Hmdb loader

Showing Protein Haptoglobin (HMDBP02380)

IdentificationBiological propertiesGene propertiesProtein propertiesExternal linksReferencesXMLShow 1 metabolite
Identification
HMDB Protein ID HMDBP02380
Secondary Accession Numbers
  • 7870
Name Haptoglobin
Synonyms
  1. Haptoglobin alpha chain
  2. Haptoglobin beta chain
Gene Name HP
Protein Type Unknown
Biological Properties
General Function Involved in hemoglobin binding
Specific Function Haptoglobin combines with free plasma hemoglobin, preventing loss of iron through the kidneys and protecting the kidneys from damage by hemoglobin, while making the hemoglobin accessible to degradative enzymes
Pathways Not Available
Reactions Not Available
GO Classification
Component
extracellular region
Function
endopeptidase activity
serine-type endopeptidase activity
binding
catalytic activity
hydrolase activity
protein binding
peptidase activity
hemoglobin binding
peptidase activity, acting on l-amino acid peptides
Process
metabolic process
macromolecule metabolic process
protein metabolic process
proteolysis
Cellular Location
  1. Secreted
Gene Properties
Chromosome Location Chromosome:1
Locus 16q22.1
SNPs HP
Gene Sequence 
>1221 bp
ATGAGTGCCCTGGGAGCTGTCATTGCCCTCCTGCTCTGGGGACAGCTTTTTGCAGTGGAC
TCAGGCAATGATGTCACGGATATCGCAGATGACGGCTGCCCGAAGCCCCCCGAGATTGCA
CATGGCTATGTGGAGCACTCGGTTCGCTACCAGTGTAAGAACTACTACAAACTGCGCACA
GAAGGAGATGGAGTATACACCTTAAATAATAAGAAGCAGTGGATAAATAAGGCTGTTGGA
GATAAACTTCCTGAATGTGAAGCAGATGACGGCTGCCCGAAGCCCCCCGAGATTGCACAT
GGCTATGTGGAGCACTCGGTCCGCTACCAGTGTAAGAACTACTACAAACTGCGCACAGAA
GGAGATGGAGTGTACACCTTAAACAATGAGAAGCAGTGGATAAATAAGGCTGTTGGAGAT
AAACTTCCTGAATGTGAAGCAGTATGTGGGAAGCCCAAGAATCCGGCAAACCCAGTGCAG
CGGATCCTAGGTGGACACCTTGATGCCAAAGGCAGCTTTCCCTGGCAGGCTAAGATGGTT
TCCCACCATAATCTCACCACAGGTGCCACGCTGATCAATGAACAATGGCTGCTGACCACG
GCTAAAAATCTCTTCCTGAACCATTCAGAAAATGCAACAGCGAAAGACATTGCCCCTACT
TTAACACTCTATGTGGGGAAAAAGCAGCTTGTAGAGATTGAGAAGGTTGTTCTACACCCT
AACTACTCCCAGGTAGATATTGGGCTCATCAAACTCAAACAGAAGGTGTCTGTTAATGAG
AGAGTGATGCCCATCTGCCTACCTTCAAAGGATTATGCAGAAGTAGGGCGTGTGGGTTAT
GTTTCTGGCTGGGGGCGAAATGCCAATTTTAAATTTACTGACCATCTGAAGTATGTCATG
CTGCCTGTGGCTGACCAAGACCAATGCATAAGGCATTATGAAGGCAGCACAGTCCCCGAA
AAGAAGACACCGAAGAGCCCTGTAGGGGTGCAGCCCATACTGAATGAACACACCTTCTGT
GCTGGCATGTCTAAGTACCAAGAAGACACCTGCTATGGCGATGCGGGCAGTGCCTTTGCC
GTTCACGACCTGGAGGAGGACACCTGGTATGCGACTGGGATCTTAAGCTTTGATAAGAGC
TGTGCTGTGGCTGAGTATGGTGTGTATGTGAAGGTGACTTCCATCCAGGACTGGGTTCAG
AAGACCATAGCTGAGAACTAA
Protein Properties
Number of Residues 406
Molecular Weight 45205.1
Theoretical pI 6.56
Pfam Domain Function
Signals
  • 1-18
Transmembrane Regions
  • None
Protein Sequence 
>Haptoglobin
MSALGAVIALLLWGQLFAVDSGNDVTDIADDGCPKPPEIAHGYVEHSVRYQCKNYYKLRT
EGDGVYTLNDKKQWINKAVGDKLPECEADDGCPKPPEIAHGYVEHSVRYQCKNYYKLRTE
GDGVYTLNNEKQWINKAVGDKLPECEAVCGKPKNPANPVQRILGGHLDAKGSFPWQAKMV
SHHNLTTGATLINEQWLLTTAKNLFLNHSENATAKDIAPTLTLYVGKKQLVEIEKVVLHP
NYSQVDIGLIKLKQKVSVNERVMPICLPSKDYAEVGRVGYVSGWGRNANFKFTDHLKYVM
LPVADQDQCIRHYEGSTVPEKKTPKSPVGVQPILNEHTFCAGMSKYQEDTCYGDAGSAFA
VHDLEEDTWYATGILSFDKSCAVAEYGVYVKVTSIQDWVQKTIAEN
GenBank ID Protein 306882
UniProtKB/Swiss-Prot ID P00738
UniProtKB/Swiss-Prot Entry Name HPT_HUMAN
PDB IDs Not Available
GenBank Gene ID K00422
GeneCard ID HP
GenAtlas ID HP
HGNC ID HGNC:5141
References
General References
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  4. Liu T, Qian WJ, Gritsenko MA, Camp DG 2nd, Monroe ME, Moore RJ, Smith RD: Human plasma N-glycoproteome analysis by immunoaffinity subtraction, hydrazide chemistry, and mass spectrometry. J Proteome Res. 2005 Nov-Dec;4(6):2070-80. [PubMed:16335952 ]
  5. Bunkenborg J, Pilch BJ, Podtelejnikov AV, Wisniewski JR: Screening for N-glycosylated proteins by liquid chromatography mass spectrometry. Proteomics. 2004 Feb;4(2):454-65. [PubMed:14760718 ]
