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3PB1

Crystal Structure of a Michaelis Complex between Plasminogen Activator Inhibitor-1 and Urokinase-type Plasminogen Activator

Functional Information from GO Data
ChainGOidnamespacecontents
E0004252molecular_functionserine-type endopeptidase activity
E0006508biological_processproteolysis
I0001525biological_processangiogenesis
I0002020molecular_functionprotease binding
I0004866molecular_functionendopeptidase inhibitor activity
I0004867molecular_functionserine-type endopeptidase inhibitor activity
I0005102molecular_functionsignaling receptor binding
I0005515molecular_functionprotein binding
I0005576cellular_componentextracellular region
I0005615cellular_componentextracellular space
I0005886cellular_componentplasma membrane
I0009617biological_processresponse to bacterium
I0010757biological_processnegative regulation of plasminogen activation
I0014912biological_processnegative regulation of smooth muscle cell migration
I0030194biological_processpositive regulation of blood coagulation
I0030195biological_processnegative regulation of blood coagulation
I0030336biological_processnegative regulation of cell migration
I0030414molecular_functionpeptidase inhibitor activity
I0031012cellular_componentextracellular matrix
I0031093cellular_componentplatelet alpha granule lumen
I0032757biological_processpositive regulation of interleukin-8 production
I0033629biological_processnegative regulation of cell adhesion mediated by integrin
I0035491biological_processpositive regulation of leukotriene production involved in inflammatory response
I0042730biological_processfibrinolysis
I0045766biological_processpositive regulation of angiogenesis
I0045861biological_processnegative regulation of proteolysis
I0048260biological_processpositive regulation of receptor-mediated endocytosis
I0050729biological_processpositive regulation of inflammatory response
I0050820biological_processpositive regulation of coagulation
I0050829biological_processdefense response to Gram-negative bacterium
I0051918biological_processnegative regulation of fibrinolysis
I0061044biological_processnegative regulation of vascular wound healing
I0061045biological_processnegative regulation of wound healing
I0070062cellular_componentextracellular exosome
I0070495biological_processnegative regulation of thrombin-activated receptor signaling pathway
I0071222biological_processcellular response to lipopolysaccharide
I0090026biological_processpositive regulation of monocyte chemotaxis
I0090399biological_processreplicative senescence
I0097180cellular_componentserine protease inhibitor complex
I0097187biological_processdentinogenesis
I1901331biological_processpositive regulation of odontoblast differentiation
I1902042biological_processnegative regulation of extrinsic apoptotic signaling pathway via death domain receptors
I1904090cellular_componentpeptidase inhibitor complex
I2000098biological_processnegative regulation of smooth muscle cell-matrix adhesion
I2000352biological_processnegative regulation of endothelial cell apoptotic process
I2001045biological_processnegative regulation of integrin-mediated signaling pathway
Functional Information from PDB Data
site_idAC1
Number of Residues6
DetailsBINDING SITE FOR RESIDUE SO4 E 1
ChainResidue
ESER48
EPRO49
ECYS50
ETRP51
IARG30
IHOH497

site_idAC2
Number of Residues3
DetailsBINDING SITE FOR RESIDUE SO4 E 2
ChainResidue
ESER125
EMET126
EARG239

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. ISATHC
ChainResidueDetails
EILE53-CYS58

site_idPS00284
Number of Residues11
DetailsSERPIN Serpins signature. IIIDRPFLFvV
ChainResidueDetails
IILE352-VAL362

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues1
DetailsSite: {"description":"Reactive bond"}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","evidences":[{"evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues245
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues3
DetailsActive site: {"description":"Charge relay system"}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues1
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"9151681","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues1
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) asparagine","featureId":"CAR_000026"}
ChainResidueDetails

239492

PDB entries from 2025-07-30

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