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(-) Description

Title :  ARG80ALA DTXR
 
Authors :  E. Pohl, J. Goranson-Siekierke, R. K. Holmes, W. G. J. Hol
Date :  25 Oct 00  (Deposition) - 25 Oct 01  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Dtxr, Dna-Binding Protein, Iron-Dependent Regulator, Gene Regulation (Keyword Search: [Gene Ontology, PubMed, Web (Google))
 
Reference :  E. Pohl, J. Goranson-Siekierke, M. K. Choi, T. Roosild, R. K. Holmes, W. G. Hol
Structures Of Three Diphtheria Toxin Repressor (Dtxr) Variants With Decreased Repressor Activity.
Acta Crystallogr. , Sect. D V. 57 619 2001
PubMed-ID: 11320302  |  Reference-DOI: 10.1107/S090744490100230X
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - DIPHTHERIA TOXIN REPRESSOR
    ChainsA
    EngineeredYES
    Expression SystemESCHERICHIA COLI
    Expression System Taxid562
    MutationYES
    Organism ScientificCORYNEBACTERIUM DIPHTHERIAE
    Organism Taxid1717
    SynonymDTXR

 Structural Features

(-) Chains, Units

  1
Asymmetric Unit A
Biological Unit 1 (2x)A

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
1AC1SOFTWAREHIS A:79 , GLU A:83 , HIS A:98BINDING SITE FOR RESIDUE ZN A 301

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1G3Y)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1G3Y)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (11, 11)

Asymmetric Unit (11, 11)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_DTXR_CORDI_001 *R47HDTXR_CORDI  ---  ---AR47H
02UniProtVAR_DTXR_CORDI_004 *I165VDTXR_CORDI  ---  ---AI165V
03UniProtVAR_DTXR_CORDI_005 *V174ADTXR_CORDI  ---  ---AV174A
04UniProtVAR_DTXR_CORDI_006 *S191TDTXR_CORDI  ---  ---AS191T
05UniProtVAR_DTXR_CORDI_008 *H201RDTXR_CORDI  ---  ---AH201R
06UniProtVAR_DTXR_CORDI_009 *S205RDTXR_CORDI  ---  ---AS205R
07UniProtVAR_DTXR_CORDI_010 *I214LDTXR_CORDI  ---  ---AL214L
08UniProtVAR_DTXR_CORDI_011 *I214YDTXR_CORDI  ---  ---AL214Y
09UniProtVAR_DTXR_CORDI_012 *A218TDTXR_CORDI  ---  ---AA218T
10UniProtVAR_DTXR_CORDI_013 *I221MDTXR_CORDI  ---  ---AI221M
11UniProtVAR_DTXR_CORDI_014 *I221TDTXR_CORDI  ---  ---AI221T
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)
Biological Unit 1 (11, 22)
  dbSNPPDB
No.SourceVariant IDVariantUniProt IDStatusIDChainVariant
01UniProtVAR_DTXR_CORDI_001 *R47HDTXR_CORDI  ---  ---AR47H
02UniProtVAR_DTXR_CORDI_004 *I165VDTXR_CORDI  ---  ---AI165V
03UniProtVAR_DTXR_CORDI_005 *V174ADTXR_CORDI  ---  ---AV174A
04UniProtVAR_DTXR_CORDI_006 *S191TDTXR_CORDI  ---  ---AS191T
05UniProtVAR_DTXR_CORDI_008 *H201RDTXR_CORDI  ---  ---AH201R
06UniProtVAR_DTXR_CORDI_009 *S205RDTXR_CORDI  ---  ---AS205R
07UniProtVAR_DTXR_CORDI_010 *I214LDTXR_CORDI  ---  ---AL214L
08UniProtVAR_DTXR_CORDI_011 *I214YDTXR_CORDI  ---  ---AL214Y
09UniProtVAR_DTXR_CORDI_012 *A218TDTXR_CORDI  ---  ---AA218T
10UniProtVAR_DTXR_CORDI_013 *I221MDTXR_CORDI  ---  ---AI221M
11UniProtVAR_DTXR_CORDI_014 *I221TDTXR_CORDI  ---  ---AI221T
   * ID not provided by source

  SNP/SAP Summary Statistics (UniProtKB/Swiss-Prot)

(-) PROSITE Motifs  (1, 1)

