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   Fibrinogen gamma chain

SourceHomo sapiens (human)
Taxonomy Homo sapiens Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo.
Keywords3D-structure; Alternative splicing; Blood coagulation; Calcium; Coiled coil; Complete proteome; Direct protein sequencing; Disease mutation; Disulfide bond; Glycoprotein; Isopeptide bond; Polymorphism; Secreted; Signal; Sulfation.
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. Sulfation of C-terminal tyrosines increases affinity for thrombin.

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).

Disease: Defects in FGG are a cause of thrombophilia. Defects in FGG are a cause of congenital afibrinogenemia

Alternative products: Event=Alternative splicing; Named isoforms=2; Name=Gamma-B; Synonyms=Gamma'; IsoId=P02679-1; Sequence=Displayed; Note=Present in about 10% of the fibrinogen molecules in plasma but absent from those in the platelets; Name=Gamma-A; IsoId=P02679-2; Sequence=VSP_001537.

Sequence length: 453 AA.

Sequence
MSWSLHPRNLILYFYALLFLSSTCVAYVATRDNCCILDERFGSYCPTTCGIADFLSTYQT
KVDKDLQSLEDILHQVENKTSEVKQLIKAIQLTYNPDESSKPNMIDAATLKSRKMLEEIM
KYEASILTHDSSIRYLQEIYNSNNQKIVNLKEKVAQLEAQCQEPCKDTVQIHDITGKDCQ
DIANKGAKQSGLYFIKPLKANQQFLVYCEIDGSGNGWTVFQKRLDGSVDFKKNWIQYKEG
FGHLSPTGTTEFWLGNEKIHLISTQSAIPYALRVELEDWNGRTSTADYAMFKVGPEADKY
RLTYAYFAGGDAGDAFDGFDFGDDPSDKFFTSHNGMQFSTWDNDNDKFEGNCAEQDGSGW
WMNKCHAGHLNGVYYQGGTYSKASTPNGYDNGIIWATWKTRWYSMKKTTMKIIPFNRLTI
GEGQQHHLGGAKQVRPEHPAETEYDSLYPEDDL
Accession NumberP02679 
PubMed ID6688357, 2990550, 14702039, 15489334, 8509453, 1685103, 6689067, 6092346, 7654933, 7306501, 6575689, 936108, 6860649, 1892842, 11307817, 6383194, 6592597, 6451630, 6326808, 6325435, 3160702, 6933547, 14760718, 16335952, 16263699, 18780401, 19159218, 9016719, 9207064, 9333233, 9628725, 10074346, 2496144, 1421174, 2257302, 2328317, 8400260, 2971046, 2819242, 3708159, 7841300, 8080993, 2738036, 2971042, 1455400, 1733971, 8470043, 3337908, 2071611, 3563970, 2976995, 11435303, 10391209, 11986213 
CEX DBHS_FGG
CTD DB2266
DIP DBDIP-29644N
eggNOG DBprNOG14762
Ensembl DBENST00000336098
CATHG3DSA:3.90.215.10, G3DSA:4.10.530.10, G3DSA:1.20.5.50
Genecard DBGC04M155744
GeneID DB2266
GermOnline DBENSG00000171557
GO DB0009897, 0005577, 0031093, 0005509, 0043499, 0030674, 0005102, 0030168, 0051258, 0051592, 0007165
HGNC DB3694
InterPro DBIPR002181, IPR014716, IPR014715, IPR012290, IPR014814, IPR020837
H-InvDBHIX0004586
IPI DBIPI00021891, IPI00219713, REPRODUCTION-2DPAGE:IPI00219713
KEGGhsa:2266
NCBIM10014, AAB59530, AAB59531, AF118092, AAF22036, AF350254.2, AAK19751.2, AAK19752.2, AK289422, BAF82111, AK290824, BAF83513, BT007081, AAP35744, CH471056.2, EAX04917, EAX04919, BC007044, AAH07044, BC021674, AAH21674, X51473, CAA35837, X00086, CAA24944, K02569, AAA52430, AAA52431, NP_000500.2, NP_068656.2
OMIM105200, 134820, 202400, 134830, 202400, 134850, 202400
Orphanet DB335, 98880, 98881, 101041
PDB1DUG_A, 1DUG_B, 1FIB_A, 1FIC_A, 1FIC_B, 1FID_A, 1FZA_C, 1FZA_F, 1FZB_C, 1FZB_F, 1FZC_C, 1FZC_F, 1FZE_C, 1FZE_F, 1FZF_C, 1FZF_F, 1FZG_C, 1FZG_F, 1LT9_C, 1LT9_F, 1LTJ_C, 1LTJ_F, 1N86_C, 1N86_F, 1N8E_C, 1N8E_F, 1RE3_C, 1RE3_F, 1RE4_C, 1RE4_F, 1RF0_C, 1RF0_F, 1RF1_C, 1RF1_F, 2A45_I, 2A45_L, 2FFD_C, 2FFD_F, 2FIB_A, 2H43_C, 2H43_F, 2HLO_C, 2HLO_F, 2HOD_C, 2HOD_F, 2HOD_I, 2HOD_L, 2HPC_C, 2HPC_F, 2HPC_I, 2HPC_L, 2HWL_P, 2OYH_C, 2OYH_F, 2OYI_C, 2OYI_F, 2Q9I_C, 2Q9I_F, 2VDO_C, 2VDP_C, 2VDQ_C, 2VDR_C, 2VR3_C, 2VR3_D, 2Z4E_C, 2Z4E_F, 3BVH_C, 3BVH_F, 3E1I_C, 3E1I_F, 3FIB_A, 3GHG_C, 3GHG_F, 3GHG_I, 3GHG_L, 3H32_C, 3H32_F, 3HUS_C, 3HUS_F
PfamPF08702, PF00147
PharmaGKBPA430
PROSITE DBPS00514, PS51406
SMART DBSM00186
UCSCuc003ioj.1
UniGeneHs.546255



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