å
e1rhr.1[A:150-295,B:320-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: CNE ; X-RAY DIFFRACTION 3Å
e3dekB1[B:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; X-RAY DIFFRACTION 2.400Å
e1kmcA1[A:150-402] Image Pymol Jmol Links: PDB, SCOP, CATH
Caspase-7 ; X-RAY DIFFRACTION 2.9Å
e1pau.1[A:150-295,B:320-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
APOPAIN ; X-RAY DIFFRACTION 2.50Å
e1rhm.2[C:650-795,D:820-901] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASP-3 ; ligands: NA4 ; X-RAY DIFFRACTION 2.5Å
e1shlA1[A:57-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-7 ; ligands: FXN ; X-RAY DIFFRACTION 3.0Å
e1i4oA1[A:55-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
CASPASE-7 ; X-RAY DIFFRACTION 2.4Å
e1gqfA1[A:145-402] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-7 ; ligands: SO4 ; X-RAY DIFFRACTION 2.900Å
e1rhj.1[A:150-295,B:320-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: PZN ; X-RAY DIFFRACTION 2.20Å
e1nmsA1[A:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; ligands: 161 ; X-RAY DIFFRACTION 1.7Å
e1nmsB1[B:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; ligands: 161 ; X-RAY DIFFRACTION 1.7Å
e3dekD1[D:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; X-RAY DIFFRACTION 2.400Å
e1rhq.1[A:150-295,B:320-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: 0ZZ ; X-RAY DIFFRACTION 2.999Å
e1qx3A1[A:35-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Apopain ; X-RAY DIFFRACTION 1.9Å
e3dekA1[A:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: RXD ; X-RAY DIFFRACTION 2.400Å
e1shjA1[A:57-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-7 ; ligands: NXN,SO4 ; X-RAY DIFFRACTION 2.8Å
e1rhj.2[C:650-795,D:820-901] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: PZN ; X-RAY DIFFRACTION 2.20Å
e1rhq.2[D:150-295,E:320-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: 0ZZ ; X-RAY DIFFRACTION 2.999Å
e3dejD1[D:34-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; X-RAY DIFFRACTION 2.600Å
e3dehD1[D:34-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; X-RAY DIFFRACTION 2.500Å
e1k86A1[A:57-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
caspase-7 ; X-RAY DIFFRACTION 2.6Å
e1rhu.1[A:150-295,B:320-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: 3CY ; X-RAY DIFFRACTION 2.513Å
e1k88A1[A:56-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
procaspase-7 ; X-RAY DIFFRACTION 2.7Å
e3dejA1[A:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: RXC ; X-RAY DIFFRACTION 2.600Å
e1gfw.1[A:29-173,B:185-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 (APOPAIN, P10) & CASPASE-3 (APOPAIN, P20) ; ligands: MSI ; X-RAY DIFFRACTION 2.8Å
e3deiD1[D:34-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; X-RAY DIFFRACTION 2.800Å
e3deiB1[B:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; X-RAY DIFFRACTION 2.800Å
e1i51.1[A:58-196,B:212-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-7 SUBUNIT P11 & CASPASE-7 SUBUNIT P20 ; X-RAY DIFFRACTION 2.45Å
e3dehC1[C:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: RXA ; X-RAY DIFFRACTION 2.500Å
e1shlB1[B:57-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-7 ; ligands: FXN ; X-RAY DIFFRACTION 3.0Å
e3dejC1[C:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: RXC ; X-RAY DIFFRACTION 2.600Å
e3deiA1[A:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: RXB ; X-RAY DIFFRACTION 2.800Å
e3dehA1[A:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: RXA ; X-RAY DIFFRACTION 2.500Å
e1i4oB1[B:58-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
CASPASE-7 ; X-RAY DIFFRACTION 2.4Å
e3deiC1[C:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: RXB ; X-RAY DIFFRACTION 2.800Å
e1rhk.1[A:150-295,B:320-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; X-RAY DIFFRACTION 2.5Å
