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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

X: cradle loop barrel

Refs: Structure 14, 1489-1498; Current opinion in structural biology 18, 358-365

H: RIFT-related
T: acid protease

126354, 3-crossover-4

F: RVP

PF00077 CL0129

Representatives:

e2nmzA1[A:1-99] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: ROC,SO4 ; X-RAY DIFFRACTION 0.97Å

e3sa4A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Protease ; ligands: ACT,F72,PO4 ; X-RAY DIFFRACTION 1.80Å

e3s85J1[J:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease/reverse transcriptase ; ligands: LK0 ; X-RAY DIFFRACTION 2.8Å

e3vf7A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protease ; ligands: 031,CL,GOL,NA ; X-RAY DIFFRACTION 1.3Å

e3tkgC1[C:-4-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: CL,ROC ; X-RAY DIFFRACTION 1.36Å

e3s43B1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 478,GOL,IOD ; X-RAY DIFFRACTION 1.26Å

e3s85H1[H:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease/reverse transcriptase ; ligands: LK0 ; X-RAY DIFFRACTION 2.8Å

e3s85C1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease/reverse transcriptase ; ligands: LK0 ; X-RAY DIFFRACTION 2.8Å

e3qroA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

PROTEASE ; ligands: CL,DTD,NK9 ; X-RAY DIFFRACTION 1.62Å

e3sacA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Protease ; ligands: AF8,PO4 ; X-RAY DIFFRACTION 1.50Å

e4a4qB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: UX9 ; X-RAY DIFFRACTION 1.80Å

e4dqeB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aspartyl protease ; ligands: 017,ACT ; X-RAY DIFFRACTION 1.300Å

e4dqcA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aspartyl protease ; ligands: 017,GOL ; X-RAY DIFFRACTION 1.94Å

e3qrmB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

PROTEASE ; ligands: CL,DTD,NK7 ; X-RAY DIFFRACTION 1.73Å

e4dqgB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Aspartyl protease ; ligands: ACT,GOL,PO4 ; X-RAY DIFFRACTION 2.650Å

e4fm6A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: CL,GOL ; X-RAY DIFFRACTION 1.4Å

e3uf3B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: GOL ; X-RAY DIFFRACTION 1.63Å

e4djqB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Pol polyprotein ; ligands: M86,PO4 ; X-RAY DIFFRACTION 1.400Å

e4e43B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: BME,DMS,GOL ; X-RAY DIFFRACTION 1.540Å

e3uhlB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; X-RAY DIFFRACTION 2.2Å

e3s45B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 478,CL,IMD,ZN ; X-RAY DIFFRACTION 1.51Å

e3t3cB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 protease ; ligands: 017,BME,SO4 ; X-RAY DIFFRACTION 2.1Å

e4f73A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Protease ; ligands: ACT,GOL ; X-RAY DIFFRACTION 1.900Å

e4j54A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: ACT,G52,IOD ; X-RAY DIFFRACTION 1.55Å

e4ejlA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: DMS,GOL,IOP,PEG ; X-RAY DIFFRACTION 2.445Å

e4f75B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Protease ; X-RAY DIFFRACTION 1.650Å

e4f73B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Protease ; X-RAY DIFFRACTION 1.900Å

e4f76A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Protease ; X-RAY DIFFRACTION 1.850Å

e4j55A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 031 ; X-RAY DIFFRACTION 1.31Å

e4ejkB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 1.794Å

e4ej8B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: DMS,EDO ; X-RAY DIFFRACTION 2.347Å

e4j54B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: G52,IOD ; X-RAY DIFFRACTION 1.55Å

e4ejlB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: DMS,GOL,PEG ; X-RAY DIFFRACTION 2.445Å

e4f74B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Protease ; X-RAY DIFFRACTION 2.200Å

e4f75A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Protease ; ligands: ACT,GOL ; X-RAY DIFFRACTION 1.650Å

e4ejdA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 1F1,BME ; X-RAY DIFFRACTION 1.1Å

e4ejkA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: IOP ; X-RAY DIFFRACTION 1.794Å

e4ejdB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: BME,GOL ; X-RAY DIFFRACTION 1.1Å

e4j55B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 031 ; X-RAY DIFFRACTION 1.31Å

