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   Fibrinogen gamma chain

SourceRattus norvegicus (Norway rat)
Taxonomy Rattus norvegicus Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Glires; Rodentia; Sciurognathi; Muroidea; Muridae; Murinae; Rattus.
KeywordsAlternative splicing; Blood coagulation; Calcium; Coiled coil; Direct protein sequencing; Disulfide bond; Glycoprotein; Isopeptide bond; Secreted; Signal.
Details
Function: Fibrinogen has a double function: yielding monomers that polymerize into fibrin and acting as a cofactor in platelet aggregation.

Post-translational modification: Conversion of fibrinogen to fibrin is triggered by thrombin, which cleaves fibrinopeptides A and B from alpha and beta chains, and thus exposes the N-terminal polymerization sites responsible for the formation of the soft clot. The soft clot is converted into the hard clot by factor XIIIA which catalyzes the epsilon-(gamma-glutamyl)lysine cross-linking between gamma chains (stronger) and between alpha chains (weaker) of different monomers.

Similarity: Contains 1 fibrinogen C-terminal domain.

Subcellular location: Secreted.

Subunit structure: Heterohexamer; disulfide linked. Contains 2 sets of 3 non-identical chains (alpha, beta and gamma). The 2 heterotrimers are in head to head conformation with the N-termini in a small central domain (By similarity).

Alternative products: Event=Alternative splicing; Named isoforms=2; Name=Gamma-B; IsoId=P02680-1; Sequence=Displayed; Name=Gamma-A; IsoId=P02680-2; Sequence=VSP_001538, VSP_001539.

Sequence length: 445 AA.

Sequence
MNWSLQLRSFILCWALLLLSPTGLAQYTATRDNCCILDERFGSYCPTTCGISDFLNSYQT
DVDTDLQTLENILQRAENRTTEAKELIKAIQVYYNPDQPPKPGMIEGATQKSKKMVEEIL
KYEALLLTHESSIRYLQDIYTSNKQKITNLKQKVAQLEAQCQEPCKDSVRIHDTTGKDCQ
DIANKGAKESGLYFIRPLKATQQFLVYCEIDGSGNGWTVLQKRLDGSVDFKKNWIQYKEG
FGHLSPTGTTEFWLGNEKIHLISMQSTIPYALRIQLKDWSGRTSTADYAMFRVGPESDKY
RLTYAYFIGGDAGDAFDGYDFGDDPSDKFFTSHNGMHFSTWDNDNDKFEGNCAEQDGSGW
WMNKCHAGHLNGVYYQGGTYSKSSTPNGYDNGIIWATWKTRWYSMKETTMKIIPFNRLSI
GDGQQHHMGGSKQVSVEHEVDVEYP
Accession NumberP02680 
PubMed ID6897622, 3562236, 15489334, 6232608 
CTD DB24367
eggNOG DBroNOG10898
Ensembl DBENSRNOT00000034521
CATHG3DSA:3.90.215.10, G3DSA:4.10.530.10, G3DSA:1.20.5.50
GeneID DB24367
GermOnline DBENSRNOG00000025074
GO DB0005577, 0005509, 0030674, 0005102, 0006954, 0030168, 0051258, 0007165
InterPro DBIPR002181, IPR014716, IPR014715, IPR012290, IPR014814, IPR020837
IPI DBIPI00190759, IPI00230944
KEGGrno:24367
NCBIJ00733, J00734, J00735, X05860, CAA29289, X05861, BC078893, AAH78893, K01337, AAA98626, NP_036691.2
OMADNDKFEG
OMIM105200, 134820, 202400, 134830, 202400, 134850, 202400
OrthoDBEOG9T1M5T
PfamPF08702, PF00147
PROSITE DBPS00514, PS51406
SMART DBSM00186
UCSCNM_012559
UniGeneRn.1702



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