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(-) Description

Title :  THE STRUCTURE OF CA2+-LOADED S100A2 AT 1.3A RESOLUTION
 
Authors :  M. Koch, G. Fritz
Date :  22 Feb 12  (Deposition) - 07 Mar 12  (Release) - 12 Mar 14  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.30
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Ef-Hand, Calcium-Binding, Zinc-Binding, Tumor Supressor, Metal Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Koch, G. Fritz
The Structure Of Ca2+-Loaded S100A2 At 1. 3- Angstrom Resolution.
Febs J. V. 279 1799 2012
PubMed-ID: 22394450  |  Reference-DOI: 10.1111/J.1742-4658.2012.08556.X

(-) Compounds

Molecule 1 - PROTEIN S100-A2
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PGEMEX
    Expression System Strain: BL21(DE3)
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Gene: S100A2, S100L
    Mutation: YES
    Organism Common: HUMAN
    Organism Scientific: HOMO SAPIENS
    Organism Taxid: 9606
    Synonym: CAN19, PROTEIN S-100L, S100 CALCIUM-BINDING PROTEIN A2

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (2, 6)

Asymmetric/Biological Unit (2, 6)
No.NameCountTypeFull Name
115P2Ligand/IonPOLYETHYLENE GLYCOL (N=34)
2CA4Ligand/IonCALCIUM ION

(-) Sites  (6, 6)

Asymmetric Unit (6, 6)
No.NameEvidenceResiduesDescription
1AC1SOFTWARESER A:20 , GLU A:23 , ASP A:25 , LYS A:28 , GLU A:33 , HOH A:202BINDING SITE FOR RESIDUE CA A 101
2AC2SOFTWAREASP A:63 , ASN A:65 , ASP A:67 , GLN A:69 , GLU A:74 , HOH A:206BINDING SITE FOR RESIDUE CA A 102
3AC3SOFTWARELYS A:56 , MET A:59 , GLY A:60 , ASP A:63 , GLN A:68 , HOH A:212 , HOH A:241 , HOH A:247 , ASP B:25 , PHE B:27 , LYS B:28 , HOH B:210 , HOH B:260 , HOH B:276 , HOH B:286BINDING SITE FOR RESIDUE 15P B 101
4AC4SOFTWAREALA A:80 , VAL A:84 , GLN B:73BINDING SITE FOR RESIDUE 15P B 102
5AC5SOFTWARESER B:20 , GLU B:23 , ASP B:25 , LYS B:28 , GLU B:33 , HOH B:225BINDING SITE FOR RESIDUE CA B 103
6AC6SOFTWAREASP B:63 , ASN B:65 , ASP B:67 , GLN B:69 , GLU B:74 , HOH B:212BINDING SITE FOR RESIDUE CA B 104

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4DUQ)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 4DUQ)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4DUQ)

(-) PROSITE Motifs  (3, 6)

Asymmetric/Biological Unit (3, 6)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1EF_HAND_2PS50222 EF-hand calcium-binding domain profile.S10A2_HUMAN51-86
 		  2A:50-85
B:50-85
2S100_CABPPS00303 S-100/ICaBP type calcium binding protein signature.S10A2_HUMAN59-80
 		  2A:58-79
B:58-79
3EF_HAND_1PS00018 EF-hand calcium-binding domain.S10A2_HUMAN64-76
 		  2A:63-75
B:63-75

(-) Exons   (0, 0)

(no "Exon" information available for 4DUQ)

(-) Sequences/Alignments

Asymmetric/Biological Unit
   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:88
 aligned with S10A2_HUMAN | P29034 from UniProtKB/Swiss-Prot  Length:98

    Alignment length:88
                                    12        22        32        42        52        62        72        82        
           S10A2_HUMAN    3 CSSLEQALAVLVTTFHKYSCQEGDKFKLSKGEMKELLHKELPSFVGEKVDEEGLKKLMGSLDENSDQQVDFQEYAVFLALITVMCNDF 90
               SCOP domains d4duqa_ A: automated matches                                                             SCOP domains
               CATH domains ---------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ------------------------------------------------EF_HAND_2  PDB: A:50-85             ---- PROSITE (1)
                PROSITE (2) --------------------------------------------------------S100_CABP  PDB: A:58-7---------- PROSITE (2)
                PROSITE (3) -------------------------------------------------------------EF_HAND_1    -------------- PROSITE (3)
                 Transcript ---------------------------------------------------------------------------------------- Transcript
                  4duq A  2 SSSLEQALAVLVTTFHKYSSQEGDKFKLSKGEMKELLHKELPSFVGEKVDEEGLKKLMGSLDENSDQQVDFQEYAVFLALITVMSNDF 89
                                    11        21        31        41        51        61        71        81        


Chain B from PDB  Type:PROTEIN  Length:90
 aligned with S10A2_HUMAN | P29034 from UniProtKB/Swiss-Prot  Length:98

    Alignment length:90
                                    12        22        32        42        52        62        72        82        92
           S10A2_HUMAN    3 CSSLEQALAVLVTTFHKYSCQEGDKFKLSKGEMKELLHKELPSFVGEKVDEEGLKKLMGSLDENSDQQVDFQEYAVFLALITVMCNDFFQ 92
               SCOP domains d4duqb_ B: automated matches                                                               SCOP domains
               CATH domains ------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhh........hhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhh.......hhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------ SAPs(SNPs)
                PROSITE (1) ------------------------------------------------EF_HAND_2  PDB: B:50-85             ------ PROSITE (1)
                PROSITE (2) --------------------------------------------------------S100_CABP  PDB: B:58-7------------ PROSITE (2)
                PROSITE (3) -------------------------------------------------------------EF_HAND_1    ---------------- PROSITE (3)
                 Transcript ------------------------------------------------------------------------------------------ Transcript
                  4duq B  2 SSSLEQALAVLVTTFHKYSSQEGDKFKLSKGEMKELLHKELPSFVGEKVDEEGLKKLMGSLDENSDQQVDFQEYAVFLALITVMSNDFFQ 91
                                    11        21        31        41        51        61        71        81        91
   Legend:   → Mismatch (orange background)
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  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)

Asymmetric/Biological Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4DUQ)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4DUQ)

(-) Gene Ontology  (6, 6)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (S10A2_HUMAN | P29034)
molecular function
    GO:0005509    calcium ion binding    Interacting selectively and non-covalently with calcium ions (Ca2+).
    GO:0042802    identical protein binding    Interacting selectively and non-covalently with an identical protein or proteins.
    GO:0046872    metal ion binding    Interacting selectively and non-covalently with any metal ion.
    GO:0005515    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).
biological process
    GO:0043542    endothelial cell migration    The orderly movement of an endothelial cell into the extracellular matrix to form an endothelium.
cellular component
    GO:0005575    cellular_component    The part of a cell, extracellular environment or virus in which a gene product is located. A gene product may be located in one or more parts of a cell and its location may be as specific as a particular macromolecular complex, that is, a stable, persistent association of macromolecules that function together.

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 Related Entries

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UniProtKB/Swiss-Prot
        S10A2_HUMAN | P29034: 2rgi

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