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(-) Description

Title :  CRYSTAL STRUCTURE OF A SEMET DERIVATIVE OF MECI AT 2.65 A
 
Authors :  M. K. Safo, Q. Zhao, F. N. Musayev, H. Robinson, N. Scarsdale, G. L. Archer
Date :  13 Feb 04  (Deposition) - 24 Feb 04  (Release) - 24 Feb 09  (Revision)
Method :  X-RAY DIFFRACTION
Resolution :  2.65
Chains :  Asym./Biol. Unit :  A,B
Keywords :  Blai, Meci, Repressor, Methicillin, B-Lactam, Dna Binding Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )
 
Reference :  M. K. Safo, Q. Zhao, T. -P. Ko, F. N. Musayev, H. Robinson, N. Scarsdale, A. H. -J. Wang, G. L. Archer
Crystal Structures Of The Blai Repressor From Staphylococcus Aureus And Its Complex With Dna: Insights Into Transcriptional Regulation Of The Bla And Mec Operons
J. Bacteriol. V. 187 1833 2005
PubMed-ID: 15716455  |  Reference-DOI: 10.1128/JB.187.5.1833-1844.2005
(for further references see the PDB file header)

(-) Compounds

Molecule 1 - METHICILLIN RESISTANCE REGULATORY PROTEIN MECI
    Chains: A, B
    Engineered: YES
    Expression System: ESCHERICHIA COLI
    Expression System Plasmid: PET3
    Expression System Strain: B834 (DE3)
    Expression System Taxid: 562
    Expression System Vector Type: PLASMID
    Gene: MECI, SA0040
    Organism Scientific: STAPHYLOCOCCUS AUREUS
    Organism Taxid: 1280
    Synonym: MECI

 Structural Features

(-) Chains, Units

  12
Asymmetric/Biological Unit : AB

Summary Information (see also Sequences/Alignments below)

(-) Ligands, Modified Residues, Ions  (1, 6)

Asymmetric/Biological Unit (1, 6)
No.NameCountTypeFull Name
1MSE6Mod. Amino AcidSELENOMETHIONINE

(-) Sites  (0, 0)

(no "Site" information available for 1SD7)

(-) SS Bonds  (0, 0)

(no "SS Bond" information available for 1SD7)

(-) Cis Peptide Bonds  (0, 0)

(no "Cis Peptide Bond" information available for 1SD7)

 Sequence-Structure Mapping

(-) SAPs(SNPs)/Variants  (0, 0)

(no "SAP(SNP)/Variant" information available for 1SD7)

(-) PROSITE Motifs  (0, 0)

(no "PROSITE Motif" information available for 1SD7)

(-) Exons   (0, 0)

(no "Exon" information available for 1SD7)

(-) 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:119
 aligned with MECI_STAAN | P68261 from UniProtKB/Swiss-Prot  Length:123

    Alignment length:119
                                    14        24        34        44        54        64        74        84        94       104       114         
           MECI_STAAN     5 TYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
               SCOP domains d1sd7a_ A: Methicillin resistance regulatory protein MecI                                                               SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhhhhhhh.....hhhhhhhhhhh....hhhhhhhhhhhhhhh..eeee......eeee..hhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh..hhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 1sd7 A   5 TYEISSAEWEVmNIIWmKKYASANNIIEEIQmQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
                                    14 |    | 24        34 |      44        54        64        74        84        94       104       114         
                                      16-MSE|             36-MSE                                                                                   
                                           21-MSE                                                                                                  


Chain A from PDB  Type:PROTEIN  Length:119
 aligned with MECI_STAAU | P68262 from UniProtKB/Swiss-Prot  Length:123

