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(-) Description

Title :  CRYSTAL STRUCTURE OF THE SINGLE-STRANDED DNA-BINDING PROTEIN FROM MYCOBACTERIUM TUBERCULOSIS
 
Authors :  K. Saikrishnan, J. Jeyakanthan, J. Venkatesh, N. Acharya, K. Sekar, U. Varshney, M. Vijayan, Tb Structural Genomics Consortium (Tbsgc)
Date :  08 May 03  (Deposition) - 10 Feb 04  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.50
Chains :  Asym. Unit :  A,B
Biol. Unit 1:  A,B  (2x)
Keywords :  Oligonucleotide Binding Fold, Dna-Binding Protein, Structural Genomics, Psi, Protein Structure Initiative, Tb Structural Genomics Consortium, Tbsgc, Dna Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  K. Saikrishnan, J. Jeyakanthan, J. Venkatesh, N. Acharya, K. Sekar, U. Varshney, M. Vijayan
Structure Of Mycobacterium Tuberculosis Single-Stranded Dna-Binding Protein. Variability In Quaternary Structure And Its Implications
J. Mol. Biol. V. 331 385 2003
PubMed-ID: 12888346  |  Reference-DOI: 10.1016/S0022-2836(03)00729-0
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - SINGLE-STRAND BINDING PROTEIN
    ChainsA, B
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System PlasmidPET11D
    Expression System Taxid562
    Expression System Vector TypePLASMID
    Organism ScientificMYCOBACTERIUM TUBERCULOSIS
    Organism Taxid1773
    SynonymSINGLE-STRANDED DNA-BINDING PROTEIN

 Structural Features

(-) Chains, Units

  12
Asymmetric Unit AB
Biological Unit 1 (2x)AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 1)

Asymmetric Unit (1, 1)
No.NameCountTypeFull Name
1ZN1Ligand/IonZINC ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1ZN-1Ligand/IonZINC ION

(-) Sites  (1, 1)

Asymmetric Unit (1, 1)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:56 , GLU A:100 , GLU B:62 , GLU B:65BINDING SITE FOR RESIDUE ZN B 400

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1UE1)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1UE1)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1UE1)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1UE1)

(-) Exons   (0, 0)

(no "Exon" information available for 1UE1)

(-) Sequences/Alignments

Asymmetric 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:113
 aligned with SSB_MYCTO | P9WGD4 from UniProtKB/Swiss-Prot  Length:164

    Alignment length:118
                                    12        22        32        42        52        62        72        82        92       102       112        
            SSB_MYCTO     3 GDTTITIVGNLTADPELRFTPSGAAVANFTVASTPRIYDRQTGEWKDGEALFLRCNIWREAAENVAESLTRGARVIVSGRLKQRSFETREGEKRTVIEVEVDEIGPSLRYATAKVNKA 120
               SCOP domains d1ue1a_ A: ssDNA-binding protein                                                                                       SCOP domains
               CATH domains 1ue1A00 A:3-120 Nucleic acid-binding pr     oteins                                                                     CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeee....eeee.....eeeeeeeee......-----......eeeeeeeehhhhhhhhhhh....eeeeeeeeeeeee.......eeeeeeeeeeeee....eeee.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------- Transcript
                 1ue1 A   3 GDTTITIVGNLTADPELRFTPSGAAVANFTVASTPRIYD-----WKDGEALFLRCNIWREAAENVAESLTRGARVIVSGRLKQRSFETREGEKRTVIEVEVDEIGPSLRYATAKVNKA 120
                                    12        22        32        |-    |   52        62        72        82        92       102       112        
                                                                 41    47                                                                         

Chain A from PDB  Type:PROTEIN  Length:113
 aligned with SSB_MYCTU | P9WGD5 from UniProtKB/Swiss-Prot  Length:164

    Alignment length:118
                                    12        22        32        42        52        62        72        82        92       102       112        
            SSB_MYCTU     3 GDTTITIVGNLTADPELRFTPSGAAVANFTVASTPRIYDRQTGEWKDGEALFLRCNIWREAAENVAESLTRGARVIVSGRLKQRSFETREGEKRTVIEVEVDEIGPSLRYATAKVNKA 120
               SCOP domains d1ue1a_ A: ssDNA-binding protein                                                                                       SCOP domains
               CATH domains 1ue1A00 A:3-120 Nucleic acid-binding pr     oteins                                                                     CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...eeeeeeee....eeee.....eeeeeeeee......-----......eeeeeeeehhhhhhhhhhh....eeeeeeeeeeeee.......eeeeeeeeeeeee....eeee.... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------- Transcript
                 1ue1 A   3 GDTTITIVGNLTADPELRFTPSGAAVANFTVASTPRIYD-----WKDGEALFLRCNIWREAAENVAESLTRGARVIVSGRLKQRSFETREGEKRTVIEVEVDEIGPSLRYATAKVNKA 120
                                    12        22        32        |-    |   52        62        72        82        92       102       112        
                                                                 41    47                                                                         

Chain B from PDB  Type:PROTEIN  Length:119
 aligned with SSB_MYCTO | P9WGD4 from UniProtKB/Swiss-Prot  Length:164

