Result

Untitled Document

  Kallikrein

SourceHomo sapiens (human)
Taxonomy Homo sapiens Eukaryota; Metazoa; Chordata; Craniata; Vertebrata; Euteleostomi; Mammalia; Eutheria; Euarchontoglires; Primates; Haplorrhini; Catarrhini; Hominidae; Homo.
Keywords3D-structure; Blood coagulation; Complete proteome; Direct protein sequencing; Disease mutation; Disulfide bond; Fibrinolysis; Glycoprotein; Hydrolase; Inflammatory response; Polymorphism; Protease; Repeat; Secreted; Serine protease; Signal; Zymogen.
Details
Function: The enzyme cleaves Lys-Arg and Arg-Ser bonds. It activates, in a reciprocal reaction, factor XII after its binding to a negatively charged surface. It also releases bradykinin from HMW kininogen and may also play a role in the renin-angiotensin system by converting prorenin into renin.

Similarity: Belongs to the peptidase S1 family. Plasma kallikrein subfamily. Contains 4 apple domains. Contains 1 peptidase S1 domain.

Subcellular location: Secreted.

Subunit structure: The zymogen is activated by factor XIIa, which cleaves the molecule into a light chain, which contains the active site, and a heavy chain, which associates with HMW kininogen. These chains are linked by one or more disulfide bonds.

Disease: Defects in KLKB1 are the cause of prekallikrein deficiency (PKK deficiency)

Sequence length: 638 AA.

Sequence
MILFKQATYFISLFATVSCGCLTQLYENAFFRGGDVASMYTPNAQYCQMRCTFHPRCLLF
SFLPASSINDMEKRFGCFLKDSVTGTLPKVHRTGAVSGHSLKQCGHQISACHRDIYKGVD
MRGVNFNVSKVSSVEECQKRCTNNIRCQFFSYATQTFHKAEYRNNCLLKYSPGGTPTAIK
VLSNVESGFSLKPCALSEIGCHMNIFQHLAFSDVDVARVLTPDAFVCRTICTYHPNCLFF
TFYTNVWKIESQRNVCLLKTSESGTPSSSTPQENTISGYSLLTCKRTLPEPCHSKIYPGV
DFGGEELNVTFVKGVNVCQETCTKMIRCQFFTYSLLPEDCKEEKCKCFLRLSMDGSPTRI
AYGTQGSSGYSLRLCNTGDNSVCTTKTSTRIVGGTNSSWGEWPWQVSLQVKLTAQRHLCG
GSLIGHQWVLTAAHCFDGLPLQDVWRIYSGILNLSDITKDTPFSQIKEIIIHQNYKVSEG
NHDIALIKLQAPLNYTEFQKPICLPSKGDTSTIYTNCWVTGWGFSKEKGEIQNILQKVNI
PLVTNEECQKRYQDYKITQRMVCAGYKEGGKDACKGDSGGPLVCKHNGMWRLVGITSWGE
GCARREQPGVYTKVAEYMDWILEKTQSSDGKAQMQSPA
Accession NumberP03952 
PubMed ID3521732, 11031105, 14702039, 15489334, 1998666, 12754519, 16335952, 19159218, 14652634, 17598838 
CEX DBHS_KLK3, HS_KLKB1
CTD DB3818
Ensembl DBENST00000264690
Genecard DBGC04P187385
GeneID DB3818
GermOnline DBENSG00000164344
GO DB0005737, 0005615, 0004252, 0007596, 0002542, 0042730, 0031639, 0051919, 0006508
HGNC DB6371
HOGENOM DBHBG281927
HPA DBHPA005634
InterPro DBIPR000177, IPR003014, IPR003609, IPR018114, IPR001254, IPR001314, IPR009003
H-InvDBHIX0031513
IPI DBIPI00654888
KEGGhsa:3818
NCBIM13143.2, AAA60153, AF232742, AAF79940, AF232734, AF232735, AF232736, AF232737, AF232738, AF232739, AF232740, AF232741, AK313378, BAG36176, AY190920, AAN84794, BC117349, AAI17350, BC117351, AAI17352, NP_000883.2
OMIM105200, 134820, 202400, 134830, 202400, 134850, 202400, 176930, 601367, 134390, 188055, 227400, 600880, 601367, 612309, 227500, 134500, 306700, 300746, 306900, 227600, 176860, 188050, 612283, 612304, 176880, 612336, 264900, 612416, 234000, 610618, 610619, 229000, 612423
Orphanet DB749
PDBKLKB1_HUMAN, 2ANW_A, 2ANY_A
PfamPF00024, PF00089
PharmaGKBPA30160
PROSITE DBPS00495, PS50948, PS50240, PS00134, PS00135
SMART DBSM00223, SM00020
UniGeneHs.237642



Useful Links

©Biomedical Informatics Centre, NIRRH, Mumbai