e3dekC1[C:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: RXD ; X-RAY DIFFRACTION 2.400Å
e1i51.2[C:58-196,D:212-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-7 SUBUNIT P11 & CASPASE-7 SUBUNIT P20 ; X-RAY DIFFRACTION 2.45Å
e1f1jA1[A:58-302] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-7 PROTEASE ; ligands: SO4 ; X-RAY DIFFRACTION 2.35Å
e1f1jB1[B:357-602] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-7 PROTEASE ; ligands: SO4 ; X-RAY DIFFRACTION 2.35Å
e1k86B1[B:57-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
caspase-7 ; X-RAY DIFFRACTION 2.6Å
e3dejB1[B:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; X-RAY DIFFRACTION 2.600Å
e3dehB1[B:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; X-RAY DIFFRACTION 2.500Å
e1k88B1[B:56-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
procaspase-7 ; X-RAY DIFFRACTION 2.7Å
e1nmqA1[A:34-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; ligands: 160 ; X-RAY DIFFRACTION 2.4Å
e1i3o.2[A:148-296,B:310-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE 3 ; X-RAY DIFFRACTION 2.7Å
e1cp3B1[B:35-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
APOPAIN ; X-RAY DIFFRACTION 2.3Å
e1re1.1[A:150-295,B:320-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; ligands: NA3 ; X-RAY DIFFRACTION 2.5Å
e1kmcB1[B:149-401] Image Pymol Jmol Links: PDB, SCOP, CATH
Caspase-7 ; X-RAY DIFFRACTION 2.9Å
e1gqfB1[B:145-402] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-7 ; ligands: SO4 ; X-RAY DIFFRACTION 2.900Å
e1cp3A1[A:35-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
APOPAIN ; X-RAY DIFFRACTION 2.3Å
e1ice.1[A:131-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
INTERLEUKIN-1 BETA CONVERTING ENZYME ; X-RAY DIFFRACTION 2.6Å
e1ibc.1[A:131-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
INTERLEUKIN-1BETA CONVERTING ENZYME ; X-RAY DIFFRACTION
e1sc4.1[A:132-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Interleukin-1 beta convertase ; X-RAY DIFFRACTION 2.1Å
e1rwp.1[A:125-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
INTERLEUKIN-1 BETA CONVERTASE ; ligands: HQC ; X-RAY DIFFRACTION 2.2Å
e1bmq.1[A:131-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,
PROTEIN (INTERLEUKIN-1 BETA CONVERTASE) ; ligands: MNO ; X-RAY DIFFRACTION 2.5Å
e1rww.1[A:125-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
INTERLEUKIN-1 BETA CONVERTASE ; ligands: OQB ; X-RAY DIFFRACTION 2.8Å
e1rwn.1[A:125-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
INTERLEUKIN-1 BETA CONVERTASE ; ligands: 4QB ; X-RAY DIFFRACTION 2.0Å
e1rwk.1[A:125-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
INTERLEUKIN-1 BETA CONVERTASE ; ligands: 158 ; X-RAY DIFFRACTION 2.3Å
e1rwx.1[A:125-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
INTERLEUKIN-1 BETA CONVERTASE ; ligands: YBH ; X-RAY DIFFRACTION 1.85Å
e1sc1.1[A:131-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Interleukin-1 beta convertase ; ligands: CL ; X-RAY DIFFRACTION 2.6Å
e1rwm.1[A:125-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
INTERLEUKIN-1 BETA CONVERTASE ; ligands: Q2Y ; X-RAY DIFFRACTION 2.7Å
e1rwv.1[A:125-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH
INTERLEUKIN-1 BETA CONVERTASE ; ligands: 5PH ; X-RAY DIFFRACTION 2.1Å
e1rwo.1[A:125-297,B:317-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
INTERLEUKIN-1 BETA CONVERTASE ; ligands: BTH ; X-RAY DIFFRACTION 2.1Å
e1m72B1[B:41-295] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-1 ; ligands: EDO ; X-RAY DIFFRACTION 2.3Å
e1m72C1[C:40-295] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-1 ; ligands: EDO ; X-RAY DIFFRACTION 2.3Å
e1pyo.2[C:9-168,D:207-305] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-2 ; X-RAY DIFFRACTION 1.65Å
