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3P4U

Crystal structure of active caspase-6 in complex with Ac-VEID-CHO inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004197molecular_functioncysteine-type endopeptidase activity
A0006508biological_processproteolysis
A0008234molecular_functioncysteine-type peptidase activity
B0004197molecular_functioncysteine-type endopeptidase activity
B0006508biological_processproteolysis
B0008234molecular_functioncysteine-type peptidase activity
C0004197molecular_functioncysteine-type endopeptidase activity
C0006508biological_processproteolysis
C0008234molecular_functioncysteine-type peptidase activity
D0004197molecular_functioncysteine-type endopeptidase activity
D0006508biological_processproteolysis
D0008234molecular_functioncysteine-type peptidase activity
Functional Information from PDB Data
site_idAC1
Number of Residues13
DetailsBINDING SITE FOR CHAIN E OF AC-VEID-CHO
ChainResidue
AARG64
BARG220
BGLU221
BTHR222
BCAS264
AARG65
AHIS121
AGLY122
AGLN161
ACYS163
BTYR217
BSER218
BHIS219

site_idAC2
Number of Residues13
DetailsBINDING SITE FOR CHAIN F OF AC-VEID-CHO
ChainResidue
CARG64
CHIS121
CGLN161
CCYS163
CHOH311
DTYR217
DSER218
DHIS219
DARG220
DGLU221
DTHR222
DCAS264
DHOH422

Functional Information from PROSITE/UniProt
site_idPS01121
Number of Residues15
DetailsCASPASE_HIS Caspase family histidine active site. HadadCfvCvFLSHG
ChainResidueDetails
AHIS108-GLY122

site_idPS01122
Number of Residues12
DetailsCASPASE_CYS Caspase family cysteine active site. KPKIFIIQACRG
ChainResidueDetails
ALYS154-GLY165

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues4
DetailsRegion: {"description":"Tri-arginine exosite","evidences":[{"source":"PubMed","id":"30420425","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues34
DetailsRegion: {"description":"130's region","evidences":[{"source":"PubMed","id":"28154009","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues2
DetailsActive site: {"evidences":[{"source":"PubMed","id":"30420425","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsActive site: {"evidences":[{"source":"PubMed","id":"16123779","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19133298","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19694615","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"20890311","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"28864531","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"30420425","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"UniProtKB","id":"O08738","evidenceCode":"ECO:0000250"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by NUAK1 and AMPK","evidences":[{"source":"PubMed","id":"15273717","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"22483120","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"32029622","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsLipidation: {"description":"S-palmitoyl cysteine","evidences":[{"source":"PubMed","id":"27911442","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

248335

PDB entries from 2026-01-28

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