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Title :   THREE-DIMENSIONAL STRUCTURE OF S.AUREUS METHICILLIN-RESISTANCE REGULATING TRANSCRIPTIONAL REPRESSOR MECI.

Authors :   R. Garcia-Castellanos, A. Marrero, G. Mallorqui-Fernandez, J. Potem M. Coll, F. X. Gomis-Ruth

Date :   28 Jul 03 (Deposition) - 09 Oct 03 (Release) - 05 Jul 17 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.40

Chains :   Asym./Biol. Unit : A,B

Keywords :   Bacterial Antibiotic Resistance, Meci Protein, Transcriptional Regulatory Element, Dna-Binding Protein, Winged Helix Protein (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   R. Garcia-Castellanos, A. Marrero, G. Mallorqui-Fernandez, J. Potempa, M. Coll, F. X. Gomis-Ruth
Three-Dimensional Structure Of Meci: Molecular Basis For Transcriptional Regulation Of Staphylococcal Methicillin Resistance
J. Biol. Chem. V. 278 39897 2003
PubMed-ID: 12881514 | Reference-DOI: 10.1074/JBC.M307199200

Molecule 1 - METHICILLIN RESISTANCE REGULATORY PROTEIN MECI
	Chains	:	A, B
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Taxid	:	562
	Organism Scientific	:	STAPHYLOCOCCUS AUREUS
	Organism Taxid	:	1280
	Strain	:	N315
	Synonym	:	MECI

		1	2
Asymmetric/Biological Unit	:	A	B

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (2, 3)

No.	Name	Count	Type	Full Name
1	CL	1	Ligand/Ion	CHLORIDE ION
2	GOL	2	Ligand/Ion	GLYCEROL

Asymmetric Unit (2, 2)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	TRP A:20 , SER A:71 , VAL A:73	BINDING SITE FOR RESIDUE GOL A 1124
2	AC2	SOFTWARE	GLU B:74	BINDING SITE FOR RESIDUE GOL B1123

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

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

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

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

(no "Exon" information available for 1OKR)

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:120
 aligned with MECI_STAAN | P68261 from UniProtKB/Swiss-Prot  Length:123

    Alignment length:120
                                    13        23        33        43        53        63        73        83        93       103       113       123
           MECI_STAAN     4 KTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
               SCOP domains d1okra_ A: Methicillin resistance regulatory protein MecI                                                                SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .....hhhhhhhhhhhhhhh.eehhhhhhhhhhhh..hhhhhhhhhhhhhhh..eeeeee..eeeeee..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------ Transcript
                 1okr A   4 KTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
                                    13        23        33        43        53        63        73        83        93       103       113       123

Chain A from PDB  Type:PROTEIN  Length:120
 aligned with MECI_STAAU | P68262 from UniProtKB/Swiss-Prot  Length:123

    Alignment length:120
                                    13        23        33        43        53        63        73        83        93       103       113       123
           MECI_STAAU     4 KTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
               SCOP domains d1okra_ A: Methicillin resistance regulatory protein MecI                                                                SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .....hhhhhhhhhhhhhhh.eehhhhhhhhhhhh..hhhhhhhhhhhhhhh..eeeeee..eeeeee..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------ Transcript
                 1okr A   4 KTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
                                    13        23        33        43        53        63        73        83        93       103       113       123

Chain A from PDB  Type:PROTEIN  Length:120
 aligned with MECI_STAEP | P68263 from UniProtKB/Swiss-Prot  Length:123

    Alignment length:120
                                    13        23        33        43        53        63        73        83        93       103       113       123
           MECI_STAEP     4 KTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
               SCOP domains d1okra_ A: Methicillin resistance regulatory protein MecI                                                                SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author .....hhhhhhhhhhhhhhh.eehhhhhhhhhhhh..hhhhhhhhhhhhhhh..eeeeee..eeeeee..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhh.. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------ Transcript
                 1okr A   4 KTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
                                    13        23        33        43        53        63        73        83        93       103       113       123

