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

5UGD

Protease Inhibitor

Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0006508biological_processproteolysis
Functional Information from PDB Data
site_idAC1
Number of Residues18
Detailsbinding site for residue 89S A 801
ChainResidue
APHE587
ASER741
ATHR759
AGLY762
AGLY764
AHOH924
AHOH1009
AHOH1021
AHOH1062
AHOH1097
AHIS603
ALYS607
AASP735
ASER736
ACYS737
AGLN738
AGLY739
AASP740

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LTAAHC
ChainResidueDetails
ALEU599-CYS604

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DScqGDSGGPLV
ChainResidueDetails
AASP735-VAL746

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues227
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"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"9201958","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idMCSA1
Number of Residues4
DetailsM-CSA 425
ChainResidueDetails
AHIS603proton shuttle (general acid/base)
AASP646electrostatic stabiliser, modifies pKa
ASER741covalent catalysis, proton shuttle (general acid/base)
AGLY742electrostatic stabiliser

239492

PDB entries from 2025-07-30

PDB statisticsPDBj update infoContact PDBjnumon