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Title :   STRUCTURE OF THE ESCHERICHIA COLI FLHDC COMPLEX, A PROKARYOTIC HETEROMERIC REGULATOR OF TRANSCRIPTION

Authors :   S. Wang, R. T. Fleming, E. M. Westbrook, P. Matsumura, D. B. Mckay

Date :   30 Aug 05 (Deposition) - 13 Dec 05 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   3.00

Chains :   Asym./Biol. Unit : A,B,C,D,E,F

Keywords :   C4-Type Zinc Finger, Transcription Activator (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   S. Wang, R. T. Fleming, E. M. Westbrook, P. Matsumura, D. B. Mckay
Structure Of The Escherichia Coli Flhdc Complex, A Prokaryotic Heteromeric Regulator Of Transcription.
J. Mol. Biol. V. 355 798 2006
PubMed-ID: 16337229 | Reference-DOI: 10.1016/J.JMB.2005.11.020
(for further references see the PDB file header)

Molecule 1 - TRANSCRIPTIONAL ACTIVATOR FLHD
	Chains	:	A, B, C, D
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI BL21(DE3)
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	469008
	Gene	:	FLHD, FLBB
	Organism Scientific	:	ESCHERICHIA COLI
	Organism Taxid	:	562

Molecule 2 - FLAGELLAR TRANSCRIPTIONAL ACTIVATOR FLHC
	Chains	:	E, F
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI BL21(DE3)
	Expression System Strain	:	BL21(DE3)
	Expression System Taxid	:	469008
	Gene	:	FLHC, FLAI
	Organism Scientific	:	ESCHERICHIA COLI
	Organism Taxid	:	562

		1	2	3	4	5	6
Asymmetric/Biological Unit	:	A	B	C	D	E	F

Summary Information (see also Sequences/Alignments below)

Asymmetric/Biological Unit (1, 2)

No.	Name	Count	Type	Full Name
1	ZN	2	Ligand/Ion	ZINC ION

Asymmetric Unit (2, 2)

No.	Name	Evidence	Residues	Description
1	AC1	SOFTWARE	CYS F:137 , CYS F:140 , CYS F:157 , CYS F:160	BINDING SITE FOR RESIDUE ZN F 300
2	AC2	SOFTWARE	CYS E:137 , CYS E:140 , CYS E:157 , CYS E:160	BINDING SITE FOR RESIDUE ZN E 400

(no "SS Bond" information available for 2AVU)

(no "Cis Peptide Bond" information available for 2AVU)

(no "SAP(SNP)/Variant" information available for 2AVU)

(no "PROSITE Motif" information available for 2AVU)

(no "Exon" information available for 2AVU)

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:76
 aligned with FLHD_ECOLI | P0A8S9 from UniProtKB/Swiss-Prot  Length:116

    Alignment length:76
                                    12        22        32        42        52        62        72      
           FLHD_ECOLI     3 TSELLKHIYDINLSYLLLAQRLIVQDKASAMFRLGINEEMATTLAALTLPQMVKLAETNQLVCHFRFDSHQTITQL  78
               SCOP domains d2avua_ A: Flagellar transcriptional activator FlhD                          SCOP domains
               CATH domains ---------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhh.....eee...hhhhhhhh Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------- Transcript
                 2avu A   3 TSELLKHIYDINLSYLLLAQRLIVQDKASAMFRLGINEEMATTLAALTLPQMVKLAETNQLVCHFRFDSHQTITQL  78
                                    12        22        32        42        52        62        72

Chain B from PDB  Type:PROTEIN  Length:104
 aligned with FLHD_ECOLI | P0A8S9 from UniProtKB/Swiss-Prot  Length:116

    Alignment length:104
                                    12        22        32        42        52        62        72        82        92       102    
           FLHD_ECOLI     3 TSELLKHIYDINLSYLLLAQRLIVQDKASAMFRLGINEEMATTLAALTLPQMVKLAETNQLVCHFRFDSHQTITQLTQDSRVDDLQQIHTGIMLSTRLLNDVNQ 106
               SCOP domains d2avub_ B: Flagellar transcriptional activator FlhD                                                      SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhh.....eee...hhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhhh Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------- Transcript
                 2avu B   3 TSELLKHIYDINLSYLLLAQRLIVQDKASAMFRLGINEEMATTLAALTLPQMVKLAETNQLVCHFRFDSHQTITQLTQDSRVDDLQQIHTGIMLSTRLLNDVNQ 106
                                    12        22        32        42        52        62        72        82        92       102

Chain C from PDB  Type:PROTEIN  Length:76
 aligned with FLHD_ECOLI | P0A8S9 from UniProtKB/Swiss-Prot  Length:116

    Alignment length:76
                                    12        22        32        42        52        62        72      
           FLHD_ECOLI     3 TSELLKHIYDINLSYLLLAQRLIVQDKASAMFRLGINEEMATTLAALTLPQMVKLAETNQLVCHFRFDSHQTITQL  78
               SCOP domains d2avuc_ C: Flagellar transcriptional activator FlhD                          SCOP domains
               CATH domains ---------------------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhh....hhhhhh..hhhhhhhhhh.hhhhhhhhhh.....eee........... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------------------- Transcript
                 2avu C   3 TSELLKHIYDINLSYLLLAQRLIVQDKASAMFRLGINEEMATTLAALTLPQMVKLAETNQLVCHFRFDSHQTITQL  78
                                    12        22        32        42        52        62        72

Chain D from PDB  Type:PROTEIN  Length:104
 aligned with FLHD_ECOLI | P0A8S9 from UniProtKB/Swiss-Prot  Length:116