e1qdu.1[I:150-299,J:318-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA-CHAIN & CASPASE-8 BETA-CHAIN ; X-RAY DIFFRACTION 2.8Å
e1f9e.1[C:150-299,D:318-402] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA CHAIN & CASPASE-8 BETA CHAIN ; X-RAY DIFFRACTION 2.90Å
e1f9e.2[I:150-299,J:318-402] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA CHAIN & CASPASE-8 BETA CHAIN ; X-RAY DIFFRACTION 2.90Å
e1f9e.3[G:150-299,H:318-402] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA CHAIN & CASPASE-8 BETA CHAIN ; X-RAY DIFFRACTION 2.90Å
e1qdu.2[G:150-299,H:318-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA-CHAIN & CASPASE-8 BETA-CHAIN ; X-RAY DIFFRACTION 2.8Å
e1qdu.3[E:150-299,F:318-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA-CHAIN & CASPASE-8 BETA-CHAIN ; X-RAY DIFFRACTION 2.8Å
e1f9e.4[E:150-299,F:318-402] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA CHAIN & CASPASE-8 BETA CHAIN ; X-RAY DIFFRACTION 2.90Å
e1qdu.4[C:150-299,D:318-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA-CHAIN & CASPASE-8 BETA-CHAIN ; X-RAY DIFFRACTION 2.8Å
e1i4eB1[B:2223-2479] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ; X-RAY DIFFRACTION 3.0Å
e2funD1[D:3223-3477] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ; X-RAY DIFFRACTION 3.0Å
e1qdu.5[A:150-299,B:318-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA-CHAIN & CASPASE-8 BETA-CHAIN ; X-RAY DIFFRACTION 2.8Å
e1f9e.5[A:150-299,B:318-402] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA CHAIN & CASPASE-8 BETA CHAIN ; X-RAY DIFFRACTION 2.90Å
e1f9e.6[K:150-299,L:318-402] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA CHAIN & CASPASE-8 BETA CHAIN ; X-RAY DIFFRACTION 2.90Å
e2funB1[B:2223-2479] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ; X-RAY DIFFRACTION 3.0Å
e1qdu.6[K:150-299,L:318-401] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ALPHA-CHAIN & CASPASE-8 BETA-CHAIN ; X-RAY DIFFRACTION 2.8Å
e1jxqD1[D:148-287,D:319-403] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-9 ; X-RAY DIFFRACTION 2.8Å
e1jxqB1[B:148-287,B:319-403] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-9 ; X-RAY DIFFRACTION 2.8Å
e1jxqA1[A:140-296,A:321-403] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-9 ; X-RAY DIFFRACTION 2.8Å
e1jxqC1[C:140-296,C:321-403] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-9 ; X-RAY DIFFRACTION 2.8Å
e3h11B1[B:208-464] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-8 ; X-RAY DIFFRACTION 1.9Å
e3h11A1[A:237-362,A:395-480] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASP8 and FADD-like apoptosis regulator ; X-RAY DIFFRACTION 1.9Å
e3h0eA1[A:34-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; ligands: H0E ; X-RAY DIFFRACTION 2.0Å
e3nr2A1[A:31-165,A:190-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; X-RAY DIFFRACTION 2.9Å
e3sirA1[A:1-256] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase ; X-RAY DIFFRACTION 2.68Å
e3uo8B1[B:338-580] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mucosa-associated lymphoid tissue lymphoma translocation protein 1 ; X-RAY DIFFRACTION 1.900Å
e3v4lA1[A:344-588] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mucosa-associated lymphoid tissue lymphoma translocation protein 1 homolog ; X-RAY DIFFRACTION 3.15Å
e3v4oA1[A:336-569] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mucosa-associated lymphoid tissue lymphoma translocation protein 1 ; X-RAY DIFFRACTION 2.1Å
e3v55A1[A:337-580] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mucosa-associated lymphoid tissue lymphoma translocation protein 1 ; X-RAY DIFFRACTION 1.807Å
e4ehaA1[A:34-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-3 ; X-RAY DIFFRACTION 1.696Å
e4f6oA1[A:90-299,A:351-432] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Metacaspase-1 ; ligands: DFH ; X-RAY DIFFRACTION 1.68Å
