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Identification
HMDB Protein ID HMDBP02240
Secondary Accession Numbers
  • 7725
Name Calcium-binding protein p22
Synonyms
  1. Calcineurin B homolog
  2. Calcineurin homologous protein
  3. Calcium-binding protein CHP
Gene Name CHP
Protein Type Unknown
Biological Properties
General Function Involved in calcium ion binding
Specific Function Required for constitutive membrane traffic. Inhibits GTPase-stimulated Na(+)/H(+) exchange. Also inhibits calcineurin phosphatase activity. Required for activity of SLC9A1/NHE1
Pathways Not Available
Reactions Not Available
GO Classification
Function
ion binding
cation binding
metal ion binding
binding
calcium ion binding
Cellular Location
  1. Cytoplasm
Gene Properties
Chromosome Location Chromosome:1
Locus 15q13.3
SNPs CHP
Gene Sequence
>588 bp
ATGGGTTCTCGGGCCTCCACGTTACTGCGGGACGAAGAGCTCGAGGAGATCAAGAAGGAG
ACCGGCTTTTCCCACAGTCAAATCACTCGCCTCTACAGCCGGTTCACCAGCCTGGACAAA
GGAGAGAATGGGACTCTCAGCCGGGAAGATTTCCAGAGGATTCCAGAACTTGCCATCAAC
CCACTGGGGGACCGGATCATCAATGCCTTCTTTCCAGAGGGAGAGGACCAGGTAAACTTC
CGTGGATTCATGCGAACTTTGGCTCATTTCCGCCCCATTGAGGATAATGAAAAGAGCAAA
GATGTGAATGGACCCGAACCACTCAACAGCCGAAGCAACAAACTGCACTTTGCTTTTCGA
CTATATGATTTGGATAAAGATGAAAAGATCTCCCGTGATGAGCTGTTACAGGTGCTACGC
ATGATGGTCGGAGTAAATATCTCAGATGAGCAGCTGGGCAGCATCGCAGACAGGACCATT
CAGGAGGCTGATCAGGATGGGGACAGTGCCATATCTTTCACAGAATTTGTTAAGGTTTTG
GAGAAGGTGGATGTAGAACAGAAAATGAGCATCCGATTTCTTCACTAA
Protein Properties
Number of Residues 195
Molecular Weight 22456.0
Theoretical pI 4.73
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • None
Protein Sequence
>Calcium-binding protein p22
MGSRASTLLRDEELEEIKKETGFSHSQITRLYSRFTSLDKGENGTLSREDFQRIPELAIN
PLGDRIINAFFPEGEDQVNFRGFMRTLAHFRPIEDNEKSKDVNGPEPLNSRSNKLHFAFR
LYDLDKDEKISRDELLQVLRMMVGVNISDEQLGSIADRTIQEADQDGDSAISFTEFVKVL
EKVDVEQKMSIRFLH
GenBank ID Protein 189069138
UniProtKB/Swiss-Prot ID Q99653
UniProtKB/Swiss-Prot Entry Name CHP1_HUMAN
PDB IDs Not Available
GenBank Gene ID AK312582
GeneCard ID CHP
GenAtlas ID Not Available
HGNC ID Not Available
References
General References
  1. Ota T, Suzuki Y, Nishikawa T, Otsuki T, Sugiyama T, Irie R, Wakamatsu A, Hayashi K, Sato H, Nagai K, Kimura K, Makita H, Sekine M, Obayashi M, Nishi T, Shibahara T, Tanaka T, Ishii S, Yamamoto J, Saito K, Kawai Y, Isono Y, Nakamura Y, Nagahari K, Murakami K, Yasuda T, Iwayanagi T, Wagatsuma M, Shiratori A, Sudo H, Hosoiri T, Kaku Y, Kodaira H, Kondo H, Sugawara M, Takahashi M, Kanda K, Yokoi T, Furuya T, Kikkawa E, Omura Y, Abe K, Kamihara K, Katsuta N, Sato K, Tanikawa M, Yamazaki M, Ninomiya K, Ishibashi T, Yamashita H, Murakawa K, Fujimori K, Tanai H, Kimata M, Watanabe M, Hiraoka S, Chiba Y, Ishida S, Ono Y, Takiguchi S, Watanabe S, Yosida M, Hotuta T, Kusano J, Kanehori K, Takahashi-Fujii A, Hara H, Tanase TO, Nomura Y, Togiya S, Komai F, Hara R, Takeuchi K, Arita M, Imose N, Musashino K, Yuuki H, Oshima A, Sasaki N, Aotsuka S, Yoshikawa Y, Matsunawa H, Ichihara T, Shiohata N, Sano S, Moriya S, Momiyama H, Satoh N, Takami S, Terashima Y, Suzuki O, Nakagawa S, Senoh A, Mizoguchi H, Goto Y, Shimizu F, Wakebe H, Hishigaki H, Watanabe T, Sugiyama A, Takemoto M, Kawakami B, Yamazaki M, Watanabe K, Kumagai A, Itakura S, Fukuzumi Y, Fujimori Y, Komiyama M, Tashiro H, Tanigami A, Fujiwara T, Ono T, Yamada K, Fujii Y, Ozaki K, Hirao M, Ohmori Y, Kawabata A, Hikiji T, Kobatake N, Inagaki H, Ikema Y, Okamoto S, Okitani R, Kawakami T, Noguchi S, Itoh T, Shigeta K, Senba T, Matsumura K, Nakajima Y, Mizuno T, Morinaga M, Sasaki M, Togashi T, Oyama M, Hata H, Watanabe M, Komatsu T, Mizushima-Sugano J, Satoh T, Shirai Y, Takahashi Y, Nakagawa K, Okumura K, Nagase T, Nomura N, Kikuchi H, Masuho Y, Yamashita R, Nakai K, Yada T, Nakamura Y, Ohara O, Isogai T, Sugano S: Complete sequencing and characterization of 21,243 full-length human cDNAs. Nat Genet. 2004 Jan;36(1):40-5. Epub 2003 Dec 21. [PubMed:14702039 ]
  2. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. [PubMed:15489334 ]
  3. Lin X, Barber DL: A calcineurin homologous protein inhibits GTPase-stimulated Na-H exchange. Proc Natl Acad Sci U S A. 1996 Oct 29;93(22):12631-6. [PubMed:8901634 ]
  4. Lin X, Sikkink RA, Rusnak F, Barber DL: Inhibition of calcineurin phosphatase activity by a calcineurin B homologous protein. J Biol Chem. 1999 Dec 17;274(51):36125-31. [PubMed:10593895 ]
  5. Pang T, Su X, Wakabayashi S, Shigekawa M: Calcineurin homologous protein as an essential cofactor for Na+/H+ exchangers. J Biol Chem. 2001 May 18;276(20):17367-72. Epub 2001 Feb 28. [PubMed:11350981 ]
  6. Mishima M, Wakabayashi S, Kojima C: Solution structure of the cytoplasmic region of Na+/H+ exchanger 1 complexed with essential cofactor calcineurin B homologous protein 1. J Biol Chem. 2007 Jan 26;282(4):2741-51. Epub 2006 Oct 18. [PubMed:17050540 ]