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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 Residues2
DetailsMOD_RES: Phosphoserine; by NUAK1 and AMPK => ECO:0000269|PubMed:15273717, ECO:0000269|PubMed:22483120, ECO:0000269|PubMed:32029622
ChainResidueDetails
BSER257
DSER257

site_idSWS_FT_FI2
Number of Residues4
DetailsLIPID: S-palmitoyl cysteine => ECO:0000269|PubMed:27911442
ChainResidueDetails
BCAS264
BCAS277
DCAS264
DCAS277

site_idSWS_FT_FI3
Number of Residues2
DetailsMOD_RES: Phosphoserine => ECO:0000250|UniProtKB:O08738
ChainResidueDetails
ASER79
CSER79

237423

PDB entries from 2025-06-11

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