e4fdlA1[A:52-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-7 ; X-RAY DIFFRACTION 2.8Å
e2ar9A1[A:140-287,A:335-416] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-9 ; ligands: MLT ; X-RAY DIFFRACTION 2.8Å
e2fp3A1[A:157-318,A:358-449] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase Nc ; X-RAY DIFFRACTION 2.5Å
e2j30A1[A:29-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; X-RAY DIFFRACTION 1.400Å
e2nn3C1[C:46-293] Image Pymol Jmol Links: PDB, SCOP, CATH
Caspase-1 ; X-RAY DIFFRACTION 3.00Å
e3bijA1[A:2-279] Image Pymol Jmol Links: PDB, SCOP, CATH
Uncharacterized protein GSU0716 ; X-RAY DIFFRACTION 2.5Å
e3r5kA1[A:57-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-7 ; ligands: FMT ; X-RAY DIFFRACTION 2.86Å
e3v6lA1[A:31-163,A:203-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; X-RAY DIFFRACTION 2.2Å
e3s70A1[A:31-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; ligands: ACT,CAC,MG ; X-RAY DIFFRACTION 1.62Å
e3v3kA1[A:141-296,A:321-403] Image Pymol Jmol Links: PDB, SCOP, CATH
Caspase-9 ; X-RAY DIFFRACTION 3.49Å
e4hvaB1[B:30-291] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; ligands: 4HV ; X-RAY DIFFRACTION 2.07Å
e4jr0A1[A:33-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Procaspase-3 ; ligands: CL ; X-RAY DIFFRACTION 1.796Å
e4jr1A1[A:56-302] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Procaspase-7 ; ligands: CL ; X-RAY DIFFRACTION 2.149Å
e4jr2B1[B:56-302] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Procaspase-7 ; ligands: CL ; X-RAY DIFFRACTION 1.650Å
e2ar9B1[B:140-287,B:335-416] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-9 ; X-RAY DIFFRACTION 2.8Å
e2ar9C1[C:140-287,C:335-416] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-9 ; X-RAY DIFFRACTION 2.8Å
e2ar9D1[D:140-287,D:335-416] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-9 ; X-RAY DIFFRACTION 2.8Å
e2j31A1[A:29-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; X-RAY DIFFRACTION 1.500Å
e2j32A1[A:29-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; X-RAY DIFFRACTION 1.300Å
e2j33A1[A:29-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; X-RAY DIFFRACTION 2.000Å
e2nn3D1[D:40-299] Image Pymol Jmol Links: PDB, SCOP, CATH
Caspase-1 ; X-RAY DIFFRACTION 3.00Å
e3bijB1[B:2-277] Image Pymol Jmol Links: PDB, SCOP, CATH
Uncharacterized protein GSU0716 ; X-RAY DIFFRACTION 2.5Å
e3bijC1[C:2-279] Image Pymol Jmol Links: PDB, SCOP, CATH
Uncharacterized protein GSU0716 ; X-RAY DIFFRACTION 2.5Å
e3e4cB1[B:128-404] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-1 ; ligands: MG ; X-RAY DIFFRACTION 2.05Å
e2k7zA1[A:224-479] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-8 ; SOLUTION NMR
e3h13A1[A:240-363,A:396-479] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASP8 and FADD-like apoptosis regulator ; X-RAY DIFFRACTION 2.2Å
e3h1pA1[A:58-303] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-7 ; X-RAY DIFFRACTION 2.61Å
e3h1pB1[B:57-304] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-7 ; X-RAY DIFFRACTION 2.61Å
e2wdpA1[A:31-165,A:200-293] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; X-RAY DIFFRACTION 1.95Å
e2wdpB1[B:31-165,B:198-293] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; X-RAY DIFFRACTION 1.95Å
e2wdpC1[C:31-165,C:202-293] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; X-RAY DIFFRACTION 1.95Å
e2wdpD1[D:31-165,D:199-293] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; ligands: PO4 ; X-RAY DIFFRACTION 1.95Å
e3h0eB1[B:34-276] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; ligands: H0E ; X-RAY DIFFRACTION 2.0Å
e3itnA1[A:29-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; X-RAY DIFFRACTION 1.63Å
e3k7eA1[A:33-163,A:199-291] Image Pymol Jmol Links: PDB, SCOP, CATH