e4j5jA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 478,CL ; X-RAY DIFFRACTION 1.8Å

e4j5jB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 478,CL ; X-RAY DIFFRACTION 1.8Å

e4f76B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Protease ; X-RAY DIFFRACTION 1.850Å

e4f74A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

Protease ; X-RAY DIFFRACTION 2.200Å

e4gb2A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

GAG-POL POLYPROTEIN ; ligands: 0LQ,CL,GOL ; X-RAY DIFFRACTION 1.79Å

e4gb2B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH

GAG-POL POLYPROTEIN ; ligands: 0LQ,CL ; X-RAY DIFFRACTION 1.79Å

e4hdbA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: CL,G52,NA ; X-RAY DIFFRACTION 1.49Å

e4hdbB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: CL,G52 ; X-RAY DIFFRACTION 1.49Å

e4hlaA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: 017 ; X-RAY DIFFRACTION 1.95Å

e4hlaB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: 017 ; X-RAY DIFFRACTION 1.95Å

e4i8wA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: G07 ; X-RAY DIFFRACTION 1.95Å

e4i8wB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: G07 ; X-RAY DIFFRACTION 1.95Å

e4i8zA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: G08 ; X-RAY DIFFRACTION 1.75Å

e4i8zB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: G08 ; X-RAY DIFFRACTION 1.75Å

e4hdfB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: CL,G52 ; X-RAY DIFFRACTION 1.29Å

e4hdfA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: G52 ; X-RAY DIFFRACTION 1.29Å

e4hdpB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: CL,G52,NA ; X-RAY DIFFRACTION 1.22Å

e4hdpA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: CL,G52,NA ; X-RAY DIFFRACTION 1.22Å

e4jecA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 protease ; ligands: 478,CL ; X-RAY DIFFRACTION 2.0Å

e4jecB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 protease ; ligands: 478 ; X-RAY DIFFRACTION 2.0Å

e4he9A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: CL,G52,NA ; X-RAY DIFFRACTION 1.06Å

e4kb9A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: ACT,CL,G79 ; X-RAY DIFFRACTION 1.29Å

e4kb9B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: ACT,CL,G79,GOL,NA ; X-RAY DIFFRACTION 1.29Å

e4hegB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: G52 ; X-RAY DIFFRACTION 1.46Å

e4hegA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: G52 ; X-RAY DIFFRACTION 1.46Å

e4he9B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; ligands: CL,G52 ; X-RAY DIFFRACTION 1.06Å

e4k4pA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 protease ; ligands: 3TL,NO3 ; X-RAY DIFFRACTION 2.309Å

e4k4pB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 protease ; ligands: 3TL ; X-RAY DIFFRACTION 2.309Å

e4k4qA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 protease ; ligands: 06B,3TL,BME,DMS,NO3 ; X-RAY DIFFRACTION 1.8000Å

e4k4qB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 protease ; ligands: 06B,3TL,DMS,NO3 ; X-RAY DIFFRACTION 1.8000Å

e4k4rA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gag-Pol polyprotein ; ligands: 27B,3TL,DMS,NO3 ; X-RAY DIFFRACTION 1.795Å

e4k4rB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Gag-Pol polyprotein ; ligands: 27B,3TL,BR,NO3 ; X-RAY DIFFRACTION 1.795Å

e3zpsA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,EQM ; X-RAY DIFFRACTION 1.55Å

e3zpsB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,EQM ; X-RAY DIFFRACTION 1.55Å

e3zptA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,M8Y ; X-RAY DIFFRACTION 1.54Å

e3zptB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,M8Y ; X-RAY DIFFRACTION 1.54Å

e3zpuA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,M8B ; X-RAY DIFFRACTION 1.80Å

e3zpuB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,M8B ; X-RAY DIFFRACTION 1.80Å

e4gzfA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 2.053Å

e4gzfB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 2.053Å

e4exhB2[B:11-122] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative gag-pro-pol polyprotein ; X-RAY DIFFRACTION 2.0Å

e3sqfA2[A:9-103] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; X-RAY DIFFRACTION 1.63Å

e4exhA2[A:11-124] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Putative gag-pro-pol polyprotein ; ligands: FMT ; X-RAY DIFFRACTION 2.0Å

