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(-) Description

Title :  CRYSTAL STRUCTURE OF KORA, A PLASMID-ENCODED, GLOBAL TRANSCRIPTION REGULATOR
 
Authors :  S. A. White, E. I. Hyde, A. L. Lovering
Date :  15 Jul 15  (Deposition) - 06 Apr 16  (Release) - 15 Jun 16  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.00
Chains :  Asym. Unit :  A,B,C,D
Biol. Unit 1:  A,D  (1x)
Biol. Unit 2:  B,C  (1x)
Keywords :  Helix-Turn-Helix, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  K. V. Rajasekar, A. L. Lovering, F. Dancea, D. J. Scott, S. A. Harris, L. E. Bingle, M. Roessle, C. M. Thomas, E. I. Hyde, S. A. White
Flexibility Of Kora, A Plasmid-Encoded, Global Transcriptio Regulator, In The Presence And The Absence Of Its Operator.
Nucleic Acids Res. V. 44 4947 2016
PubMed-ID: 27016739  |  Reference-DOI: 10.1093/NAR/GKW191
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - TRFB TRANSCRIPTIONAL REPRESSOR PROTEIN
    Chains: A, B, C
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET28A
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: KORA
    Gene: TRFB, KORA
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Synonym: REGULATORY PROTEIN KORA
 
Molecule 2 - TRFB TRANSCRIPTIONAL REPRESSOR PROTEIN
    Chains: D
    Engineered: YES
    Expression System: ESCHERICHIA COLI BL21(DE3)
    Expression System Plasmid: PET28A
    Expression System Taxid: 469008
    Expression System Vector Type: PLASMID
    Fragment: KORA
    Gene: TRFB, KORA
    Organism Scientific: ESCHERICHIA COLI
    Organism Taxid: 562
    Synonym: REGULATORY PROTEIN KORA

 Structural Features

(-) Chains, Units

  1234
Asymmetric Unit : ABCD
Biological Unit 1 (1x): A  D
Biological Unit 2 (1x):  BC 

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 2)

Asymmetric Unit (1, 2)
No.NameCountTypeFull Name
1ACT2Ligand/IonACETATE ION
Biological Unit 1 (0, 0)
No.NameCountTypeFull Name
1ACT-1Ligand/IonACETATE ION
Biological Unit 2 (1, 2)
No.NameCountTypeFull Name
1ACT2Ligand/IonACETATE ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWAREARG A:57 , HOH A:112 , THR B:47 , ARG B:48 , GLY B:49 , HOH B:219 , HOH B:238binding site for residue ACT B 101
2AC2SOFTWAREGLN B:22 , THR B:23 , ILE B:26 , ALA B:54 , HOH B:218 , HOH B:227 , LEU D:46binding site for residue ACT B 102

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 5CKT)

(-) Cis Peptide Bonds  (1, 1)

Asymmetric Unit
No.Residues
1Met A:1 -Lys A:2

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 5CKT)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 5CKT)

(-) Exons   (0, 0)

(no "Exon" information available for 5CKT)

(-) 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:99
                                                                                                                                   
               SCOP domains --------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhhhh....hhhhhhhhhhhhh...hhhhhhhhhh.hhhhhhhhhhhhhhhhhhhh....eeeeeeeeehhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------- Transcript
                 5ckt A   1 MKKRLTESQFQEAIQGLEVGQQTIEIARGVLVDGKPQATFATSLGLTRGAVSQAVHRVWAAFEDKNLPEGYARVTAVLPEHQAYIVRKWEADAKKKQET  99
                                    10        20        30        40        50        60        70        80        90         


Chain B from PDB  Type:PROTEIN  Length:99
                                                                                                                                   
               SCOP domains --------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhhh.....hhhhhhhhhhhhh...hhhhhhhhhh.hhhhhhhhhhhhhhhhhhhh....eeeeeeeeehhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------- Transcript
                 5ckt B   1 MKKRLTESQFQEAIQGLEVGQQTIEIARGVLVDGKPQATFATSLGLTRGAVSQAVHRVWAAFEDKNLPEGYARVTAVLPEHQAYIVRKWEADAKKKQET  99
                                    10        20        30        40        50        60        70        80        90         


Chain C from PDB  Type:PROTEIN  Length:99
                                                                                                                                   
               SCOP domains --------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains --------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .....hhhhhhhhhh....hhhhhhhhhhhhh...hhhhhhhhh..hhhhhhhhhhhhhhhhhhhhh...eeeeeeeeehhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------- Transcript
                 5ckt C   1 MKKRLTESQFQEAIQGLEVGQQTIEIARGVLVDGKPQATFATSLGLTRGAVSQAVHRVWAAFEDKNLPEGYARVTAVLPEHQAYIVRKWEADAKKKQET  99
                                    10        20        30        40        50        60        70        80        90         


Chain D from PDB  Type:PROTEIN  Length:94
                                                                                                                              
               SCOP domains ---------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ...hhhhhhhhhh....hhhhhhhhhhhhh...hhhhhhhhhh.hhhhhhhhhhhhhhhhhh.eeeeeeeeehhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------- Transcript
                 5ckt D   3 KRLTESQFQEAIQGLEVGQQTIEIARGVLVDGKPQATFATSLGLTRGAVSQAVHRVWAAFEDGYARVTAVLPEHQAYIVRKWEADAKKKQETKR 101
                                    12        22        32        42        52        62 ||     77        87        97    
                                                                                        64|                               
                                                                                         70
   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  (0, 0)

(no "SCOP Domain" information available for 5CKT)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 5CKT)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 5CKT)

(-) Gene Ontology  (4, 4)

Asymmetric Unit(hide GO term definitions)

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  5ckt
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  KORA2_ECOLX | P03052
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 Related Entries

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

UniProtKB/Swiss-Prot
        KORA2_ECOLX | P03052: 2n5g 2w7n 5clv 5cm3

(-) Related Entries Specified in the PDB File

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