CASPASE-6 ; X-RAY DIFFRACTION 3.0Å
e3k7eB1[B:32-163,B:202-290] Image Pymol Jmol Links: PDB, SCOP, CATH
CASPASE-6 ; X-RAY DIFFRACTION 3.0Å
e3k7eC1[C:32-161,C:199-290] Image Pymol Jmol Links: PDB, SCOP, CATH
CASPASE-6 ; X-RAY DIFFRACTION 3.0Å
e3k7eD1[D:33-163,D:197-291] Image Pymol Jmol Links: PDB, SCOP, CATH
CASPASE-6 ; X-RAY DIFFRACTION 3.0Å
e3nr2B1[B:31-163,B:194-291] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; X-RAY DIFFRACTION 2.9Å
e3od5A1[A:31-291] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; ligands: CAC ; X-RAY DIFFRACTION 1.6Å
e3od5B1[B:31-291] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; ligands: CAC ; X-RAY DIFFRACTION 1.6Å
e3nkfA1[A:31-163,A:198-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-6 ; X-RAY DIFFRACTION 2.9Å
e3nkfB1[B:31-164,B:202-290] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-6 ; X-RAY DIFFRACTION 2.9Å
e3nkfC1[C:31-163,C:197-294] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-6 ; X-RAY DIFFRACTION 2.9Å
e3nkfD1[D:31-163,D:198-291] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase-6 ; X-RAY DIFFRACTION 2.9Å
e3pd0A1[A:29-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; ligands: CL ; X-RAY DIFFRACTION 2.0Å
e3pcxA1[A:29-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; X-RAY DIFFRACTION 1.5Å
e3pd1A1[A:30-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; X-RAY DIFFRACTION 1.62Å
e3r5kB1[B:357-605] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-7 ; ligands: FMT ; X-RAY DIFFRACTION 2.86Å
e3sirD1[D:10-137,D:170-259] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Caspase ; X-RAY DIFFRACTION 2.68Å
e3uo8C1[C:338-580] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mucosa-associated lymphoid tissue lymphoma translocation protein 1 ; X-RAY DIFFRACTION 1.900Å
e3uoaB1[B:338-582] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mucosa-associated lymphoid tissue lymphoma translocation protein 1 ; X-RAY DIFFRACTION 1.750Å
e3uoaC1[C:338-580] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Mucosa-associated lymphoid tissue lymphoma translocation protein 1 ; ligands: MG ; X-RAY DIFFRACTION 1.750Å
e4f6pA1[A:98-299,A:351-432] Image Pymol Jmol Links: PDB, SCOP, CATH
METACASPASE-1 ; ligands: DFH ; X-RAY DIFFRACTION 1.62Å
e4dcoE1[E:1176-1268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P12 ; X-RAY DIFFRACTION 1.7Å
e4dcoB1[B:176-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P12 ; X-RAY DIFFRACTION 1.7Å
e4dcpB1[B:176-270] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P12 ; X-RAY DIFFRACTION 1.7Å
e4dcjE1[E:1176-1268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P12 ; X-RAY DIFFRACTION 1.7Å
e4dcpE1[E:1176-1268] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P12 ; X-RAY DIFFRACTION 1.7Å
e4jr0B1[B:32-256] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Procaspase-3 ; ligands: CL ; X-RAY DIFFRACTION 1.796Å
e4jr2A1[A:54-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Procaspase-7 ; ligands: CL ; X-RAY DIFFRACTION 1.650Å
e4jr1B1[B:54-281] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
Procaspase-7 ; ligands: CL ; X-RAY DIFFRACTION 2.149Å
e4jj7A1[A:223-478] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ; ligands: DTD ; X-RAY DIFFRACTION 1.18Å
e4jjeA1[A:29-278] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; X-RAY DIFFRACTION 1.48Å
e4dcpA1[A:34-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P17 ; X-RAY DIFFRACTION 1.7Å
e4dcpD1[D:1034-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P17 ; X-RAY DIFFRACTION 1.7Å
e4dcjD1[D:1034-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P17 ; X-RAY DIFFRACTION 1.7Å
e4dcoA1[A:34-174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P17 ; X-RAY DIFFRACTION 1.7Å
