1F21 - JenaLib

Title :   DIVALENT METAL COFACTOR BINDING IN THE KINETIC FOLDING TRAJECTORY OF E. COLI RIBONUCLEASE HI

Authors :   E. R. Goedken, J. L. Keck, J. M. Berger, S. Marqusee

Date :   22 May 00 (Deposition) - 06 Dec 00 (Release) - 24 Feb 09 (Revision)

Method :   X-RAY DIFFRACTION

Resolution :   1.40

Chains :   Asym./Biol. Unit : A

Keywords :   Rnase H, Nuclease, Rnase H*, Ribnuclease H, Metal-Binding Protein, Protein Folding, Hydrolase (Keyword Search: [Gene Ontology, PubMed, Web (Google)] )

Reference :   E. R. Goedken, J. L. Keck, J. M. Berger, S. Marqusee
Divalent Metal Cofactor Binding In The Kinetic Folding Trajectory Of Escherichia Coli Ribonuclease Hi.
Protein Sci. V. 9 1914 2000
PubMed-ID: 11106164
(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

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Exons (0, 0)

Sequences/Alignments

Asymmetric/Biological Unit

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Chain A from PDB  Type:PROTEIN  Length:152
 aligned with RNH_ECOLI | P0A7Y4 from UniProtKB/Swiss-Prot  Length:155

    Alignment length:152
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152  
            RNH_ECOLI     3 KQVEIFTDGSCLGNPGPGGYGAILRYRGREKTFSAGYTRTTNNRMELMAAIVALEALKEHCEVILSTDSQYVRQGITQWIHNWKKRGWKTADKKPVKNVDLWQRLDAALGQHQIKWEWVKGHAGHPENERCDELARAAAMNPTLEDTGYQVE 154
               SCOP domains d1f21a_ A: RNase H (RNase HI)                                                                                                                            SCOP domains
               CATH domains 1f21A00 A:3-154  [code=3.30.420.10, no name defined]                                                                                                     CATH domains
               Pfam domains -------------------------------------------------------------------------------------------------------------------------------------------------------- Pfam domains
         Sec.struct. author ..eeeeeeeee....eeeeeeeeeee..eeeeeeeeeeeehhhhhhhhhhhhhhhh.....eeeeee.hhhhhhhhhhhhhhhhhh...........hhhhhhhhhhhhh..eeeeee......hhhhhhhhhhhhhhhhh........... Sec.struct. author
                 SAPs(SNPs) -------------------------------------------------------------------------------------------------------------------------------------------------------- SAPs(SNPs)
                    PROSITE -------------------------------------------------------------------------------------------------------------------------------------------------------- PROSITE
                 Transcript -------------------------------------------------------------------------------------------------------------------------------------------------------- Transcript
                 1f21 A   3 KQVEIFTDGSALGNPGPGGYGAILRYRGREKTFSAGYTRTTNNRMELMAAIVALEALKEHAEVILSTDSQYVRQGITQWIHNWKKRGWKTADKKPVKNVDLWQRLDAALGQHQIKWEWVKGHAGHPENERADELARAAAMNPTLEDTGYQVE 154
                                    12        22        32        42        52        62        72        82        92       102       112       122       132       142       152

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Classification and Annotation

SCOP Domains (1, 1)

CATH Domains (1, 1)

Pfam Domains (0, 0)

Gene Ontology (12, 12)

Asymmetric/Biological Unit(hide GO term definitions)

Chain A (RNH_ECOLI | P0A7Y4)

molecular function
	GO:0004523	RNA-DNA hybrid ribonuclease activity	Catalysis of the endonucleolytic cleavage of RNA in RNA-DNA hybrids to 5'-phosphomonoesters.
	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:0003676	nucleic acid binding	Interacting selectively and non-covalently with any nucleic acid.
biological process
	GO:0043137	DNA replication, removal of RNA primer	Removal of the Okazaki RNA primer from the lagging strand of replicating DNA, by a combination of the actions of DNA polymerase, DNA helicase and an endonuclease.
	GO:0006401	RNA catabolic process	The chemical reactions and pathways resulting in the breakdown of RNA, ribonucleic acid, one of the two main type of nucleic acid, consisting of a long, unbranched macromolecule formed from ribonucleotides joined in 3',5'-phosphodiester linkage.
	GO:0090502	RNA phosphodiester bond hydrolysis, endonucleolytic	The chemical reactions and pathways involving the hydrolysis of internal 3',5'-phosphodiester bonds in one or two strands of ribonucleotides.
	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:0005737	cytoplasm	All of the contents of a cell excluding the plasma membrane and nucleus, but including other subcellular structures.

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