Asymmetric Unit (1, 1)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_DTXRPS50944 DtxR-type HTH domain profile.DTXR_CORDI4-65  1A:4-65
DTXR_CORDW4-65  1A:4-65
Biological Unit 1 (1, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_DTXRPS50944 DtxR-type HTH domain profile.DTXR_CORDI4-65  2A:4-65
DTXR_CORDW4-65  2A:4-65

(-) Exons   (0, 0)

(no "Exon" information available for 1G3Y)

(-) 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:212
 aligned with DTXR_CORDI | P0DJL7 from UniProtKB/Swiss-Prot  Length:226

    Alignment length:223
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222   
           DTXR_CORDI     3 DLVDTTEMYLRTIYELEEEGVTPLRARIAERLEQSGPTVSQTVARMERDGLVVVASDRSLQMTPTGRTLATAVMRKHRLAERLLTDIIGLDINKVHDEACRWEHVMSDEVERRLVKVLKDVSRSPFGNPIPGLDELGVGNSDAAVPGTRVIDAATSMPRKVRIVQINEIFQVETDQFTQLLDADIRVGSEVEIVDRDGHITLSHNGKDVELIDDLAHTIRIEE 225
               SCOP domains d1g3ya1 A:3-64 Diphtheria toxin repressor (DtxR)              d1g3ya2 A:65-140 Diphtheria toxin repressor (DtxR)                                 d1g3ya3 A  :148-225 Diphtheria toxin repressor (Dtx  R)                        SCOP domains
               CATH domains -1g3yA01 A:4-74 'winged helix' repressor DNA binding domain             1g3yA02 A:75-140 Diphtheria Toxin Repressor, domain 2                    1g3yA03 A  :148-225  [code=2.30.30.90, no name defi  ned]                      CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhh...hhhhhhhhh..hhhhhhhhhhhhhhh..eee.....eeehhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhh...hhhhhhhhhhhh.............hhhhhh.-------....hhhhh--..eeeeeee.hhhhh....hhhhhhhhh.....eeee...--..eeee..eeee.hhhhhhhh.... Sec.struct. author
             SAPs(SNPs) (1) --------------------------------------------H---------------------------------------------------------------------------------------------------------------------V--------A----------------T---------R---R--------L---T--M---- SAPs(SNPs) (1)
             SAPs(SNPs) (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Y------T---- SAPs(SNPs) (2)
                PROSITE (2) -HTH_DTXR  PDB: A:4-65 UniProt: 4-65                           ---------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1g3y A   3 DLVDTTEMYLRTIYELEEEGVTPLRARIAERLEQSGPTVSQTVARMERDGLVVVASDRSLQMTPTGRTLATAVMRKHALAERLLTDIIGLDINKVHDEACRWEHVMSDEVERRLVKVLKDVSRSPFGNPIPGLDELGV-------PGTRVIDAA--MPRKVRIVQINEIFQVETDQFTQLLDADIRVGSEVEIVDR--HITLSHNGKDVELLDDLAHTIRIEE 225
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       | -     | 152   |  |162       172       182       192     | 202       212       222   
                                                                                                                                                                   140     148     156  |                                    198  |                        
                                                                                                                                                                                      159                                       201                        

Chain A from PDB  Type:PROTEIN  Length:212
 aligned with DTXR_CORDW | H2I233 from UniProtKB/Swiss-Prot  Length:226

