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(-) Description

Title :  CRYSTAL STRUCTURE OF DUAL FUNCTION TRANSCRIPTIONAL REGULATOR MERR FORM BACILLUS MEGATERIUM MB1 IN COMPLEX WITH MERCURY (II) ION
 
Authors :  C. C. Chang, L. Y. Lin, X. W. Zou, C. C. Huang, N. L. Chan
Date :  07 Aug 14  (Deposition) - 22 Jul 15  (Release) - 16 Sep 15  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.56
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Metalloregulatory Protein, Dna Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  C. C. Chang, L. Y. Lin, X. W. Zou, C. C. Huang, N. L. Chan
Structural Basis Of The Mercury(Ii)-Mediated Conformational Switching Of The Dual-Function Transcriptional Regulator Merr
Nucleic Acids Res. V. 43 7612 2015
PubMed-ID: 26150423  |  Reference-DOI: 10.1093/NAR/GKV681

(-) Compounds

Molecule 1 - REGULATORY PROTEIN
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET-21B
    Expression System Strain: BL-21(DE3)
    Expression System Taxid: 562
    Gene: MERR
    Organism Scientific: BACILLUS MEGATERIUM
    Organism Taxid: 1404
    Strain: MB1

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

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

Asymmetric/Biological Unit (1, 2)
No.NameCountTypeFull Name
1HG2Ligand/IonMERCURY (II) ION

(-) Sites  (2, 2)

Asymmetric Unit (2, 2)
No.NameEvidenceResiduesDescription
1AC1SOFTWARECYS A:114 , CYS A:123 , PRO A:124 , CYS B:79binding site for residue HG A 201
2AC2SOFTWARECYS A:79 , CYS B:114 , CYS B:123 , PRO B:124binding site for residue HG A 202

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 4UA1)

(-) Cis Peptide Bonds  (2, 2)

Asymmetric/Biological Unit
No.Residues
1Gly A:37 -Tyr A:38
2Gly B:37 -Tyr B:38

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 4UA1)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 4UA1)

(-) Exons   (0, 0)

(no "Exon" information available for 4UA1)

(-) 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:124
                                                                                                                                                            
               SCOP domains ---------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhh...hhhhhhh...............hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ua1 A   3 FRIGELADKCGVNKETIRYYERLGLIPEPEKGYRMQQTVDRLHFIKRMQELGFTLNEIDKLLGVVDRDEAKCRDMYDFTILKIEDIQRKIEDLKRIERMLMDLKERCPENKDIYECPIIETLMK 131
                                    12        22        35    ||  47        57        67        77        87        97       107       117       127    
                                                       31|   40|                                                                                        
                                                        35    43                                                                                        


Chain B from PDB  Type:PROTEIN  Length:125
                                                                                                                                                             
               SCOP domains ----------------------------------------------------------------------------------------------------------------------------- SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ......hhhhh...hhhhhhh................hhhhhhhhhhhhhhh..hhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.........hhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------------- Transcript
                 4ua1 B   3 FRIGELADKCGVNKETIRYYERLGLIPEPEEKGYRMQQTVDRLHFIKRMQELGFTLNEIDKLLGVVDRDEAKCRDMYDFTILKIEDIQRKIEDLKRIERMLMDLKERCPENKDIYECPIIETLMK 131
                                    12        22        32|    || 46        56        66        76        86        96       106       116       126     
                                                        32|   40|                                                                                        
                                                         35    43
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  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 4UA1)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 4UA1)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 4UA1)

(-) Gene Ontology  (4, 4)

Asymmetric/Biological Unit(hide GO term definitions)

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  Cis Peptide Bonds
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 Related Entries

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        Q799U3_BACME | Q799U3: 4ua2

(-) Related Entries Specified in the PDB File

4ua2