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

    Alignment length:123
                                    10        20        30        40        50        60        70        80        90       100       110       120   
           MECI_STAAN     1 MDNKTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
               SCOP domains d1okrb_ B: Methicillin resistance regulatory protein MecI                                                                   SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) -------Pencillinase_R-1okrB01 B:8-122                                                                                     - Pfam domains (1)
           Pfam domains (2) -------Pencillinase_R-1okrB02 B:8-122                                                                                     - Pfam domains (2)
         Sec.struct. author ........hhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhhhh..eeeeee..eeeeee..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------- Transcript
                 1okr B   1 MDNKTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
                                    10        20        30        40        50        60        70        80        90       100       110       120

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

    Alignment length:123
                                    10        20        30        40        50        60        70        80        90       100       110       120   
           MECI_STAAU     1 MDNKTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
               SCOP domains d1okrb_ B: Methicillin resistance regulatory protein MecI                                                                   SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) -------Pencillinase_R-1okrB01 B:8-122                                                                                     - Pfam domains (1)
           Pfam domains (2) -------Pencillinase_R-1okrB02 B:8-122                                                                                     - Pfam domains (2)
         Sec.struct. author ........hhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhhhh..eeeeee..eeeeee..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------- Transcript
                 1okr B   1 MDNKTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
                                    10        20        30        40        50        60        70        80        90       100       110       120

Chain B from PDB  Type:PROTEIN  Length:123
 aligned with MECI_STAEP | P68263 from UniProtKB/Swiss-Prot  Length:123

    Alignment length:123
                                    10        20        30        40        50        60        70        80        90       100       110       120   
           MECI_STAEP     1 MDNKTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
               SCOP domains d1okrb_ B: Methicillin resistance regulatory protein MecI                                                                   SCOP domains
               CATH domains --------------------------------------------------------------------------------------------------------------------------- CATH domains
           Pfam domains (1) -------Pencillinase_R-1okrB01 B:8-122                                                                                     - Pfam domains (1)
           Pfam domains (2) -------Pencillinase_R-1okrB02 B:8-122                                                                                     - Pfam domains (2)
         Sec.struct. author ........hhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhhhh..eeeeee..eeeeee..hhhhhhhhhhhhhhhhhh..hhhhhhhhhhhhh..hhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) --------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE --------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript --------------------------------------------------------------------------------------------------------------------------- Transcript
                 1okr B   1 MDNKTYEISSAEWEVMNIIWMKKYASANNIIEEIQMQKDWSPKTIRTLITRLYKKGFIDRKKDNKIFQYYSLVEESDIKYKTSKNFINKVYKGGFNSLVLNFVEKEDLSQDEIEELRNILNKK 123
                                    10        20        30        40        50        60        70        80        90       100       110       120

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 '\|'

Asymmetric/Biological Unit

Classes(

)

Folds(

)

Superfamilies( (-)

)

Families(

)

Protein Domains( (-)

)

Organisms( (-)

)

Class: All alpha proteins (14657)

Fold: DNA/RNA-binding 3-helical bundle (1299)

Superfamily: Winged helix DNA-binding domain (576)

Family: Penicillinase repressor (10)

Protein domain: Methicillin resistance regulatory protein MecI (5)

Staphylococcus aureus [TaxId: 1280] (5)

1a	d1okra_	A:
1b	d1okrb_	B:

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

Asymmetric/Biological Unit

Clans(

)

Families(

)

Organisms( (-)

)

Clan: HTH (544)

Family: Pencillinase_R (8)

Staphylococcus aureus (strain N315) (2)

1a	Pencillinase_R-1okrB01	B:8-122
1b	Pencillinase_R-1okrB02	B:8-122

Asymmetric/Biological Unit(hide GO term definitions)

Chain A,B (MECI_STAEP | P68263)

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.

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.

Asymmetric/Biological Unit
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	1okr
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	MECI_STAAU \| P68262
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	MECI_STAEP \| P68263
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(no "Related Entries Specified in the PDB File" available for 1OKR)

Description

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Ligands, Modified Residues, Ions (2, 3)

Sites (2, 2)

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

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