    Alignment length:223
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152       162       172       182       192       202       212       222   
           DTXR_CORDW     3 DLVDTTEMYLRTIYELEEEGVTPLRARIAERLEQSGPTVSQTVARMERDGLVVVASDRSLQMTPTGRTLATAVMRKHRLAERLLTDIIGLDINKVHDEACRWEHVMSDEVERRLVKVLKDVSRSPFGNPIPGLDELGVGNSDAAAPGTRVIDAATSMPRKVRIVQINEIFQVETDQFTQLLDADIRVGSEVEIVDRDGHITLSHNGKDVELLDDLAHTIRIEE 225
               SCOP domains d1g3ya1 A:3-64 Diphtheria toxin repressor (DtxR)              d1g3ya2 A:65-140 Diphtheria toxin repressor (DtxR)                                 d1g3ya3 A  :148-225 Diphtheria toxin repressor (Dtx  R)                        SCOP domains
               CATH domains -1g3yA01 A:4-74 'winged helix' repressor DNA binding domain             1g3yA02 A:75-140 Diphtheria Toxin Repressor, domain 2                    1g3yA03 A  :148-225  [code=2.30.30.90, no name defi  ned]                      CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhhhh...hhhhhhhhh..hhhhhhhhhhhhhhh..eee.....eeehhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhh...hhhhhhhhhhhh.............hhhhhh.-------....hhhhh--..eeeeeee.hhhhh....hhhhhhhhh.....eeee...--..eeee..eeee.hhhhhhhh.... Sec.struct. author
             SAPs(SNPs) (1) --------------------------------------------H---------------------------------------------------------------------------------------------------------------------V--------A----------------T---------R---R--------L---T--M---- SAPs(SNPs) (1)
             SAPs(SNPs) (2) -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------Y------T---- SAPs(SNPs) (2)
                    PROSITE -HTH_DTXR  PDB: A:4-65 UniProt: 4-65                           ---------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1g3y A   3 DLVDTTEMYLRTIYELEEEGVTPLRARIAERLEQSGPTVSQTVARMERDGLVVVASDRSLQMTPTGRTLATAVMRKHALAERLLTDIIGLDINKVHDEACRWEHVMSDEVERRLVKVLKDVSRSPFGNPIPGLDELGV-------PGTRVIDAA--MPRKVRIVQINEIFQVETDQFTQLLDADIRVGSEVEIVDR--HITLSHNGKDVELLDDLAHTIRIEE 225
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       | -     | 152   |  |162       172       182       192     | 202       212       222   
                                                                                                                                                                   140     148     156  |                                    198  |                        
                                                                                                                                                                                      159                                       201                        

   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  (3, 3)

Asymmetric Unit

(-) CATH Domains  (3, 3)

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

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 1G3Y)

(-) Gene Ontology  (7, 14)

Asymmetric Unit(hide GO term definitions)
Chain A   (DTXR_CORDW | H2I233)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0046983    protein dimerization activity    The formation of a protein dimer, a macromolecular structure consists of two noncovalently associated identical or nonidentical subunits.
    GO:0003700    transcription factor activity, sequence-specific DNA binding    Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex.
    GO:0046914    transition metal ion binding    Interacting selectively and non-covalently with a transition metal ions; a transition metal is an element whose atom has an incomplete d-subshell of extranuclear electrons, or which gives rise to a cation or cations with an incomplete d-subshell. Transition metals often have more than one valency state. Biologically relevant transition metals include vanadium, manganese, iron, copper, cobalt, nickel, molybdenum and silver.
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.

Chain A   (DTXR_CORDI | P0DJL7)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
    GO:0046983    protein dimerization activity    The formation of a protein dimer, a macromolecular structure consists of two noncovalently associated identical or nonidentical subunits.
    GO:0003700    transcription factor activity, sequence-specific DNA binding    Interacting selectively and non-covalently with a specific DNA sequence in order to modulate transcription. The transcription factor may or may not also interact selectively with a protein or macromolecular complex.
    GO:0046914    transition metal ion binding    Interacting selectively and non-covalently with a transition metal ions; a transition metal is an element whose atom has an incomplete d-subshell of extranuclear electrons, or which gives rise to a cation or cations with an incomplete d-subshell. Transition metals often have more than one valency state. Biologically relevant transition metals include vanadium, manganese, iron, copper, cobalt, nickel, molybdenum and silver.
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
        DTXR_CORDI | P0DJL71bi0 1bi1 1bi2 1bi3 1bym 1c0w 1ddn 1dpr 1f5t 1fwz 1g3s 1g3t 1g3w 1p92 1qvp 1qw1 1xcv 2dtr 2qq9 2qqa 2qqb 2tdx 3glx
        DTXR_CORDW | H2I2331bi0 1bi1 1bi2 1bi3 1bym 1c0w 1ddn 1dpr 1f5t 1fwz 1g3s 1g3t 1g3w 1p92 1qvp 1qw1 1xcv 2dtr 2qq9 2qqa 2qqb 2tdx 3glx

(-) Related Entries Specified in the PDB File

1fwz DXTR E20A MUTANT
1g3s DXTR C102S MUTANT IN P 31 2 1 SPACE GROUP
1g3t DXTR C102S MUTANT IN P 32 2 1 SPACE GROUP
1g3w DXTR C102S MUTANT WITH CADMIUM ION