e4epjA2[A:1-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protease, tethered dimer ; ligands: ACT,BME,DMS,EDO,GOL ; X-RAY DIFFRACTION 1.660Å

e4ep3A2[A:1-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protease, tethered dimer ; ligands: BME,GOL ; X-RAY DIFFRACTION 1.810Å

e4eq0A2[A:1-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protease, tethered dimer ; ligands: ACT,BME,EDO,GOL,PO4 ; X-RAY DIFFRACTION 1.700Å

e4eqjA2[A:1-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

protease, tethered dimer ; ligands: EDO,GOL ; X-RAY DIFFRACTION 1.800Å

e4l1aA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MDR769 HIV-1 protease ; ligands: AB1 ; X-RAY DIFFRACTION 1.9Å

e4l1aB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

MDR769 HIV-1 protease ; ligands: AB1 ; X-RAY DIFFRACTION 1.9Å

e4mc1A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Protease ; ligands: 526,CL ; X-RAY DIFFRACTION 1.39Å

e4mc1B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Protease ; ligands: 526,CL ; X-RAY DIFFRACTION 1.39Å

e4mc2A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Protease ; ligands: 525,CL ; X-RAY DIFFRACTION 1.56Å

e4mc2B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Protease ; ligands: 525,CL ; X-RAY DIFFRACTION 1.56Å

e4mc6A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Protease ; ligands: 23K,CL,EDO ; X-RAY DIFFRACTION 1.31Å

e4mc6B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Protease ; ligands: 23K,CL ; X-RAY DIFFRACTION 1.31Å

e4mc9A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Protease ; ligands: 23L,CL,EDO ; X-RAY DIFFRACTION 1.187Å

e4mc9B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATHDOI

Protease ; ligands: 23L,CL,EDO ; X-RAY DIFFRACTION 1.187Å

e4njsA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: G08 ; X-RAY DIFFRACTION 1.8Å

e4njsB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: G08 ; X-RAY DIFFRACTION 1.8Å

e4njsC1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: G08 ; X-RAY DIFFRACTION 1.8Å

e4njsD1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: G08 ; X-RAY DIFFRACTION 1.8Å

e4njtA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: 017 ; X-RAY DIFFRACTION 1.95Å

e4njtB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: 017 ; X-RAY DIFFRACTION 1.95Å

e4njtC1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: 017 ; X-RAY DIFFRACTION 1.95Å

e4njtD1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: 017 ; X-RAY DIFFRACTION 1.95Å

e4njuA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: TPV ; X-RAY DIFFRACTION 1.8Å

e4njuB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: TPV ; X-RAY DIFFRACTION 1.8Å

e4njuC1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: TPV ; X-RAY DIFFRACTION 1.8Å

e4njuD1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: TPV ; X-RAY DIFFRACTION 1.8Å

e4njvA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: RIT ; X-RAY DIFFRACTION 1.8Å

e4njvB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: RIT ; X-RAY DIFFRACTION 1.8Å

e4njvC1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: RIT ; X-RAY DIFFRACTION 1.8Å

e4njvD1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: RIT ; X-RAY DIFFRACTION 1.8Å

e4ll3A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: 017 ; X-RAY DIFFRACTION 1.950Å

e4ll3B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: 017 ; X-RAY DIFFRACTION 1.950Å

e4m8xA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: KGQ ; X-RAY DIFFRACTION 2.05Å

e4m8xB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: KGQ ; X-RAY DIFFRACTION 2.05Å

e4m8yA1[A:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: KGQ ; X-RAY DIFFRACTION 2.22Å

e4m8yB1[B:1-100] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: KGQ ; X-RAY DIFFRACTION 2.22Å

e4nkkA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 protease ; X-RAY DIFFRACTION 1.56Å

e4qgiA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 1.9Å

e4qgiB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 1.9Å

e4tvhA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: 3TL ; X-RAY DIFFRACTION 2.195Å

e4tvhB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: 3TL,BME,K97 ; X-RAY DIFFRACTION 2.195Å

e4tvgA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV Protease ; ligands: K97 ; X-RAY DIFFRACTION 2.179Å

e4tvgB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV Protease ; ligands: GOL ; X-RAY DIFFRACTION 2.179Å