  6. Loftus BJ, Kim UJ, Sneddon VP, Kalush F, Brandon R, Fuhrmann J, Mason T, Crosby ML, Barnstead M, Cronin L, Deslattes Mays A, Cao Y, Xu RX, Kang HL, Mitchell S, Eichler EE, Harris PC, Venter JC, Adams MD: Genome duplications and other features in 12 Mb of DNA sequence from human chromosome 16p and 16q. Genomics. 1999 Sep 15;60(3):295-308. [PubMed:10493829 ]
  7. Ramachandran P, Boontheung P, Xie Y, Sondej M, Wong DT, Loo JA: Identification of N-linked glycoproteins in human saliva by glycoprotein capture and mass spectrometry. J Proteome Res. 2006 Jun;5(6):1493-503. [PubMed:16740002 ]
  8. Nilsson J, Ruetschi U, Halim A, Hesse C, Carlsohn E, Brinkmalm G, Larson G: Enrichment of glycopeptides for glycan structure and attachment site identification. Nat Methods. 2009 Nov;6(11):809-11. doi: 10.1038/nmeth.1392. Epub 2009 Oct 18. [PubMed:19838169 ]
  9. Kliffen M, de Jong PT, Luider TM: Protein analysis of human maculae in relation to age-related maculopathy. Lab Invest. 1995 Aug;73(2):267-72. [PubMed:7637327 ]
  10. Zhang H, Li XJ, Martin DB, Aebersold R: Identification and quantification of N-linked glycoproteins using hydrazide chemistry, stable isotope labeling and mass spectrometry. Nat Biotechnol. 2003 Jun;21(6):660-6. Epub 2003 May 18. [PubMed:12754519 ]
  11. vander Straten A, Herzog A, Jacobs P, Cabezon T, Bollen A: Molecular cloning of human haptoglobin cDNA: evidence for a single mRNA coding for alpha 2 and beta chains. EMBO J. 1983;2(6):1003-7. [PubMed:6688992 ]
  12. Yang F, Brune JL, Baldwin WD, Barnett DR, Bowman BH: Identification and characterization of human haptoglobin cDNA. Proc Natl Acad Sci U S A. 1983 Oct;80(19):5875-9. [PubMed:6310599 ]
  13. van der Straten A, Herzog A, Cabezon T, Bollen A: Characterization of human haptoglobin cDNAs coding for alpha 2FS beta and alpha 1S beta variants. FEBS Lett. 1984 Mar 12;168(1):103-7. [PubMed:6546723 ]
  14. Brune JL, Yang F, Barnett DR, Bowman BH: Evolution of haptoglobin: comparison of complementary DNA encoding Hp alpha 1S and Hp alpha 2FS. Nucleic Acids Res. 1984 Jun 11;12(11):4531-8. [PubMed:6330675 ]
  15. Bensi G, Raugei G, Klefenz H, Cortese R: Structure and expression of the human haptoglobin locus. EMBO J. 1985 Jan;4(1):119-26. [PubMed:4018023 ]
  16. Maeda N: Nucleotide sequence of the haptoglobin and haptoglobin-related gene pair. The haptoglobin-related gene contains a retrovirus-like element. J Biol Chem. 1985 Jun 10;260(11):6698-709. [PubMed:2987228 ]
  17. Erickson LM, Kim HS, Maeda N: Junctions between genes in the haptoglobin gene cluster of primates. Genomics. 1992 Dec;14(4):948-58. [PubMed:1478675 ]
  18. van der Straten A, Falque JC, Loriau R, Bollen A, Cabezon T: Expression of cloned human haptoglobin and alpha 1-antitrypsin complementary DNAs in Saccharomyces cerevisiae. DNA. 1986 Apr;5(2):129-36. [PubMed:3519135 ]
  19. Raugei G, Bensi G, Colantuoni V, Romano V, Santoro C, Costanzo F, Cortese R: Sequence of human haptoglobin cDNA: evidence that the alpha and beta subunits are coded by the same mRNA. Nucleic Acids Res. 1983 Sep 10;11(17):5811-9. [PubMed:6310515 ]
  20. Maeda N, Yang F, Barnett DR, Bowman BH, Smithies O: Duplication within the haptoglobin Hp2 gene. Nature. 1984 May 10-16;309(5964):131-5. [PubMed:6325933 ]
  21. Kurosky A, Barnett DR, Lee TH, Touchstone B, Hay RE, Arnott MS, Bowman BH, Fitch WM: Covalent structure of human haptoglobin: a serine protease homolog. Proc Natl Acad Sci U S A. 1980 Jun;77(6):3388-92. [PubMed:6997877 ]
  22. Malchy B, Dixon GH: Studies on the interchain disulfides of human haptoglobins. Can J Biochem. 1973 Mar;51(3):249-64. [PubMed:4573324 ]