| Identification |
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| Name: | Inactive ribonuclease PH |
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| Synonyms: | - RNase PH
- tRNA nucleotidyltransferase
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| Gene Name: | rph |
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| Enzyme Class: | |
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| Biological Properties |
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| General Function: | Cell cycle control, cell division, chromosome partitioning |
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| Specific Function: | Phosphorolytic exoribonuclease that removes nucleotide residues following the -CCA terminus of tRNA and adds nucleotides to the ends of RNA molecules by using nucleoside diphosphates as substrates. Also acts to regulate the attenuation of pyrE |
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| Cellular Location: | Cytoplasmic |
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| SMPDB Pathways: | Not Available |
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| KEGG Pathways: | Not Available |
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| Complex Reactions: | |
1.0tRNA(n+1) | + | 1.0 | → | 1.0tRNA(n) | + | 1.0a nucleoside diphosphate |
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| Metabolites: | | ECMDB ID | Name | View |
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| ECMDB21380 | Inorganic phosphate | MetaboCard |
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| GO Classification: | | Function |
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| 3'-5' exonuclease activity | | 3'-5'-exoribonuclease activity | | binding | | catalytic activity | | exonuclease activity | | hydrolase activity | | hydrolase activity, acting on ester bonds | | nuclease activity | | nucleic acid binding | | ribonuclease activity | | RNA binding | | tRNA binding | | tRNA-specific ribonuclease activity | | Process |
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| cellular macromolecule metabolic process | | macromolecule metabolic process | | metabolic process | | ncRNA metabolic process | | RNA metabolic process | | RNA processing | | tRNA metabolic process | | tRNA processing |
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| Gene Properties |
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| Blattner: | Not Available |
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| Gene Orientation | Not Available |
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| Centisome Percentage: | Not Available |
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| Left Sequence End | Not Available |
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| Right Sequence End | Not Available |
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| Gene Sequence: | >687 bp
ATGCGTCCAGCAGGCCGTAGCAATAATCAGGTGCGTCCCGTTACCCTGACTCGTAACTAT
ACAAAACATGCAGAAGGCTCGGTGCTGGTCGAATTTGGCGATACCAAAGTGTTGTGTACC
GCCTCTATTGAAGAAGGCGTGCCGCGCTTCCTGAAAGGTCAGGGCCAGGGCTGGATCACC
GCAGAGTACGGCATGCTGCCACGTTCTACCCACACCCGTAACGCTCGTGAAGCGGCGAAA
GGTAAGCAGGGTGGACGCACAATGGAAATCCAGCGTCTGATCGCCCGTGCTCTTCGCGCG
GCAGTAGATTTGAAAGCGCTGGGTGAGTTCACCATTACGCTGGACTGCGACGTGCTTCAG
GCTGATGGTGGCACGCGTACCGCGTCGATTACGGGTGCCTGCGTGGCGCTGGTAGATGCG
CTACAGAAGCTGGTGGAAAACGGCAAGCTGAAAACCAATCCGATGAAAGGGATGGTAGCC
GCAGTTTCTGTCGGAATTGTGAACGGCGAAGCGGTTTGCGATCTGGAATACGTTGAAGAC
TCTGCCGCAGAGACCGACATGAACGTAGTGATGACCGAAGACGGGCGCATCATTGAAGTG
CAGGGGACGGCAGAAGGCGAGCCGTTCACCCATGAAGAGCTACTCATCTTGTTGGCTCTG
GCCCGAGGGGAATCGAATCCATTGTAG |
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| Protein Properties |
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| Pfam Domain Function: | |
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| Protein Residues: | 228 |
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| Protein Molecular Weight: | 24425 |
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| Protein Theoretical pI: | 5 |
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| Signaling Regions: | |
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| Transmembrane Regions: | |
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| Protein Sequence: | >Inactive ribonuclease PH
MRPAGRSNNQVRPVTLTRNYTKHAEGSVLVEFGDTKVLCTASIEEGVPRFLKGQGQGWIT
AEYGMLPRSTHTRNAREAAKGKQGGRTMEIQRLIARALRAAVDLKALGEFTITLDCDVLQ
ADGGTRTASITGACVALVDALQKLVENGKLKTNPMKGMVAAVSVGIVNGEAVCDLEYVED
SAAETDMNVVMTEDGRIIEVQGTAEGEPFTHEELLILLALARGESNPL |
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| References |
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| External Links: | |
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| General Reference: | - Blattner, F. R., Plunkett, G. 3rd, Bloch, C. A., Perna, N. T., Burland, V., Riley, M., Collado-Vides, J., Glasner, J. D., Rode, C. K., Mayhew, G. F., Gregor, J., Davis, N. W., Kirkpatrick, H. A., Goeden, M. A., Rose, D. J., Mau, B., Shao, Y. (1997). "The complete genome sequence of Escherichia coli K-12." Science 277:1453-1462. Pubmed: 9278503
- Burland, V., Plunkett, G. 3rd, Daniels, D. L., Blattner, F. R. (1993). "DNA sequence and analysis of 136 kilobases of the Escherichia coli genome: organizational symmetry around the origin of replication." Genomics 16:551-561. Pubmed: 7686882
- Hayashi, K., Morooka, N., Yamamoto, Y., Fujita, K., Isono, K., Choi, S., Ohtsubo, E., Baba, T., Wanner, B. L., Mori, H., Horiuchi, T. (2006). "Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110." Mol Syst Biol 2:2006.0007. Pubmed: 16738553
- Jensen, K. F. (1993). "The Escherichia coli K-12 "wild types" W3110 and MG1655 have an rph frameshift mutation that leads to pyrimidine starvation due to low pyrE expression levels." J Bacteriol 175:3401-3407. Pubmed: 8501045
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