NameVitamin K-dependent protein S
Synonyms
  • PROS
Gene NamePROS1
OrganismHuman
Amino acid sequence
>lcl|BSEQ0001878|Vitamin K-dependent protein S
MRVLGGRCGALLACLLLVLPVSEANFLSKQQASQVLVRKRRANSLLEETKQGNLERECIE
ELCNKEEAREVFENDPETDYFYPKYLVCLRSFQTGLFTAARQSTNAYPDLRSCVNAIPDQ
CSPLPCNEDGYMSCKDGKASFTCTCKPGWQGEKCEFDINECKDPSNINGGCSQICDNTPG
SYHCSCKNGFVMLSNKKDCKDVDECSLKPSICGTAVCKNIPGDFECECPEGYRYNLKSKS
CEDIDECSENMCAQLCVNYPGGYTCYCDGKKGFKLAQDQKSCEVVSVCLPLNLDTKYELL
YLAEQFAGVVLYLKFRLPEISRFSAEFDFRTYDSEGVILYAESIDHSAWLLIALRGGKIE
VQLKNEHTSKITTGGDVINNGLWNMVSVEELEHSISIKIAKEAVMDINKPGPLFKPENGL
LETKVYFAGFPRKVESELIKPINPRLDGCIRSWNLMKQGASGIKEIIQEKQNKHCLVTVE
KGSYYPGSGIAQFHIDYNNVSSAEGWHVNVTLNIRPSTGTGVMLALVSGNNTVPFAVSLV
DSTSEKSQDILLSVENTVIYRIQALSLCSDQQSHLEFRVNRNNLELSTPLKIETISHEDL
QRQLAVLDKAMKAKVATYLGGLPDVPFSATPVNAFYNGCMEVNINGVQLDLDEAISKHND
IRAHSCPSVWKKTKNS
Number of residues676
Molecular Weight75121.905
Theoretical pI5.37
GO Classification
Functions
  • endopeptidase inhibitor activity
  • calcium ion binding
Processes
  • post-translational protein modification
  • proteolysis
  • fibrinolysis
  • positive regulation of phagocytosis
  • peptidyl-glutamic acid carboxylation
  • response to lipopolysaccharide
  • negative regulation of endopeptidase activity
  • regulation of complement activation
  • platelet activation
  • innate immune response
  • leukocyte migration
  • cellular protein metabolic process
  • blood coagulation
  • platelet degranulation
Components
  • blood microparticle
  • extracellular region
  • Golgi lumen
  • plasma membrane
  • extracellular space
  • endoplasmic reticulum membrane
  • extracellular exosome
  • Golgi membrane
  • protein complex
  • platelet alpha granule lumen
General FunctionEndopeptidase inhibitor activity
Specific FunctionAnticoagulant plasma protein; it is a cofactor to activated protein C in the degradation of coagulation factors Va and VIIIa. It helps to prevent coagulation and stimulating fibrinolysis.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein ID190289
UniProtKB IDP07225
UniProtKB Entry NamePROS_HUMAN
Cellular LocationSecreted
Gene sequence
>lcl|BSEQ0016264|Vitamin K-dependent protein S (PROS1)
ATGAGGGTCCTGGGTGGGCGCTGCGGGGCGCTGCTGGCGTGTCTCCTCCTAGTGCTTCCC
GTCTCAGAGGCAAACTTTTTGTCAAAGCAACAGGCTTCACAAGTCCTGGTTAGGAAGCGT
CGTGCAAATTCTTTACTTGAAGAAACCAAACAGGGTAATCTTGAAAGAGAATGCATCGAA
GAACTGTGCAATAAAGAAGAAGCCAGGGAGGTCTTTGAAAATGACCCGGAAACGGATTAT
TTTTATCCAAAATACTTAGTTTGTCTTCGCTCTTTTCAAACTGGGTTATTCACTGCTGCA
CGTCAGTCAACTAATGCTTATCCTGACCTAAGAAGCTGTGTCAATGCCATTCCAGACCAG
TGTAGTCCTCTGCCATGCAATGAAGATGGATATATGAGCTGCAAAGATGGAAAAGCTTCT
TTTACTTGCACTTGTAAACCAGGTTGGCAAGGAGAAAAGTGTGAATTTGACATAAATGAA
TGCAAAGATCCCTCAAATATAAATGGAGGTTGCAGTCAAATTTGTGATAATACACCTGGA
AGTTACCACTGTTCCTGTAAAAATGGTTTTGTTATGCTTTCAAATAAGAAAGATTGTAAA
GATGTGGATGAATGCTCTTTGAAGCCAAGCATTTGTGGCACAGCTGTGTGCAAGAACATC
CCAGGAGATTTTGAATGTGAATGCCCCGAAGGCTACAGATATAATCTCAAATCAAAGTCT
TGTGAAGATATAGATGAATGCTCTGAGAACATGTGTGCTCAGCTTTGTGTCAATTACCCT
GGAGGTTACACTTGCTATTGTGATGGGAAGAAAGGATTCAAACTTGCCCAAGATCAGAAG