    Alignment length:122
                                    11        21        31        41        51        61        71        81        91       101       111       121  
            SSB_MYCTO     2 AGDTTITIVGNLTADPELRFTPSGAAVANFTVASTPRIYDRQTGEWKDGEALFLRCNIWREAAENVAESLTRGARVIVSGRLKQRSFETREGEKRTVIEVEVDEIGPSLRYATAKVNKASRS 123
               SCOP domains d1ue1b_ B: ssDNA-binding protein                                                                                           SCOP domains
               CATH domains 1ue1B00 B:2-123 Nucleic acid-binding proteins                                                                              CATH domains
           Pfam domains (1) --SSB-1ue1B01 B:4-109                                                                                       -------------- Pfam domains (1)
           Pfam domains (2) --SSB-1ue1B02 B:4-109                                                                                       -------------- Pfam domains (2)
         Sec.struct. author ....eeeeeeee....eeee.....eeeeeeeee..eee......eee...eeeeeeeehhhhhhhhhhh....eeeeeeeeeeee....---..eeeeeeeeeeee.......eeee.... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ue1 B   2 AGDTTITIVGNLTADPELRFTPSGAAVANFTVASTPRIYDRQTGEWKDGEALFLRCNIWREAAENVAESLTRGARVIVSGRLKQRSFETR---KRTVIEVEVDEIGPSLRYATAKVNKASRS 123
                                    11        21        31        41        51        61        71        81        91   |   101       111       121  
                                                                                                                    91  95                            

Chain B from PDB  Type:PROTEIN  Length:119
 aligned with SSB_MYCTU | P9WGD5 from UniProtKB/Swiss-Prot  Length:164

    Alignment length:122
                                    11        21        31        41        51        61        71        81        91       101       111       121  
            SSB_MYCTU     2 AGDTTITIVGNLTADPELRFTPSGAAVANFTVASTPRIYDRQTGEWKDGEALFLRCNIWREAAENVAESLTRGARVIVSGRLKQRSFETREGEKRTVIEVEVDEIGPSLRYATAKVNKASRS 123
               SCOP domains d1ue1b_ B: ssDNA-binding protein                                                                                           SCOP domains
               CATH domains 1ue1B00 B:2-123 Nucleic acid-binding proteins                                                                              CATH domains
           Pfam domains (1) --SSB-1ue1B01 B:4-109                                                                                       -------------- Pfam domains (1)
           Pfam domains (2) --SSB-1ue1B02 B:4-109                                                                                       -------------- Pfam domains (2)
         Sec.struct. author ....eeeeeeee....eeee.....eeeeeeeee..eee......eee...eeeeeeeehhhhhhhhhhh....eeeeeeeeeeee....---..eeeeeeeeeeee.......eeee.... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------- Transcript
                 1ue1 B   2 AGDTTITIVGNLTADPELRFTPSGAAVANFTVASTPRIYDRQTGEWKDGEALFLRCNIWREAAENVAESLTRGARVIVSGRLKQRSFETR---KRTVIEVEVDEIGPSLRYATAKVNKASRS 123
                                    11        21        31        41        51        61        71        81        91   |   101       111       121  
                                                                                                                    91  95                            

   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 Unit

(-) CATH Domains  (1, 2)

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

(-) Pfam Domains  (1, 2)

Asymmetric Unit
(-)
Clan: OB (224)

(-) Gene Ontology  (8, 11)

Asymmetric Unit(hide GO term definitions)
Chain A,B   (SSB_MYCTU | P9WGD5)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    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).
    GO:0003697    single-stranded DNA binding    Interacting selectively and non-covalently with single-stranded DNA.
biological process
    GO:0006260    DNA replication    The cellular metabolic process in which a cell duplicates one or more molecules of DNA. DNA replication begins when specific sequences, known as origins of replication, are recognized and bound by initiation proteins, and ends when the original DNA molecule has been completely duplicated and the copies topologically separated. The unit of replication usually corresponds to the genome of the cell, an organelle, or a virus. The template for replication can either be an existing DNA molecule or RNA.
    GO:0006974    cellular response to DNA damage stimulus    Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
    GO:0046677    response to antibiotic    Any process that results in a change in state or activity of a cell or an organism (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of an antibiotic stimulus. An antibiotic is a chemical substance produced by a microorganism which has the capacity to inhibit the growth of or to kill other microorganisms.
cellular component
    GO:0005576    extracellular region    The space external to the outermost structure of a cell. For cells without external protective or external encapsulating structures this refers to space outside of the plasma membrane. This term covers the host cell environment outside an intracellular parasite.
    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.

Chain A,B   (SSB_MYCTO | P9WGD4)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0003697    single-stranded DNA binding    Interacting selectively and non-covalently with single-stranded DNA.
biological process
    GO:0006260    DNA replication    The cellular metabolic process in which a cell duplicates one or more molecules of DNA. DNA replication begins when specific sequences, known as origins of replication, are recognized and bound by initiation proteins, and ends when the original DNA molecule has been completely duplicated and the copies topologically separated. The unit of replication usually corresponds to the genome of the cell, an organelle, or a virus. The template for replication can either be an existing DNA molecule or RNA.

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 Related Entries

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

UniProtKB/Swiss-Prot
        SSB_MYCTO | P9WGD41ue5 1ue6 1ue7
        SSB_MYCTU | P9WGD51ue5 1ue6 1ue7

(-) Related Entries Specified in the PDB File

1ue5 THE SAME PROTEIN WITH CD
1ue6 THE SAME PROTEIN WITHOUT LIGAND AT 2.7
1ue7 THE SAME PROTEIN WITHOUT LIGAND AT 3.2 RELATED ID: RV0054 RELATED DB: TARGETDB