2H8E - JenaLib

Title :   STRUCTURE RUSA D70N

Authors :   R. A. Macmaster

Date :   07 Jun 06 (Deposition) - 24 Apr 07 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.20

Chains :   Asym. Unit : A
Biol. Unit 1: A  (2x)

Keywords :   Homologous Recombination, Dna Repair, Resolvase, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   R. Macmaster, S. Sedelnikova, P. J. Baker, E. L. Bolt, R. G. Lloyd, J. B. Rafferty
Rusa Holliday Junction Resolvase: Dna Complex Structure--Insights Into Selectivity And Specificity.
Nucleic Acids Res. V. 34 5577 2006
PubMed-ID: 17028102 | Reference-DOI: 10.1093/NAR/GKL447
(for further references see the PDB file header)

Compounds

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

Asymmetric 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)
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Chain A from PDB  Type:PROTEIN  Length:120
 aligned with RUSA_ECOLI | P0AG74 from UniProtKB/Swiss-Prot  Length:120

    Alignment length:120
                                    10        20        30        40        50        60        70        80        90       100       110       120
           RUSA_ECOLI     1 MNTYSITLPWPPSNNRYYRHNRGRTHVSAEGQAYRDNVARIIKNAMLDIGLAMPVKIRIECHMPDRRRRDLDNLQKAAFDALTKAGFWLDDAQVVDYRVVKMPVTKGGRLELTITEMGNE 120
               SCOP domains d2h8ea_ A: automated matches                                                                                             SCOP domains
               CATH domains 2h8eA00 A:1-120 Holliday junction resolvase RusA. Chain A                                                                CATH domains
               Pfam domains ------------------------------------------------------------------------------------------------------------------------ Pfam domains
         Sec.struct. author ..eeeeeee...hhhhheee....eeehhhhhhhhhhhhhhhhhh.........eeeeeeee........hhhhhhhhhhhhhhh....hhh.eeeeeeeee......eeeeeeee.... Sec.struct. author
                 SAPs(SNPs) ------------------------------------------------------------------------------------------------------------------------ SAPs(SNPs)
                    PROSITE ------------------------------------------------------------------------------------------------------------------------ PROSITE
                 Transcript ------------------------------------------------------------------------------------------------------------------------ Transcript
                 2h8e A   1 MNTYSITLPWPPSNNRYYRHNRGRTHVSAEGQAYRDNVARIIKNAMLDIGLAMPVKIRIECHMPDRRRRNLDNLQKAAFDALTKAGFWLDDAQVVDYRVVKMPVTKGGRLELTITEMGNE 120
                                    10        20        30        40        50        60        70        80        90       100       110       120

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	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, 1)

CATH Domains (1, 1)

Pfam Domains (0, 0)

Gene Ontology (12, 12)

Asymmetric Unit(hide GO term definitions)

Chain A (RUSA_ECOLI | P0AG74)

molecular function
	GO:0008821	crossover junction endodeoxyribonuclease activity	Catalysis of the endonucleolytic cleavage at a junction such as a reciprocal single-stranded crossover between two homologous DNA duplexes (Holliday junction).
	GO:0004519	endonuclease activity	Catalysis of the hydrolysis of ester linkages within nucleic acids by creating internal breaks.
	GO:0016787	hydrolase activity	Catalysis of the hydrolysis of various bonds, e.g. C-O, C-N, C-C, phosphoric anhydride bonds, etc. Hydrolase is the systematic name for any enzyme of EC class 3.
	GO:0000287	magnesium ion binding	Interacting selectively and non-covalently with magnesium (Mg) ions.
	GO:0046872	metal ion binding	Interacting selectively and non-covalently with any metal ion.
	GO:0004518	nuclease activity	Catalysis of the hydrolysis of ester linkages within nucleic acids.
	GO:0010844	recombination hotspot binding	Interacting selectively and non-covalently with a region in a genome which promotes recombination.
biological process
	GO:0006310	DNA recombination	Any process in which a new genotype is formed by reassortment of genes resulting in gene combinations different from those that were present in the parents. In eukaryotes genetic recombination can occur by chromosome assortment, intrachromosomal recombination, or nonreciprocal interchromosomal recombination. Intrachromosomal recombination occurs by crossing over. In bacteria it may occur by genetic transformation, conjugation, transduction, or F-duction.
	GO:0006281	DNA repair	The process of restoring DNA after damage. Genomes are subject to damage by chemical and physical agents in the environment (e.g. UV and ionizing radiations, chemical mutagens, fungal and bacterial toxins, etc.) and by free radicals or alkylating agents endogenously generated in metabolism. DNA is also damaged because of errors during its replication. A variety of different DNA repair pathways have been reported that include direct reversal, base excision repair, nucleotide excision repair, photoreactivation, bypass, double-strand break repair pathway, and mismatch repair pathway.
	GO:0006974	cellular response to DNA damage stimulus	Any process that results in a change in state or activity of a cell (in terms of movement, secretion, enzyme production, gene expression, etc.) as a result of a stimulus indicating damage to its DNA from environmental insults or errors during metabolism.
	GO:0090305	nucleic acid phosphodiester bond hydrolysis	The nucleic acid metabolic process in which the phosphodiester bonds between nucleotides are cleaved by hydrolysis.
cellular component
	GO:0048476	Holliday junction resolvase complex	A protein complex that mediates the conversion of a Holliday junction into two separate duplex DNA molecules; the complex includes a single- or multisubunit helicase that catalyzes the extension of heteroduplex DNA by branch migration and a nuclease that resolves the junction by nucleolytic cleavage.

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