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(-)Asym./Biol. Unit
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(-) Description

Title :  BACILLUS CALDOLYTICUS COLD-SHOCK PROTEIN MUTANTS TO STUDY DETERMINANTS OF PROTEIN STABILITY
 
Authors :  H. Delbrueck, U. Mueller, D. Perl, F. X. Schmid, U. Heinemann
Date :  24 Jan 01  (Deposition) - 07 Nov 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  1.80
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Beta Barrel, Homodimer, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  H. Delbruck, U. Mueller, D. Perl, F. X. Schmid, U. Heinemann
Crystal Structures Of Mutant Forms Of The Bacillus Caldolyticus Cold Shock Protein Differing In Thermal Stability.
J. Mol. Biol. V. 313 359 2001
PubMed-ID: 11800562  |  Reference-DOI: 10.1006/JMBI.2001.5051
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - COLD SHOCK PROTEIN CSPB
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Taxid: 562
    Gene: CSPB
    Mutation: YES
    Organism Scientific: BACILLUS CALDOLYTICUS
    Organism Taxid: 1394
    Synonym: CSPB, BC-CSP

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 1HZ9)

(-) Sites  (0, 0)

(no "Site" information available for 1HZ9)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1HZ9)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1HZ9)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1HZ9)

(-) PROSITE Motifs  (1, 2)

Asymmetric/Biological Unit (1, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1COLD_SHOCKPS00352 'Cold-shock' domain signature.CSPB_BACCL15-33
 		  2A:15-33
B:15-33

(-) Exons   (0, 0)

(no "Exon" information available for 1HZ9)

(-) 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:66
 aligned with CSPB_BACCL | P41016 from UniProtKB/Swiss-Prot  Length:66

    Alignment length:66
                                    10        20        30        40        50        60      
            CSPB_BACCL    1 MQRGKVKWFNNEKGYGFIEVEGGSDVFVHFTAIQGEGFKTLEEGQEVSFEIVQGNRGPQAANVVKL 66
               SCOP domains d1hz9a_ A: Major cold shock protein                                SCOP domains
               CATH domains 1hz9A00 A:1-66 Nucleic acid-binding proteins                       CATH domains
               Pfam domains ------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeeeeeee....eeeeee..eeeeeee.hhh............eeeeeeeee..eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE --------------COLD_SHOCK         --------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------ Transcript
                  1hz9 A  1 MQRGKVKWFNNEKGYGFIEVEGGSDVFVHFTAIQGEGFKTLEEGQAVSFEIVQGNRGPQAANVVKL 66
                                    10        20        30        40        50        60      


Chain B from PDB  Type:PROTEIN  Length:66
 aligned with CSPB_BACCL | P41016 from UniProtKB/Swiss-Prot  Length:66

    Alignment length:66
                                    10        20        30        40        50        60      
            CSPB_BACCL    1 MQRGKVKWFNNEKGYGFIEVEGGSDVFVHFTAIQGEGFKTLEEGQEVSFEIVQGNRGPQAANVVKL 66
               SCOP domains d1hz9b_ B: Major cold shock protein                                SCOP domains
               CATH domains 1hz9B00 B:1-66 Nucleic acid-binding proteins                       CATH domains
               Pfam domains ------------------------------------------------------------------ Pfam domains
         Sec.struct. author .eeeeeeeee....eeeee......eeee.hhh............eeeeeeeee..eeeeeeeee. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE --------------COLD_SHOCK         --------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------ Transcript
                  1hz9 B  1 MQRGKVKWFNNEKGYGFIEVEGGSDVFVHFTAIQGEGFKTLEEGQAVSFEIVQGNRGPQAANVVKL 66
                                    10        20        30        40        50        60
   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)

Asymmetric/Biological Unit
(-)
Class: All beta proteins (24004)

(-) CATH Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Class: Mainly Beta (13760)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1HZ9)

(-) Gene Ontology  (5, 5)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (CSPB_BACCL | P41016)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0003676    nucleic acid binding    Interacting selectively and non-covalently with any nucleic acid.
biological process
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006351    transcription, DNA-templated    The cellular synthesis of RNA on a template of DNA.
cellular component
    GO:0005737    cytoplasm    All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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 Related Entries

(-) Entries Sharing at Least One Protein Chain (UniProt ID)

UniProtKB/Swiss-Prot
        CSPB_BACCL | P41016: 1c9o 1hza 1hzb 1hzc 1i5f 2hax 5jx4

(-) Related Entries Specified in the PDB File

1c9o 1C9O IS BACILLUS CALDOLYTICUS COLD-SHOCK-PROTEIN
1csp 1CSP IS BACILLUS SUBTILIS COLD-SHOCK-PROTEIN
1hza 1HZA IS A TRIPLE MUTANT OF 1C9O (V64T/L66E/67A)
1hzb 1HZB IS A SINGLE MUTANT OF 1C9O (L66E)
1hzc 1HZC IS A TRIPLE MUTANT OF 1C9O (R3E/E46A/L66E)