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(-) Description

Title :  CONFORMATIONAL PLASTICITY OF THE COILED COIL DOMAIN OF BMRR IS REQUIRED FOR BMR PROMOTER BINDING-THE UNLIGANDED STRUCTURE OF BMRR
 
Authors :  M. Kumaraswami, K. J. Newberry, R. G. Brennan
Date :  14 Jul 09  (Deposition) - 14 Apr 10  (Release) - 19 May 10  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.80
Chains :  Asym. Unit :  A
Biol. Unit 1:  A  (2x)
Keywords :  Multidrug Resistance, Transcription Regulation, Dna-Binding. Winged Helix-Turn-Helix Motif, Activator, Dna-Binding, Transcription (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. Kumaraswami, K. J. Newberry, R. G. Brennan
Conformational Plasticity Of The Coiled-Coil Domain Of Bmrr Is Required For Bmr Operator Binding: The Structure Of Unliganded Bmrr.
J. Mol. Biol. V. 398 264 2010
PubMed-ID: 20230832  |  Reference-DOI: 10.1016/J.JMB.2010.03.011

(-) Compounds

Molecule 1 - MULTIDRUG-EFFLUX TRANSPORTER 1 REGULATOR
    Chains: A
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PBAD
    Expression System Strain: TOP10
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: BMR1R, BMRR, BSU24020
    Mutation: YES
    Organism Scientific: BACILLUS SUBTILIS
    Organism Taxid: 1423

 Structural Features

(-) Chains, Units

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

Summary Information (see also Sequences/Alignments below)

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

(no "Ligand,Modified Residues,Ions" information available for 3IAO)

(-) Sites  (0, 0)

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(-) SS Bonds  (0, 0)

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(-) Cis Peptide Bonds  (0, 0)

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 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 3IAO)

(-) PROSITE Motifs  (2, 2)

Asymmetric Unit (2, 2)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_MERR_2PS50937 MerR-type HTH domain profile.BMRR_BACSU5-75  1A:5-75
2HTH_MERR_1PS00552 MerR-type HTH domain signature.BMRR_BACSU9-31  1A:9-31
Biological Unit 1 (2, 4)
 PROSITEUniProtKBPDB
No.IDACDescriptionIDLocationCountLocation
1HTH_MERR_2PS50937 MerR-type HTH domain profile.BMRR_BACSU5-75  2A:5-75
2HTH_MERR_1PS00552 MerR-type HTH domain signature.BMRR_BACSU9-31  2A:9-31

(-) Exons   (0, 0)

(no "Exon" information available for 3IAO)

(-) Sequences/Alignments

Asymmetric Unit
   Reformat: Number of residues per line =  ('0' or empty: single-line sequence representation)
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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:273
 aligned with BMRR_BACSU | P39075 from UniProtKB/Swiss-Prot  Length:278

    Alignment length:277
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190       200       210       220       230       240       250       260       270       
           BMRR_BACSU     1 MKESYYSIGEVSKLANVSIKALRYYDKIDLFKPAYVDPDTSYRYYTDSQLIHLDLIKSLKYIGTPLEEMKKAQDLEMEELFAFYTEQERQIREKLDFLSALEQTISLVKKRMKRQMEYPALGEVFVLDEEEIRIIQTEAEGIGPENVLNASYSKLKKFIESADGFTNNSYGATFSFQPYTSIDEMTYRHIFTPVLTNKQISSITPDMEITTIPKGRYACIAYNFSPEHYFLNLQKLIKYIADRQLTVVSDVYELIIPIHYSPKKQEEYRVEMKIRIA 277
               SCOP domains d3iaoa1 A:1-120 automated matches                                                                                       d3iaoa2 A:121-277 automated matches                                                                                                                           SCOP domains
               CATH domains 3iaoA01 A:1-75  [code=1.10.1660.10, no name defined]                       3iaoA02 A:76-119 Single helix bin           3iaoA03 A:120-277 Multidrug-efflux Transporter 1 Regulator Bmrr; Chain                                                                                         CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....eehhhhhhhhh....hhhhhhhhh......ee......eeee...hhhhhhhhhhhhh..hhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh......eeeee...eeeeeee.........hhhhhhhhhhhhhhhhh.....eeeee......hhhhh...eeeee...----.......eeeee...eeeeeeee...hhhhhhhhhhhhhhhh...ee...eeeeeee..........eeeeee..ee Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                PROSITE (1) ----HTH_MERR_2  PDB: A:5-75 UniProt: 5-75                                  ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE (1)
                PROSITE (2) --------HTH_MERR_1  PDB: A:9-31------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE (2)
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 3iao A   1 MKESYYSIGEVSKLANVSIKALRYYDKIDLFKPAYVDPDTSYRYYTDSQLIHLDLIKSLKYIGTPLEEMKKAQDLEMEELFAFYTEQERQIREKLDFLSALEQTISLVKKRMKRQMEYPALGEVFVLDEEEIRIIQTEAEGIGPENVLNASYSKLKKFIESADGFTNNSYGATFSFQPYTSIDEMTYRHIFTPVLT----SSITPDMEITTIPKGRYACIAYNFSPEHYFLNLQKLIKYIADRQLTVVSDVYQLIIPIHYSPKKQEEYRVEMKIEIA 277
                                    10        20        30        40        50        60        70        80        90       100       110       120       130       140       150       160       170       180       190     |   -|      210       220       230       240       250       260       270       
                                                                                                                                                                                                                             196  201
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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  (2, 2)

Asymmetric Unit
(-)
Class: All alpha proteins (14657)
(-)
Class: Alpha and beta proteins (a+b) (23004)

(-) CATH Domains  (3, 3)

Asymmetric Unit
(-)
Class: Alpha Beta (26913)
(-)
Class: Mainly Alpha (13335)

(-) Pfam Domains  (0, 0)

(no "Pfam Domain" information available for 3IAO)

(-) Gene Ontology  (3, 3)

Asymmetric Unit(hide GO term definitions)
Chain A   (BMRR_BACSU | P39075)
molecular function
    GO:0003677    DNA binding    Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic 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.

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 Related Entries

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

UniProtKB/Swiss-Prot
        BMRR_BACSU | P39075: 1bow 1exi 1exj 1r8e 2bow 3d6y 3d6z 3d70 3d71 3q1m 3q2y 3q3d 3q5p 3q5r 3q5s

(-) Related Entries Specified in the PDB File

1r8e BMRR BOUND TO DNA
3d70 E253A MUTANT PROTEIN OF THE SAME PROTEIN COMPLEXED WITH DNA
3d71 SAME PROTEIN COMPLEXED WITH DNA