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Identification
HMDB Protein ID HMDBP07977
Secondary Accession Numbers
  • 13688
Name Protein S100-B
Synonyms
  1. S-100 protein beta chain
  2. S-100 protein subunit beta
  3. S100 calcium-binding protein B
Gene Name S100B
Protein Type Unknown
Biological Properties
General Function Involved in calcium ion binding
Specific Function Weakly binds calcium but binds zinc very tightly- distinct binding sites with different affinities exist for both ions on each monomer. Physiological concentrations of potassium ion antagonize the binding of both divalent cations, especially affecting high-affinity calcium-binding sites. Binds to and initiates the activation of STK38 by releasing autoinhibitory intramolecular interactions within the kinase. Interaction with AGER after myocardial infarction may play a role in myocyte apoptosis by activating ERK1/2 and p53/TP53 signaling
Pathways Not Available
Reactions Not Available
GO Classification
Function
ion binding
cation binding
metal ion binding
binding
calcium ion binding
Cellular Location
  1. Nucleus
  2. Cytoplasm
Gene Properties
Chromosome Location Chromosome:2
Locus 21q22.3
SNPs S100B
Gene Sequence
>279 bp
ATGTCTGAGCTGGAGAAGGCCATGGTGGCCCTCATCGACGTTTTCCACCAATATTCTGGA
AGGGAGGGAGACAAGCACAAGCTGAAGAAATCCGAACTGAAGGAGCTCATCAACAATGAG
CTTTCCCATTTCTTAGAGGAAATCAAAGAGCAGGAGGTTGTGGACAAAGTCATGGAAACA
CTGGACAATGATGGAGACGGCGAATGTGACTTCCAGGAATTCATGGCCTTTGTTGCCATG
GTTACTACTGCCTGCCACGAGTTCTTTGAACATGAGTGA
Protein Properties
Number of Residues 92
Molecular Weight 10713.0
Theoretical pI 4.25
Pfam Domain Function
Signals
  • None
Transmembrane Regions
  • None
Protein Sequence
>Protein S100-B
MSELEKAMVALIDVFHQYSGREGDKHKLKKSELKELINNELSHFLEEIKEQEVVDKVMET
LDNDGDGECDFQEFMAFVAMVTTACHEFFEHE
GenBank ID Protein 5454034
UniProtKB/Swiss-Prot ID P04271
UniProtKB/Swiss-Prot Entry Name S100B_HUMAN
PDB IDs
GenBank Gene ID NM_006272.2
GeneCard ID S100B
GenAtlas ID S100B
HGNC ID HGNC:10500
References
General References
  1. 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 ]
  2. Hattori M, Fujiyama A, Taylor TD, Watanabe H, Yada T, Park HS, Toyoda A, Ishii K, Totoki Y, Choi DK, Groner Y, Soeda E, Ohki M, Takagi T, Sakaki Y, Taudien S, Blechschmidt K, Polley A, Menzel U, Delabar J, Kumpf K, Lehmann R, Patterson D, Reichwald K, Rump A, Schillhabel M, Schudy A, Zimmermann W, Rosenthal A, Kudoh J, Schibuya K, Kawasaki K, Asakawa S, Shintani A, Sasaki T, Nagamine K, Mitsuyama S, Antonarakis SE, Minoshima S, Shimizu N, Nordsiek G, Hornischer K, Brant P, Scharfe M, Schon O, Desario A, Reichelt J, Kauer G, Blocker H, Ramser J, Beck A, Klages S, Hennig S, Riesselmann L, Dagand E, Haaf T, Wehrmeyer S, Borzym K, Gardiner K, Nizetic D, Francis F, Lehrach H, Reinhardt R, Yaspo ML: The DNA sequence of human chromosome 21. Nature. 2000 May 18;405(6784):311-9. [PubMed:10830953 ]
  3. Allore RJ, Friend WC, O'Hanlon D, Neilson KM, Baumal R, Dunn RJ, Marks A: Cloning and expression of the human S100 beta gene. J Biol Chem. 1990 Sep 15;265(26):15537-43. [PubMed:2394738 ]
  4. Jensen R, Marshak DR, Anderson C, Lukas TJ, Watterson DM: Characterization of human brain S100 protein fraction: amino acid sequence of S100 beta. J Neurochem. 1985 Sep;45(3):700-5. [PubMed:4031854 ]
  5. Baudier J, Glasser N, Haglid K, Gerard D: Purification, characterization and ion binding properties of human brain S100b protein. Biochim Biophys Acta. 1984 Oct 23;790(2):164-73. [PubMed:6487634 ]
  6. Yang Q, O'Hanlon D, Heizmann CW, Marks A: Demonstration of heterodimer formation between S100B and S100A6 in the yeast two-hybrid system and human melanoma. Exp Cell Res. 1999 Feb 1;246(2):501-9. [PubMed:9925766 ]
  7. Smith SP, Shaw GS: A novel calcium-sensitive switch revealed by the structure of human S100B in the calcium-bound form. Structure. 1998 Feb 15;6(2):211-22. [PubMed:9519411 ]
  8. McClintock KA, Shaw GS: A novel S100 target conformation is revealed by the solution structure of the Ca2+-S100B-TRTK-12 complex. J Biol Chem. 2003 Feb 21;278(8):6251-7. Epub 2002 Dec 11. [PubMed:12480931 ]