2Y90 - JenaLib

Title :   CRYSTAL STRUCTURE OF HFQ RIBOREGULATOR FROM E. COLI (P6 SPACE GROUP)

Authors :   J. Basquin, C. Sauter

Date :   11 Feb 11 (Deposition) - 21 Dec 11 (Release) - 21 Dec 11 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   2.25

Chains :   Asym. Unit : A
Biol. Unit 1: A  (6x)

Keywords :   Rna-Binding Protein, Sm-Like, Rna Chaperone (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   L. Bonnefond, P. Schellenberger, J. Basquin, G. Demangeat, C. Ritzenthaler, R. Chenevert, C. Balg, M. Frugier, J. Rudinger-Thirion, R. Giege, L. Lorber, C. Sauter
Exploiting Protein Engineering And Crystal Polymorphism For Successful X-Ray Structure Determination
Cryst. Growth Des. V. 11 4334 2011
PubMed: search | Reference-DOI: 10.1021/CG101468P
(for further references see the PDB file header)

Compounds

Molecule 1 - PROTEIN HFQ
	Chains	:	A
	Engineered	:	YES
	Expression System	:	ESCHERICHIA COLI
	Expression System Strain	:	BL21(DE3) STAR
	Expression System Taxid	:	469008
	Expression System Vector	:	PETM11
	Expression System Vector Type	:	PLASMID
	Organism Scientific	:	ESCHERICHIA COLI
	Organism Taxid	:	562
	Synonym	:	HF-1, HOST FACTOR-I PROTEIN, HF-I

Structural Features

Chains, Units

Ligands, Modified Residues, Ions (0, 0)

Sites (0, 0)

SS Bonds (0, 0)

Cis Peptide Bonds (0, 0)

Sequence-Structure Mapping

SAPs(SNPs)/Variants (0, 0)

PROSITE Motifs (0, 0)

Exons (0, 0)

Sequences/Alignments

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Chain A from PDB  Type:PROTEIN  Length:64
 aligned with HFQ_ECOLI | P0A6X3 from UniProtKB/Swiss-Prot  Length:102

    Alignment length:64
                                    15        25        35        45        55        65    
             HFQ_ECOLI    6 SLQDPFLNALRRERVPVSIYLVNGIKLQGQIESFDQFVILLKNTVSQMVYKHAISTVVPSRPVS 69
               SCOP domains d2y90a_ A: automated matches                                     SCOP domains
               CATH domains ---------------------------------------------------------------- CATH domains
               Pfam domains ---------------------------------------------------------------- Pfam domains
         Sec.struct. author .hhhhhhhhhhhh...eeeee....eeeeeeeee...eeeee...eeeee...eeeeee..... Sec.struct. author
                 SAPs(SNPs) ---------------------------------------------------------------- SAPs(SNPs)
                    PROSITE ---------------------------------------------------------------- PROSITE
                 Transcript ---------------------------------------------------------------- Transcript
                  2y90 A  6 SLQDPFLNALRRERVPVSIYLVNGIKLQGQIESFDQFVILLKNTVSQMVYKHAISTVVPSRPVS 69
                                    15        25        35        45        55        65

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Classification and Annotation

SCOP Domains (1, 1)

CATH Domains (0, 0)

Pfam Domains (0, 0)

Gene Ontology (8, 8)

Asymmetric Unit(hide GO term definitions)

Chain A (HFQ_ECOLI | P0A6X3)

molecular function
	GO:0003677	DNA binding	Any molecular function by which a gene product interacts selectively and non-covalently with DNA (deoxyribonucleic acid).
	GO:0003723	RNA binding	Interacting selectively and non-covalently with an RNA molecule or a portion thereof.
	GO:0003681	bent DNA binding	Interacting selectively and non-covalently with DNA in a bent conformation.
	GO:0005515	protein binding	Interacting selectively and non-covalently with any protein or protein complex (a complex of two or more proteins that may include other nonprotein molecules).
biological process
	GO:0040033	negative regulation of translation, ncRNA-mediated	Any process, mediated by small non-coding RNAs, that stops, prevents or reduces the rate that mRNAs are effectively translated into protein.
	GO:0045975	positive regulation of translation, ncRNA-mediated	Any process, mediated by small non-coding RNAs, that activates or increases the rate that mRNAs are effectively translated into protein.
	GO:0006355	regulation of transcription, DNA-templated	Any process that modulates the frequency, rate or extent of cellular DNA-templated transcription.
cellular component
	GO:0005829	cytosol	The part of the cytoplasm that does not contain organelles but which does contain other particulate matter, such as protein complexes.

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Description