2cnp Summary



The structure was published by Maler, L., Potts, B.C., and Chazin, W.J., in 1999 in a paper entitled "High resolution solution structure of apo calcyclin and structural variations in the S100 family of calcium-binding proteins." (abstract).

The structure was determined using NMR spectroscopy and deposited in 1999.

The experimental data on which the structure is based was also deposited.

This PDB entry contains multiple copies of the structure of CALCYCLIN.

The molecule most likely forms homodimers.

The following tables show cross-reference information to other databases (to obtain a list of all PDB entries sharing the same property or classification, click on the magnifying glass icon):

Chain Name UniProt Name of source organism % of UniProt sequence present in the sample Residues in the sample molecules % of residues observed
A CALCYCLIN P30801 (1-90) (S10A6_RABIT)search Oryctolagus cuniculussearch 100% 90 100%
B CALCYCLIN P30801 (1-90) (S10A6_RABIT)search Oryctolagus cuniculussearch 100% 90 100%

This entry contains 1 unique UniProt protein:

UniProt accession Name Organism PDB
P30801 (1 - 90) CALCYCLIN Oryctolagus cuniculus

Chain Structural classification (SCOP) Structural classification (CATH) Sequence family (Pfam)
A, B (P30801) S100 proteinssearch EF-handsearch PF01023: S-100/ICaBP type calcium binding domainsearch

Chain ID Molecular function (GO) Cellular component (GO)
A, B (P30801) calcium ion bindingsearch calcium-dependent protein bindingsearch metal ion bindingsearch zinc ion bindingsearch tropomyosin bindingsearch S100 protein bindingsearch protein homodimerization activitysearch protein N-terminus bindingsearch perinuclear region of cytoplasmsearch cytoplasmsearch extrinsic component of cytoplasmic side of plasma membranesearch nucleussearch cytosolsearch rufflesearch membranesearch plasma membranesearch nuclear envelopesearch extracellular vesicular exosomesearch

Chain InterPro annotation
A, B S100/Calbindin-D9k, conserved sitesearch EF-hand domainsearch EF-hand domain pairsearch S100/CaBP-9k-type, calcium binding, subdomainsearch EF-Hand 1, calcium-binding sitesearch