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2A45

Crystal structure of the complex between thrombin and the central "E" region of fibrin

Replaces:  1QVH
Functional Information from GO Data
ChainGOidnamespacecontents
A0004252molecular_functionserine-type endopeptidase activity
A0005576cellular_componentextracellular region
A0006508biological_processproteolysis
A0007596biological_processblood coagulation
B0004252molecular_functionserine-type endopeptidase activity
B0005509molecular_functioncalcium ion binding
B0006508biological_processproteolysis
B0007596biological_processblood coagulation
D0004252molecular_functionserine-type endopeptidase activity
D0005576cellular_componentextracellular region
D0006508biological_processproteolysis
D0007596biological_processblood coagulation
E0004252molecular_functionserine-type endopeptidase activity
E0005509molecular_functioncalcium ion binding
E0006508biological_processproteolysis
E0007596biological_processblood coagulation
G0005102molecular_functionsignaling receptor binding
G0005577cellular_componentfibrinogen complex
G0007596biological_processblood coagulation
G0030168biological_processplatelet activation
G0051258biological_processprotein polymerization
H0005102molecular_functionsignaling receptor binding
H0005577cellular_componentfibrinogen complex
H0030168biological_processplatelet activation
H0051258biological_processprotein polymerization
I0005102molecular_functionsignaling receptor binding
I0005577cellular_componentfibrinogen complex
I0030168biological_processplatelet activation
I0051258biological_processprotein polymerization
J0005102molecular_functionsignaling receptor binding
J0005577cellular_componentfibrinogen complex
J0007596biological_processblood coagulation
J0030168biological_processplatelet activation
J0051258biological_processprotein polymerization
K0005102molecular_functionsignaling receptor binding
K0005577cellular_componentfibrinogen complex
K0030168biological_processplatelet activation
K0051258biological_processprotein polymerization
L0005102molecular_functionsignaling receptor binding
L0005577cellular_componentfibrinogen complex
L0030168biological_processplatelet activation
L0051258biological_processprotein polymerization
Functional Information from PDB Data
site_idAC1
Number of Residues16
DetailsBINDING SITE FOR RESIDUE 0G6 B 1
ChainResidue
BCYS42
BGLU192
BGLY193
BSER195
BSER214
BTRP215
BGLY216
BGLY226
BHIS57
BCYS58
BTRP60
BASN98
BLEU99
BASP189
BALA190
BCYS191

site_idAC2
Number of Residues17
DetailsBINDING SITE FOR RESIDUE 0G6 E 1
ChainResidue
EPO42
EHIS57
ECYS58
ETYR60
EASN98
ELEU99
EILE174
EALA190
ECYS191
EGLU192
EGLY193
ESER195
ESER214
ETRP215
EGLY216
EGLY219
ECYS220

site_idAC3
Number of Residues3
DetailsBINDING SITE FOR RESIDUE PO4 B 248
ChainResidue
BLEU41
BGLY193
DARG15

site_idAC4
Number of Residues5
DetailsBINDING SITE FOR RESIDUE PO4 E 2
ChainResidue
E0G61
ELEU41
ECYS42
ECYS58
ELYS60

Functional Information from PROSITE/UniProt
site_idPS00134
Number of Residues6
DetailsTRYPSIN_HIS Serine proteases, trypsin family, histidine active site. LTAAHC
ChainResidueDetails
BLEU53-CYS58

site_idPS00135
Number of Residues12
DetailsTRYPSIN_SER Serine proteases, trypsin family, serine active site. DAceGDSGGPFV
ChainResidueDetails
BASP189-VAL200

Functional Information from SwissProt/UniProt
site_idSWS_FT_FI1
Number of Residues508
DetailsDomain: {"description":"Peptidase S1","evidences":[{"source":"PROSITE-ProRule","id":"PRU00274","evidenceCode":"ECO:0000255"}]}
ChainResidueDetails

site_idSWS_FT_FI2
Number of Residues44
DetailsRegion: {"description":"High affinity receptor-binding region which is also known as the TP508 peptide"}
ChainResidueDetails

site_idSWS_FT_FI3
Number of Residues6
DetailsActive site: {"description":"Charge relay system"}
ChainResidueDetails

site_idSWS_FT_FI4
Number of Residues2
DetailsGlycosylation: {"description":"N-linked (GlcNAc...) (complex) asparagine","evidences":[{"source":"PubMed","id":"16335952","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19139490","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19159218","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"19838169","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"873923","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

site_idSWS_FT_FI5
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine; by FAM20C","evidences":[{"source":"PubMed","id":"26091039","evidenceCode":"ECO:0000269"},{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI6
Number of Residues2
DetailsModified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"24275569","evidenceCode":"ECO:0007744"}]}
ChainResidueDetails

site_idSWS_FT_FI7
Number of Residues4
DetailsModified residue: {"description":"Phosphoserine; by FAM20C","evidences":[{"source":"PubMed","id":"26091039","evidenceCode":"ECO:0000269"}]}
ChainResidueDetails

Catalytic Information from CSA
site_idCSA1
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
BASP102
BSER195
BGLY193
BHIS57

site_idCSA2
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
EASP102
ESER195
EGLY193
EHIS57

site_idCSA3
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
BASP102
BSER195
BHIS57
BGLY196

site_idCSA4
Number of Residues4
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
EASP102
ESER195
EHIS57
EGLY196

site_idCSA5
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
BASP102
BSER195
BHIS57

site_idCSA6
Number of Residues3
DetailsAnnotated By Reference To The Literature 1a0j
ChainResidueDetails
EASP102
ESER195
EHIS57

246031

PDB entries from 2025-12-10

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