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(-) Description

Title :  THE STRUCTURE OF CALCYCLIN REVEALS A NOVEL HOMODIMERIC FOLD FOR S100 CA2+-BINDING PROTEINS, NMR, 22 STRUCTURES
 
Authors :  B. C. M. Potts, J. Smith, M. Akke, T. J. Macke, K. Okazaki, H. Hidaka, D. A. Case, W. J. Chazin
Date :  31 Aug 95  (Deposition) - 14 Oct 96  (Release) - 24 Feb 09  (Revision)
Method :  SOLUTION NMR
Resolution :  NOT APPLICABLE
Chains :  NMR Structure  :  A,B  (22x)
Keywords :  Ef-Hand, Calcium-Binding Protein, S-100 Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  B. C. Potts, J. Smith, M. Akke, T. J. Macke, K. Okazaki, H. Hidaka, D. A. Case, W. J. Chazin
The Structure Of Calcyclin Reveals A Novel Homodimeric Fold For S100 Ca(2+)-Binding Proteins.
Nat. Struct. Biol. V. 2 790 1995
PubMed-ID: 7552751  |  Reference-DOI: 10.1038/NSB0995-790
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - CALCYCLIN (RABBIT, APO)
    Chains: A, B
    Organ: LUNG
    Organism Common: RABBIT
    Organism Scientific: ORYCTOLAGUS CUNICULUS
    Organism Taxid: 9986
    Other Details: PH 7.0, 300 K
    Synonym: 2A9, CACY, S100A6, PRA

 Structural Features

(-) Chains, Units

  
NMR Structure (22x): 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (0, 0)

(no "Ligand,Modified Residues,Ions" information available for 1CNP)

(-) Sites  (4, 4)

NMR Structure (4, 4)
No.NameEvidenceResiduesDescription
1LO1UNKNOWNSER A:20 , GLY A:21 , LYS A:22 , GLU A:23 , GLY A:24 , ASP A:25 , LYS A:26 , HIS A:27 , THR A:28 , LEU A:29 , SER A:30 , LYS A:31 , LYS A:32 , GLU A:33ION BINDING SITE
2LO2UNKNOWNASP A:61 , ARG A:62 , ASN A:63 , LYS A:64 , ASP A:65 , GLN A:66 , GLU A:67 , VAL A:68 , ASN A:69 , PHE A:70 , GLN A:71 , GLU A:72ION BINDING SITE
3LO3UNKNOWNSER B:20 , GLY B:21 , LYS B:22 , GLU B:23 , GLY B:24 , ASP B:25 , LYS B:26 , HIS B:27 , THR B:28 , LEU B:29 , SER B:30 , LYS B:31 , LYS B:32 , GLU B:33ION BINDING SITE
4LO4UNKNOWNASP B:61 , ARG B:62 , ASN B:63 , LYS B:64 , ASP B:65 , GLN B:66 , GLU B:67 , VAL B:68 , ASN B:69 , PHE B:70 , GLN B:71 , GLU B:72ION BINDING SITE

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1CNP)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1CNP)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1CNP)

(-) PROSITE Motifs  (3, 6)

NMR Structure (3, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1EF_HAND_2PS50222 EF-hand calcium-binding domain profile.S10A6_RABIT48-83
 		  2A:48-83
B:48-83
2S100_CABPPS00303 S-100/ICaBP type calcium binding protein signature.S10A6_RABIT56-77
 		  2A:56-77
B:56-77
3EF_HAND_1PS00018 EF-hand calcium-binding domain.S10A6_RABIT61-73
 		  2A:61-73
B:61-73

(-) Exons   (0, 0)

(no "Exon" information available for 1CNP)

(-) Sequences/Alignments

NMR Structure
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
  Number of residues per labelling interval =   
  UniProt sequence: complete  aligned part    
   Show mapping: SCOP domains CATH domains Pfam domains Secondary structure (by author)
SAPs(SNPs) PROSITE motifs Exons
(details for a mapped element are shown in a popup box when the mouse pointer rests over it) 
Chain A from PDB  Type:PROTEIN  Length:90
 aligned with S10A6_RABIT | P30801 from UniProtKB/Swiss-Prot  Length:90

    Alignment length:90
                                    10        20        30        40        50        60        70        80        90
           S10A6_RABIT    1 MASPLDQAIGLLIGIFHKYSGKEGDKHTLSKKELKELIQKELTIGSKLQDAEIVKLMDDLDRNKDQEVNFQEYITFLGALAMIYNEALKG 90
               SCOP domains d1cnpa_ A: Calcyclin (S100)                                                                SCOP domains
               CATH domains 1cnpA00 A:1-90 EF-hand                                                                     CATH domains
               Pfam domains ------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhh............hhhhhhhhh.....hhh....hhhhhhh.hhh.......hhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) -----------------------------------------------EF_HAND_2  PDB: A:48-83             ------- PROSITE (1)
                PROSITE (2) -------------------------------------------------------S100_CABP  PDB: A:56-7------------- PROSITE (2)
                PROSITE (3) ------------------------------------------------------------EF_HAND_1    ----------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------ Transcript
                  1cnp A  1 MASPLDQAIGLLIGIFHKYSGKEGDKHTLSKKELKELIQKELTIGSKLQDAEIVKLMDDLDRNKDQEVNFQEYITFLGALAMIYNEALKG 90
                                    10        20        30        40        50        60        70        80        90