e3doxA1[A:1-1099] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; X-RAY DIFFRACTION 2.0Å

e1g6lA1[A:1-1099] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 PROTEASE ; X-RAY DIFFRACTION 1.9Å

e3kt2A1[A:1-1099] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 1.65Å

e3kt5A1[A:1-1099] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 1.801Å

e1lv1A1[A:1-1099] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 protease ; X-RAY DIFFRACTION 2.1Å

e3n3iA1[A:1-1099] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: ROC ; X-RAY DIFFRACTION 2.5Å

e2whhA1[A:1-1099] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

POL PROTEIN ; ligands: GLU,PPN ; X-RAY DIFFRACTION 1.69Å

e4qlhA1[A:1-1099] Image Pymol Jmol Links: PDB, SCOP, CATH

Protease, linker, Protease ; X-RAY DIFFRACTION 2.44Å

e4nptA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: 017,GOL ; X-RAY DIFFRACTION 1.66Å

e4npuA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 1.50Å

e4npuB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 1.50Å

e3wsjA1[A:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: MK1,PG4,SO4 ; X-RAY DIFFRACTION 2.40Å

e3wsjB1[B:1-116] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: MK1,SO4 ; X-RAY DIFFRACTION 2.40Å

e4qj9A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: GOL,PO4 ; X-RAY DIFFRACTION 1.84Å

e4qj9B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: GOL,PO4 ; X-RAY DIFFRACTION 1.84Å

e4qjaB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: SO4 ; X-RAY DIFFRACTION 1.54Å

e4qjaA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: SO4 ; X-RAY DIFFRACTION 1.54Å

e4qj2A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: GOL ; X-RAY DIFFRACTION 2.14Å

e4qj2B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: GOL,SO4 ; X-RAY DIFFRACTION 2.14Å

e4qj2C1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: PO4,SO4 ; X-RAY DIFFRACTION 2.14Å

e4qj2D1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: PO4 ; X-RAY DIFFRACTION 2.14Å

e4qj6A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: SO4 ; X-RAY DIFFRACTION 1.50Å

e4qj6B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: SO4 ; X-RAY DIFFRACTION 1.50Å

e4qj6C1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 1.50Å

e4qj6D1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 1.50Å

e4qj7A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; X-RAY DIFFRACTION 1.67Å

e4qj7B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: PO4,SO4 ; X-RAY DIFFRACTION 1.67Å

e4qj7C1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: SO4 ; X-RAY DIFFRACTION 1.67Å

e4qj7D1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: SO4 ; X-RAY DIFFRACTION 1.67Å

e4qj8A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: GOL,PO4 ; X-RAY DIFFRACTION 2.00Å

e4qj8B1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: GOL,PO4 ; X-RAY DIFFRACTION 2.00Å

e4qj8C1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: PO4 ; X-RAY DIFFRACTION 2.00Å

e4qj8D1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease ; ligands: PO4 ; X-RAY DIFFRACTION 2.00Å

e4u8wA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: CL,G10,NA ; X-RAY DIFFRACTION 1.3Å

e4u8wB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: ACT,CL,G10 ; X-RAY DIFFRACTION 1.3Å

e4obhA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO,GOL ; X-RAY DIFFRACTION 1.85Å

e4obhB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO,GOL ; X-RAY DIFFRACTION 1.85Å

e4obhC1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: ACT,EDO,GOL,PO4 ; X-RAY DIFFRACTION 1.85Å

e4obhD1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO,GOL,PO4 ; X-RAY DIFFRACTION 1.85Å

e4objA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: ACT,EDO,GOL ; X-RAY DIFFRACTION 1.75Å

e4objB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: ACT,EDO,GOL ; X-RAY DIFFRACTION 1.75Å

e4obkA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: ACT,EDO,GOL ; X-RAY DIFFRACTION 1.65Å

e4obkB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO,GOL ; X-RAY DIFFRACTION 1.65Å

e4obdA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO ; X-RAY DIFFRACTION 1.68Å

e4obdB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO,GOL ; X-RAY DIFFRACTION 1.68Å

e4obdC1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO ; X-RAY DIFFRACTION 1.68Å

