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2P0R

Structure of Human Calpain 9 in complex with Leupeptin

Functional Information from GO Data
ChainGOidnamespacecontents
A0004198molecular_functioncalcium-dependent cysteine-type endopeptidase activity
A0006508biological_processproteolysis
B0004198molecular_functioncalcium-dependent cysteine-type endopeptidase activity
B0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues5
DetailsBINDING SITE FOR RESIDUE CA B 1001
ChainResidue
BGLU284
BASP291
BLEU312
BASP314
BGLU316

site_idAC2
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 1002
ChainResidue
AGLU316
AHOH1068
AGLU284
AASP291
ALEU312
AASP314

site_idAC3
Number of Residues6
DetailsBINDING SITE FOR RESIDUE CA A 1003
ChainResidue
ALEU81
AGLY83
AASP88
AGLU167
AHOH1007
AHOH1168

site_idAC4
Number of Residues4
DetailsBINDING SITE FOR RESIDUE CA B 1004
ChainResidue
BLEU81
BGLY83
BASP88
BGLU167

site_idAC5
Number of Residues1
DetailsBINDING SITE FOR RESIDUE CA A 1005
ChainResidue
AARG60

site_idAC6
Number of Residues13
DetailsBINDING SITE FOR CHAIN D OF LEUPEPTIN
ChainResidue
AGLN91
AGLY95
ACYS97
ATRP98
ALYS188
AGLY189
AGLY190
APHE233
AGLU243
AGLY253
AHOH1149
BGLN62
BARG297

site_idAC7
Number of Residues12
DetailsBINDING SITE FOR CHAIN E OF LEUPEPTIN
ChainResidue
AGLU59
BGLY95
BASP96
BCYS97
BTRP98
BLYS188
BGLY189
BGLY190
BPHE233
BSER242
BGLY253
BHOH1105

Functional Information from PROSITE/UniProt
site_idPS00139
Number of Residues12
DetailsTHIOL_PROTEASE_CYS Eukaryotic thiol (cysteine) proteases cysteine active site. QGeLGDCWLlAA
ChainResidueDetails
AGLN91-ALA102

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues6
DetailsACT_SITE: ACT_SITE => ECO:0000269|PubMed:17157313
ChainResidueDetails
ACYS97
AHIS254
AASN278
BCYS97
BHIS254
BASN278

site_idSWS_FT_FI2
Number of Residues18
DetailsBINDING:
ChainResidueDetails
ALEU81
BLEU81
BGLY83
BASP88
BGLU167
BGLU284
BASP291
BLEU312
BASP314
BGLU316
AGLY83
AASP88
AGLU167
AGLU284
AASP291
ALEU312
AASP314
AGLU316

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1kfu
ChainResidueDetails
ACYS97
AHIS254
AASN278
AGLN91

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1kfu
ChainResidueDetails
BCYS97
BHIS254
BASN278
BGLN91

site_idCSA3
Number of Residues5
DetailsAnnotated By Reference To The Literature 1kfu
ChainResidueDetails
ACYS97
AHIS254
AASN278
ATRP280
AGLN91

site_idCSA4
Number of Residues5
DetailsAnnotated By Reference To The Literature 1kfu
ChainResidueDetails
BCYS97
BHIS254
BASN278
BTRP280
BGLN91

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PDB entries from 2025-06-18

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