Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

1EKB

THE SERINE PROTEASE DOMAIN OF ENTEROPEPTIDASE BOUND TO INHIBITOR VAL-ASP-ASP-ASP-ASP-LYS-CHLOROMETHANE

Functional Information from GO Data
ChainGOidnamespacecontents
B0004252molecular_functionserine-type endopeptidase activity
B0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues3
DetailsBINDING SITE FOR RESIDUE ZN B 310
ChainResidue
BGLU24
BHIS71
BGLU126

site_idAC2
Number of Residues4
DetailsBINDING SITE FOR RESIDUE ZN B 311
ChainResidue
BASP50
BGLU185
BHIS243
BHOH479

site_idAC3
Number of Residues17
DetailsBINDING SITE FOR CHAIN C OF VAL-ASP-ASP-ASP-ASP-LYK PEPTIDE
ChainResidue
BTYR174
BASP189
BSER190
BGLN192
BGLY193
BSER195
BSER214
BPHE215
BGLY216
BGLY226
BHOH407
BHOH438
CHOH436
CHOH445
CHOH521
BHIS57
BLYS99

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. VSAAHC
ChainResidueDetails
BVAL53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPLM
ChainResidueDetails
BASP189-MET200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues234
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues3
DetailsActive site: {"description":"Charge relay system","evidences":[{"source":"PubMed","id":"10493881","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues3
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
BASP102
BHIS57

site_idCSA2
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
BSER195
BGLY196

site_idCSA3
Number of Residues2
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
BSER195
BGLY193

site_idCSA4
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
BASP102
BSER195
BHIS57

site_idCSA5
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
BASP102
BSER195
BHIS57
BGLY196

site_idCSA6
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
BASP102
BSER195
BGLY193
BHIS57

site_idCSA7
Number of Residues5
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
BSER195
BGLY193
BASP86
BHIS57
BSER214

238895

PDB entries from 2025-07-16

PDB statisticsPDBj update infoContact PDBjnumon