    Alignment length:119
                                    14        24        34        44        54        64        74        84        94       104       114         
           MECI_STAAU     5 TYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
               SCOP domains d1sd7a_ A: Methicillin resistance regulatory protein MecI                                                               SCOP domains
               CATH domains ----------------------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains ----------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ....hhhhhhhhhhhh.....hhhhhhhhhhh....hhhhhhhhhhhhhhh..eeee......eeee..hhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhh..hhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) ----------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ----------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ----------------------------------------------------------------------------------------------------------------------- Transcript
                 1sd7 A   5 TYEISSAEWEVmNIIWmKKYASANNIIEEIQmQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
                                    14 |    | 24        34 |      44        54        64        74        84        94       104       114         
                                      16-MSE|             36-MSE                                                                                   
                                           21-MSE                                                                                                  


Chain B from PDB  Type:PROTEIN  Length:118
 aligned with MECI_STAAN | P68261 from UniProtKB/Swiss-Prot  Length:123

    Alignment length:118
                                    14        24        34        44        54        64        74        84        94       104       114        
           MECI_STAAN     5 TYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNK 122
               SCOP domains d1sd7b_ B: Methicillin resistance regulatory protein MecI                                                              SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) ---Pencillinase_R-1sd7B01 B:8-122                                                                                      Pfam domains (1)
           Pfam domains (2) ---Pencillinase_R-1sd7B02 B:8-122                                                                                      Pfam domains (2)
         Sec.struct. author ....hhhhhhhhhhhhh...eehhhhhhhhh.....hhhhhhhhhhhhhhh..eeeeee..eeeeee..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------- Transcript
                 1sd7 B   5 TYEISSAEWEVmNIIWmKKYASANNIIEEIQmQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNK 122
                                    14 |    | 24        34 |      44        54        64        74        84        94       104       114        
                                      16-MSE|             36-MSE                                                                                  
                                           21-MSE                                                                                                 


Chain B from PDB  Type:PROTEIN  Length:118
 aligned with MECI_STAAU | P68262 from UniProtKB/Swiss-Prot  Length:123

    Alignment length:118
                                    14        24        34        44        54        64        74        84        94       104       114        
           MECI_STAAU     5 TYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNK 122
               SCOP domains d1sd7b_ B: Methicillin resistance regulatory protein MecI                                                              SCOP domains
               CATH domains ---------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) ---Pencillinase_R-1sd7B01 B:8-122                                                                                      Pfam domains (1)
           Pfam domains (2) ---Pencillinase_R-1sd7B02 B:8-122                                                                                      Pfam domains (2)
         Sec.struct. author ....hhhhhhhhhhhhh...eehhhhhhhhh.....hhhhhhhhhhhhhhh..eeeeee..eeeeee..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------------------------------------------------- Transcript
                 1sd7 B   5 TYEISSAEWEVmNIIWmKKYASANNIIEEIQmQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNK 122
                                    14 |    | 24        34 |      44        54        64        74        84        94       104       114        
                                      16-MSE|             36-MSE                                                                                  
                                           21-MSE
   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/Biological Unit
(-)
Class: All alpha proteins (14657)

(-) CATH Domains  (0, 0)

(no "CATH Domain" information available for 1SD7)

(-) Pfam Domains  (1, 2)

Asymmetric/Biological Unit
(-)
Clan: HTH (544)

(-) Gene Ontology  (6, 12)

Asymmetric/Biological Unit(hide GO term definitions)
Chain A,B   (MECI_STAAN | P68261)
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:0045892    negative regulation of transcription, DNA-templated    Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    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.
    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,B   (MECI_STAAU | P68262)
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:0045892    negative regulation of transcription, DNA-templated    Any process that stops, prevents, or reduces the frequency, rate or extent of cellular DNA-templated transcription.
    GO:0006355    regulation of transcription, DNA-templated    Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
    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.
    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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  1sd7
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  MECI_STAAN | P68261
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  MECI_STAAU | P68262
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 Related Entries

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

UniProtKB/Swiss-Prot
        MECI_STAAN | P68261: 1okr 1sax 1sd6 2d45
        MECI_STAAU | P68262: 1okr 1sax 1sd6

(-) Related Entries Specified in the PDB File

1sd4 CRYSTAL STRUCTURE OF A SEMET DERIVATIVE OF BLAI AT 2.0 A
1sd6 CRYSTAL STRUCTURE OF NATIVE MECI AT 2.65 A