Chain B from PDB  Type:PROTEIN  Length:90
 aligned with S10A6_RABIT | P30801 from UniProtKB/Swiss-Prot  Length:90

    Alignment length:90
                                    10        20        30        40        50        60        70        80        90
           S10A6_RABIT    1 MASPLDQAIGLLIGIFHKYSGKEGDKHTLSKKELKELIQKELTIGSKLQDAEIVKLMDDLDRNKDQEVNFQEYITFLGALAMIYNEALKG 90
               SCOP domains d1cnpb_ B: Calcyclin (S100)                                                                SCOP domains
               CATH domains 1cnpB00 B:1-90 EF-hand                                                                     CATH domains
               Pfam domains ------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ...hhhhhhhhhhhhhhhhhhhh.....eehhhhhhhh.............hhhhhhhhhhhhh..ee.hhhhhhhhhhhhhhh...... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) -----------------------------------------------EF_HAND_2  PDB: B:48-83             ------- PROSITE (1)
                PROSITE (2) -------------------------------------------------------S100_CABP  PDB: B:56-7------------- PROSITE (2)
                PROSITE (3) ------------------------------------------------------------EF_HAND_1    ----------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------ Transcript
                  1cnp B  1 MASPLDQAIGLLIGIFHKYSGKEGDKHTLSKKELKELIQKELTIGSKLQDAEIVKLMDDLDRNKDQEVNFQEYITFLGALAMIYNEALKG 90
                                    10        20        30        40        50        60        70        80        90
   Legend:   → Mismatch (orange background)
  - → Gap (green background, '-', border residues have a numbering label)
    → Modified Residue (blue background, lower-case, 'x' indicates undefined single-letter code, labelled with number + name)
  x → Chemical Group (purple background, 'x', labelled with number + name, e.g. ACE or NH2)
  extra numbering lines below/above indicate numbering irregularities and modified residue names etc., number ends below/above '|'

 Classification and Annotation

(-) SCOP Domains  (1, 2)

NMR Structure
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (1, 2)

NMR Structure
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1CNP)

(-) Gene Ontology  (18, 18)

NMR Structure(hide GO term definitions)
Chain A,B   (S10A6_RABIT | P30801)
molecular function
    GO:0044548    S100 protein binding    Interacting selectively and non-covalently with a S100 protein. S100 is a small calcium and zinc binding protein produced in astrocytes that is implicated in Alzheimer's disease, Down Syndrome and ALS.
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0048306    calcium-dependent protein binding    Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules), in the presence of calcium.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0047485    protein N-terminus binding    Interacting selectively and non-covalently with a protein N-terminus, the end of any peptide chain at which the 2-amino (or 2-imino) function of a constituent amino acid is not attached in peptide linkage to another amino-acid residue.
    GO:0042803    protein homodimerization activity    Interacting selectively and non-covalently with an identical protein to form a homodimer.
    GO:0005523    tropomyosin binding    Interacting selectively and non-covalently with tropomyosin, a protein associated with actin filaments both in cytoplasm and, in association with troponin, in the thin filament of striated muscle.
    GO:0008270    zinc ion binding    Interacting selectively and non-covalently with zinc (Zn) ions.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.
    GO:0005829    cytosol    The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.
    GO:0070062    extracellular exosome    A vesicle that is released into the extracellular region by fusion of the limiting endosomal membrane of a multivesicular body with the plasma membrane. Extracellular exosomes, also simply called exosomes, have a diameter of about 40-100 nm.
    GO:0031234    extrinsic component of cytoplasmic side of plasma membrane    The component of a plasma membrane consisting of gene products and protein complexes that are loosely bound to its cytoplasmic surface, but not integrated into the hydrophobic region.
    GO:0016020    membrane    A lipid bilayer along with all the proteins and protein complexes embedded in it an attached to it.
    GO:0005635    nuclear envelope    The double lipid bilayer enclosing the nucleus and separating its contents from the rest of the cytoplasm; includes the intermembrane space, a gap of width 20-40 nm (also called the perinuclear space).
    GO:0005634    nucleus    A membrane-bounded organelle of eukaryotic cells in which chromosomes are housed and replicated. In most cells, the nucleus contains all of the cell's chromosomes except the organellar chromosomes, and is the site of RNA synthesis and processing. In some species, or in specialized cell types, RNA metabolism or DNA replication may be absent.
    GO:0048471    perinuclear region of cytoplasm    Cytoplasm situated near, or occurring around, the nucleus.
    GO:0005886    plasma membrane    The membrane surrounding a cell that separates the cell from its external environment. It consists of a phospholipid bilayer and associated proteins.
    GO:0001726    ruffle    Projection at the leading edge of a crawling cell; the protrusions are supported by a microfilament meshwork.

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        S10A6_RABIT | P30801: 1a03 1jwd 2cnp 2jtt

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