AGTTGTGAGGTTGTTTCAGTGTGCCTTCCCTTGAACCTTGACACAAAGTATGAATTACTT
TACTTGGCGGAGCAGTTTGCAGGGGTTGTTTTATATTTAAAATTTCGTTTGCCAGAAATC
AGCAGATTTTCAGCAGAATTTGATTTCCGGACATATGATTCAGAAGGCGTGATACTGTAC
GCAGAATCTATCGATCACTCAGCGTGGCTCCTGATTGCACTTCGTGGTGGAAAGATTGAA
GTTCAGCTTAAGAATGAACATACATCCAAAATCACAACTGGAGGTGATGTTATTAATAAT
GGTCTATGGAATATGGTGTCTGTGGAAGAATTAGAACATAGTATTAGCATTAAAATAGCT
AAAGAAGCTGTGATGGATATAAATAAACCTGGACCCCTTTTTAAGCCGGAAAATGGATTG
CTGGAAACCAAAGTATACTTTGCAGGATTCCCTCGGAAAGTGGAAAGTGAACTCATTAAA
CCGATTAACCCTCGTCTAGATGGATGTATACGAAGCTGGAATTTGATGAAGCAAGGAGCT
TCTGGAATAAAGGAAATTATTCAAGAAAAACAAAATAAGCATTGCCTGGTTACTGTGGAG
AAGGGCTCCTACTATCCTGGTTCTGGAATTGCTCAATTTCACATAGATTATAATAATGTA
TCCAGTGCTGAGGGTTGGCATGTAAATGTGACCTTGAATATTCGTCCATCCACGGGCACT
GGTGTTATGCTTGCCTTGGTTTCTGGTAACAACACAGTGCCCTTTGCTGTGTCCTTGGTG
GACTCCACCTCTGAAAAATCACAGGATATTCTGTTATCTGTTGAAAATACTGTAATATAT
CGGATACAGGCCCTAAGTCTATGTTCCGATCAACAATCTCATCTGGAATTTAGAGTCAAC
AGAAACAATCTGGAGTTGTCGACACCACTTAAAATAGAAACCATCTCCCATGAAGACCTT
CAAAGACAACTTGCCGTCTTGGACAAAGCAATGAAAGCAAAAGTGGCCACATACCTGGGT
GGCCTTCCAGATGTTCCATTCAGTGCCACACCAGTGAATGCCTTTTATAATGGCTGCATG
GAAGTGAATATTAATGGTGTACAGTTGGATCTGGATGAAGCCATTTCTAAACATAATGAT
ATTAGAGCTCACTCATGTCCATCAGTTTGGAAAAAGACAAAGAATTCTTAA
GenBank Gene IDM15036
GeneCard IDNot Available
GenAtlas IDPROS1
HGNC IDHGNC:9456
Chromosome Location3
Locus3q11.2
References
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  2. Hoskins J, Norman DK, Beckmann RJ, Long GL: Cloning and characterization of human liver cDNA encoding a protein S precursor. Proc Natl Acad Sci U S A. 1987 Jan;84(2):349-53. 3467362
  3. Schmidel DK, Tatro AV, Phelps LG, Tomczak JA, Long GL: Organization of the human protein S genes. Biochemistry. 1990 Aug 28;29(34):7845-52. 2148110
  4. Ploos van Amstel HK, Reitsma PH, van der Logt CP, Bertina RM: Intron-exon organization of the active human protein S gene PS alpha and its pseudogene PS beta: duplication and silencing during primate evolution. Biochemistry. 1990 Aug 28;29(34):7853-61. 2148111
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  13. Hayashi T, Nishioka J, Shigekiyo T, Saito S, Suzuki K: Protein S Tokushima: abnormal molecule with a substitution of Glu for Lys-155 in the second epidermal growth factor-like domain of protein S. Blood. 1994 Feb 1;83(3):683-90. 8298131
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  28. Espinosa-Parrilla Y, Morell M, Borrell M, Souto JC, Fontcuberta J, Estivill X, Sala N: Optimization of a simple and rapid single-strand conformation analysis for detection of mutations in the PROS1 gene: identification of seven novel mutations and three novel, apparently neutral, variants. Hum Mutat. 2000;15(5):463-73. 10790208
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  38. Fischer D, Porto L, Stoll H, Geisen C, Schloesser RL: Intracerebral mass bleeding in a term neonate: manifestation of hereditary protein S deficiency with a new mutation in the PROS1 gene. Neonatology. 2010;98(4):337-40. doi: 10.1159/000298282. Epub 2010 May 20. 20484936