e4obdD1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO ; X-RAY DIFFRACTION 1.68Å

e4obfA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: ACT,EDO,GOL,PO4 ; X-RAY DIFFRACTION 1.68Å

e4obfB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO,GOL ; X-RAY DIFFRACTION 1.68Å

e4obfC1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO,GOL ; X-RAY DIFFRACTION 1.68Å

e4obfD1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO,GOL,PO4 ; X-RAY DIFFRACTION 1.68Å

e4obgA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO,GOL,PO4 ; X-RAY DIFFRACTION 1.78Å

e4obgB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO,GOL ; X-RAY DIFFRACTION 1.78Å

e4obgC1[C:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO,GOL,PO4 ; X-RAY DIFFRACTION 1.78Å

e4obgD1[D:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

HIV-1 Protease ; ligands: EDO ; X-RAY DIFFRACTION 1.78Å

e4coeA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,M17 ; X-RAY DIFFRACTION 2.45Å

e4coeB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,M17 ; X-RAY DIFFRACTION 2.45Å

e4cp7A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 9MW,CL ; X-RAY DIFFRACTION 1.80Å

e4cp7B1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 9MW,CL ; X-RAY DIFFRACTION 1.80Å

e4cpqA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 9MW,CL ; X-RAY DIFFRACTION 2.35Å

e4cpqB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 9MW,CL ; X-RAY DIFFRACTION 2.35Å

e4cprA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 378,CL ; X-RAY DIFFRACTION 1.80Å

e4cprB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 378,CL ; X-RAY DIFFRACTION 1.80Å

e4cpsA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 1T8,CL ; X-RAY DIFFRACTION 1.55Å

e4cpsB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 1T8,CL ; X-RAY DIFFRACTION 1.55Å

e4cptA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 1T8,CL ; X-RAY DIFFRACTION 1.70Å

e4cptB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: 1T8,CL ; X-RAY DIFFRACTION 1.70Å

e4cpuA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,V78 ; X-RAY DIFFRACTION 1.82Å

e4cpuB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,V78 ; X-RAY DIFFRACTION 1.82Å

e4cpwA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,V78 ; X-RAY DIFFRACTION 1.70Å

e4cpwB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,V78 ; X-RAY DIFFRACTION 1.70Å

e4cpxA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,V78 ; X-RAY DIFFRACTION 1.85Å

e4cpxB1[B:101-199] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: CL,V78 ; X-RAY DIFFRACTION 1.85Å

e4q1wA1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ASPARTYL PROTEASE ; ligands: 017,PO4 ; X-RAY DIFFRACTION 1.85Å

e5ah7A1[A:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

PROTEASE ; ligands: C7J,CL ; X-RAY DIFFRACTION 2.20Å

e4q1wB1[B:1-99] Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

ASPARTYL PROTEASE ; ligands: 017,ACT,PO4 ; X-RAY DIFFRACTION 1.85Å

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e2fmbA1[A:1-104] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

EQUINE INFECTIOUS ANEMIA VIRUS PROTEASE ; ligands: LP1 ; X-RAY DIFFRACTION 1.8Å

e4fivA1[A:4-116] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed,

FELINE IMMUNODEFICIENCY VIRUS PROTEASE ; ligands: LP1 ; X-RAY DIFFRACTION 1.8Å

e1nsoA1[A:1-107] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

Protease 13 kDa ; SOLUTION NMR

e2rspA1[A:1-124] nonrep Image Pymol Jmol Links: PDB, SCOP, CATH, PubMed, DOI

RSV PROTEASE ; X-RAY DIFFRACTION

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.

T: double psi

152436, 2-crossover-3, 5-crossover-6

T: AbrB

122'1'344'3', 2-crossover-3, 2'-crossover-3'

T: Bacterial fluorinating enzyme-C

1265437, 2-crossover-3, 6-crossover-7

T: FMN-binding split barrel

123654, 3-crossover-4

T: Surface presentation of antigens (SPOA)

123654, 3-crossover-4, swapping

T: Alanine racemase-C

125436, 2-crossover-3, 5-crossover-6

T: Aminomethyltransferase beta-barrel domain

143256, 1-crossover-2, 4-crossover-5

T: PUA domain

12543, 2-crossover-3

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

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