e4dcoD1[D:1034-1174] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P17 ; X-RAY DIFFRACTION 1.7Å
e2c1e.1[A:29-175,B:176-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P12 & CASPASE-3 SUBUNIT P17 ; X-RAY DIFFRACTION 1.760Å
e2c2k.1[A:29-175,B:176-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P12 & CASPASE-3 SUBUNIT P17 ; X-RAY DIFFRACTION 1.860Å
e2c2m.1[A:29-175,B:176-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P12 & CASPASE-3 SUBUNIT P17 ; X-RAY DIFFRACTION 1.930Å
e2c2z.1[A:223-372,B:390-479] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 P10 SUBUNIT & CASPASE-8 P18 SUBUNIT ; ligands: DTD ; X-RAY DIFFRACTION 1.920Å
e2y1l.1[A:223-371,B:474-478] Image Pymol Jmol Links: PDB, SCOP, CATH
CASPASE-8 ; ligands: SO4 ; X-RAY DIFFRACTION 1.8Å
e2y1l.2[C:223-367,D:390-479] Image Pymol Jmol Links: PDB, SCOP, CATH
CASPASE-8 ; ligands: EDO,SO4 ; X-RAY DIFFRACTION 1.8Å
e3kjn.1[A:223-367,B:390-479] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ; ligands: B93,DTT ; X-RAY DIFFRACTION 1.8Å
e3kjq.1[A:223-367,B:390-479] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-8 ; ligands: B94 ; X-RAY DIFFRACTION 1.8Å
e2c2o.1[A:29-175,B:176-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P12 & CASPASE-3 SUBUNIT P17 ; X-RAY DIFFRACTION 2.450Å
e2cdr.1[A:29-175,B:176-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 SUBUNIT P12 & CASPASE-3 SUBUNIT P17 ; X-RAY DIFFRACTION 1.700Å
e2cjx.1[A:33-175,B:186-222,A:29-32,B:223-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; X-RAY DIFFRACTION 1.700Å
e2cjy.1[A:29-175,B:176-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 ; X-RAY DIFFRACTION 1.660Å
e2cnk.1[A:29-174,B:175-277] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-3 P12 SUBUNIT & CASPASE-3 P17 SUBUNIT ; X-RAY DIFFRACTION 1.750Å
e3p45.1[A:31-163,B:198-291] Image Pymol Jmol Links: PDB, SCOP, CATH
caspase-6 ; X-RAY DIFFRACTION 2.530Å
e3p45.2[C:31-162,D:200-291] Image Pymol Jmol Links: PDB, SCOP, CATH
caspase-6 ; X-RAY DIFFRACTION 2.530Å
e3p45.4[E:31-162,F:202-292] Image Pymol Jmol Links: PDB, SCOP, CATH
caspase-6 ; X-RAY DIFFRACTION 2.530Å
e3p45.6[G:32-162,H:200-291] Image Pymol Jmol Links: PDB, SCOP, CATH
caspase-6 ; X-RAY DIFFRACTION 2.530Å
e3p45.8[I:31-163,J:201-292] Image Pymol Jmol Links: PDB, SCOP, CATH
caspase-6 ; X-RAY DIFFRACTION 2.530Å
e3p45.10[K:32-163,L:202-223] Image Pymol Jmol Links: PDB, SCOP, CATH
caspase-6 ; X-RAY DIFFRACTION 2.530Å
e3p45.12[M:31-163,N:202-292] Image Pymol Jmol Links: PDB, SCOP, CATH
caspase-6 ; X-RAY DIFFRACTION 2.530Å
e3p45.14[O:31-162,P:201-292] Image Pymol Jmol Links: PDB, SCOP, CATH
caspase-6 ; X-RAY DIFFRACTION 2.530Å
e3p4u.1[A:31-175,B:198-291] Image Pymol Jmol Links: PDB, SCOP, CATH
Caspase-6 ; X-RAY DIFFRACTION 1.900Å
e3p4u.2[C:31-175,D:198-291] Image Pymol Jmol Links: PDB, SCOP, CATH
Caspase-6 ; X-RAY DIFFRACTION 1.900Å
e3qnw.1[A:31-164,B:200-292] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; X-RAY DIFFRACTION 2.65Å
e3qnw.2[C:31-163,D:200-291] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI
CASPASE-6 ; X-RAY DIFFRACTION 2.65Å
Nexte1pyo.1[A:9-167,B:207-304]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
CASPASE-2 ; X-RAY DIFFRACTION 1.65Å
e4dcj.1[A:34-174,B:185-279]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
CASPASE-3 SUBUNIT P12 & CASPASE-3 SUBUNIT P17 ; X-RAY DIFFRACTION 1.7Å
e1sc3.1[A:125-297,B:317-404]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Interleukin-1 beta convertase ; ligands: MLI ; X-RAY DIFFRACTION 1.8Å
e3e4cA1[A:126-404]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
Caspase-1 ; ligands: MG ; X-RAY DIFFRACTION 2.05Å
e1m72A1[A:40-295]
nonrep
Image
Pymol
Jmol Links:
PDB,
SCOP,
CATH, PubMed,
DOI
CASPASE-1 ; ligands: EDO ; X-RAY DIFFRACTION 2.3Å

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