    Alignment length:104
                                    12        22        32        42        52        62        72        82        92       102    
           FLHD_ECOLI     3 TSELLKHIYDINLSYLLLAQRLIVQDKASAMFRLGINEEMATTLAALTLPQMVKLAETNQLVCHFRFDSHQTITQLTQDSRVDDLQQIHTGIMLSTRLLNDVNQ 106
               SCOP domains d2avud_ D: Flagellar transcriptional activator FlhD                                                      SCOP domains
               CATH domains -------------------------------------------------------------------------------------------------------- CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh.hhhhhhhhhhhhhhhhhhhhh.....eee...hhhhhhhhhh...hhhhhhhhhhhhhhhhhhhhhh. Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------- Transcript
                 2avu D   3 TSELLKHIYDINLSYLLLAQRLIVQDKASAMFRLGINEEMATTLAALTLPQMVKLAETNQLVCHFRFDSHQTITQLTQDSRVDDLQQIHTGIMLSTRLLNDVNQ 106
                                    12        22        32        42        52        62        72        82        92       102

Chain E from PDB  Type:PROTEIN  Length:156
 aligned with FLHC_ECOLI | P0ABY7 from UniProtKB/Swiss-Prot  Length:192

    Alignment length:156
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154      
           FLHC_ECOLI     5 SIVQEARDIQLAMELITLGARLQMLESETQLSRGRLIKLYKELRGSPPPKGMLPFSTDWFMTWEQNVHASMFCNAWQFLLKTGLCNGVDAVIKAYRLYLEQCPQAEEGPLLALTRAWTLVRFVESGLLQLSSCNCCGGNFITHAHQPVGSFACSLC 160
               SCOP domains d2avue1 E:5-160 Flagellar transcriptional activator FlhC                                                                                                     SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhh...hhhhhhhh..hhhhhhhhhhhhh............hhhhhhhhhhhhhhhhhhhhhhhhhh....hhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhh..eeeee......eeeee............. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2avu E   5 SIVQEARDIQLAMELITLGARLQMLESETQLSRGRLIKLYKELRGSPPPKGMLPFSTDWFMTWEQNVHASMFCNAWQFLLKTGLCNGVDAVIKAYRLYLEQCPQAEEGPLLALTRAWTLVRFVESGLLQLSSCNCCGGNFITHAHQPVGSFACSLC 160
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154

Chain F from PDB  Type:PROTEIN  Length:156
 aligned with FLHC_ECOLI | P0ABY7 from UniProtKB/Swiss-Prot  Length:192

    Alignment length:156
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154      
           FLHC_ECOLI     5 SIVQEARDIQLAMELITLGARLQMLESETQLSRGRLIKLYKELRGSPPPKGMLPFSTDWFMTWEQNVHASMFCNAWQFLLKTGLCNGVDAVIKAYRLYLEQCPQAEEGPLLALTRAWTLVRFVESGLLQLSSCNCCGGNFITHAHQPVGSFACSLC 160
               SCOP domains d2avuf_ F: Flagellar transcriptional activator FlhC                                                                                                          SCOP domains
               CATH domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author hhhhhhhhhhhhhhhhhh.....hhhhhh..hhhhhhhhhhhhhh...........hhhhhhhhhhhhhhhhhhhhhhhhhhh...hhhhhhhhhhhhhhhh.........hhhhhhhhhhhhhh...eeee......eeee.............. Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------------------------------------------ Transcript
                 2avu F   5 SIVQEARDIQLAMELITLGARLQMLESETQLSRGRLIKLYKELRGSPPPKGMLPFSTDWFMTWEQNVHASMFCNAWQFLLKTGLCNGVDAVIKAYRLYLEQCPQAEEGPLLALTRAWTLVRFVESGLLQLSSCNCCGGNFITHAHQPVGSFACSLC 160
                                    14        24        34        44        54        64        74        84        94       104       114       124       134       144       154

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 '\|'

(no "CATH Domain" information available for 2AVU)

(no "Pfam Domain" information available for 2AVU)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A,B,C,D (FLHD_ECOLI | P0A8S9)

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:0044780	bacterial-type flagellum assembly	The assembly of a bacterial-type flagellum, a motor complex composed of an extracellular helical protein filament coupled to a rotary motor embedded in the cell envelope which functions in cell motility.
	GO:0044781	bacterial-type flagellum organization	A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a bacterial-type flagellum, a motor complex composed of an extracellular helical protein filament coupled to a rotary motor embedded in the cell envelope which functions in cell motility.
	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:0045893	positive regulation of transcription, DNA-templated	Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.
	GO:1902208	regulation of bacterial-type flagellum assembly	Any process that modulates the frequency, rate or extent of bacterial-type flagellum assembly.
	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.
cellular component
	GO:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

Chain E,F (FLHC_ECOLI | P0ABY7)

molecular function
	GO:0003677	DNA binding	Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0008270	zinc ion binding	Interacting selectively and non-covalently with zinc (Zn) ions.
biological process
	GO:0044781	bacterial-type flagellum organization	A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a bacterial-type flagellum, a motor complex composed of an extracellular helical protein filament coupled to a rotary motor embedded in the cell envelope which functions in cell motility.
	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:0045893	positive regulation of transcription, DNA-templated	Any process that activates or increases the frequency, rate or extent of cellular DNA-templated transcription.
	GO:1902208	regulation of bacterial-type flagellum assembly	Any process that modulates the frequency, rate or extent of bacterial-type flagellum assembly.
	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.
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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Description

Compounds

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (1, 2)

Sites (2, 2)

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

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