mRNA-capping enzyme

NamemRNA-capping enzyme
Synonyms
  • CAP1A
  • HCAP1
  • HCE
Gene NameRNGTT
OrganismHuman
Amino acid sequence
>lcl|BSEQ0009361|mRNA-capping enzyme
MAHNKIPPRWLNCPRRGQPVAGRFLPLKTMLGPRYDSQVAEENRFHPSMLSNYLKSLKVK
MGLLVDLTNTSRFYDRNDIEKEGIKYIKLQCKGHGECPTTENTETFIRLCERFNERNPPE
LIGVHCTHGFNRTGFLICAFLVEKMDWSIEAAVATFAQARPPGIYKGDYLKELFRRYGDI
EEAPPPPLLPDWCFEDDEDEDEDEDGKKESEPGSSASFGKRRKERLKLGAIFLEGVTVKG
VTQVTTQPKLGEVQQKCHQFCGWEGSGFPGAQPVSMDKQNIKLLDLKPYKVSWKADGTRY
MMLIDGTNEVFMIDRDNSVFHVSNLEFPFRKDLRMHLSNTLLDGEMIIDRVNGQAVPRYL
IYDIIKFNSQPVGDCDFNVRLQCIEREIISPRHEKMKTGLIDKTQEPFSVRNKPFFDICT
SRKLLEGNFAKEVSHEMDGLIFQPTGKYKPGRCDDILKWKPPSLNSVDFRLKITRMGGEG
LLPQNVGLLYVGGYERPFAQIKVTKELKQYDNKIIECKFENNSWVFMRQRTDKSFPNAYN
TAMAVCNSISNPVTKEMLFEFIDRCTAASQGQKRKHHLDPDTELMPPPPPKRPRPLT
Number of residues597
Molecular Weight68556.21
Theoretical pINot Available
GO Classification
Functions
  • protein tyrosine phosphatase activity
  • triphosphatase activity
  • RNA guanylyltransferase activity
  • mRNA guanylyltransferase activity
  • protein tyrosine/serine/threonine phosphatase activity
  • polynucleotide 5'-phosphatase activity
  • GTP binding
Processes
  • RNA processing
  • transcription from RNA polymerase II promoter
  • gene expression
  • viral process
  • 7-methylguanosine mRNA capping
  • polynucleotide 5' dephosphorylation
Components
  • nucleoplasm
  • nucleus
General FunctionTriphosphatase activity
Specific FunctionBifunctional mRNA-capping enzyme exhibiting RNA 5'-triphosphatase activity in the N-terminal part and mRNA guanylyltransferase activity in the C-terminal part. Catalyzes the first two steps of cap formation: by removing the gamma-phosphate from the 5'-triphosphate end of nascent mRNA to yield a diphosphate end, and by transferring the gmp moiety of GTP to the 5'-diphosphate terminus.
Pfam Domain Function
Transmembrane RegionsNot Available
GenBank Protein IDNot Available
UniProtKB IDO60942
UniProtKB Entry NameMCE1_HUMAN
Cellular LocationNucleus
Gene sequence
>lcl|BSEQ0017442|mRNA-capping enzyme (RNGTT)
ATGGCTCACAACAAGATCCCGCCGCGGTGGCTGAACTGTCCCCGGCGCGGCCAGCCGGTG
GCAGGAAGATTCTTACCTCTGAAGACAATGTTAGGACCAAGATATGATAGTCAAGTTGCT
GAAGAAAATCGGTTCCATCCCAGCATGCTCTCAAATTACCTAAAGAGCCTAAAGGTTAAA
ATGGGCTTGTTGGTGGACCTGACAAATACTTCAAGGTTCTATGACCGAAATGACATAGAA
AAAGAAGGAATCAAATATATAAAACTTCAGTGTAAAGGACATGGTGAGTGCCCTACCACT
GAGAATACTGAGACCTTTATTCGTCTGTGTGAGCGGTTTAATGAAAGAAATCCACCTGAA
CTTATAGGTGTTCATTGTACTCATGGCTTCAATCGCACTGGTTTCCTCATATGTGCCTTT
TTGGTGGAGAAAATGGATTGGAGTATCGAAGCAGCAGTTGCTACTTTTGCCCAAGCCAGA
CCACCAGGAATCTACAAGGGTGATTATTTGAAGGAACTTTTTCGTCGGTATGGTGACATA
GAGGAAGCACCACCCCCACCTCTATTGCCAGATTGGTGTTTTGAGGATGATGAAGACGAA
GATGAGGATGAGGATGGAAAGAAGGAATCAGAACCCGGGTCAAGTGCTTCTTTTGGCAAA
AGGAGAAAAGAACGGTTAAAACTGGGCGCTATTTTCTTGGAAGGTGTTACTGTTAAAGGT
GTAACTCAAGTAACAACACAACCAAAGTTAGGAGAGGTACAGCAGAAGTGTCATCAATTC
TGTGGCTGGGAAGGGTCTGGATTCCCTGGAGCACAGCCTGTTTCCATGGACAAGCAAAAT
ATTAAACTTTTAGACCTGAAGCCATACAAAGTAAGCTGGAAAGCAGATGGTACTCGGTAC
ATGATGTTGATTGATGGCACAAATGAAGTTTTTATGATTGATAGAGACAATTCAGTATTT
CATGTTTCAAATCTGGAATTTCCATTTCGTAAAGATCTTCGTATGCATTTATCAAATACT
CTCTTGGATGGCGAGATGATTATTGACAGAGTAAATGGACAGGCTGTTCCTAGATATTTG
ATATATGACATAATTAAATTCAATTCACAGCCCGTTGGAGATTGTGATTTTAATGTTCGT
CTGCAGTGTATAGAACGAGAAATTATAAGTCCTCGACACGAAAAAATGAAGACTGGGCTC
ATTGACAAAACACAGGAACCATTTAGCGTCAGAAATAAGCCGTTTTTTGACATCTGTACT
TCAAGAAAGAAATACAAACCTGGTCGATGTGATGATATTTTGAAATGGAAGCCTCCCAGT
CTGAATTCTGTGGATTTTCGTCTAAAAATAACAAGAATGGGAGGAGAAGGGTTACTTCCT
CAGAATGTTGGCCTCCTGTATGTTGGAGGTTATGAAAGACCCTTTGCACAAATCAAGGTG
ACAAAAGAGCTGAAACAGTATGACAACAAAATTATAGAATGCAAATTTGAGAACAACAGC
TGGGTCTTCATGAGACAGAGAACAGACAAAAGTTTTCCTAATGCCTACAACACTGCCATG
GCTGTGTGTAACAGCATCTCAAACCCTGTCACCAAGGAGATGCTGTTTGAGTTCATCGAC
AGATGTACTGCAGCTTCTCAAGGACAGAAGCGAAAACATCATCTGGACCCTGACACGGAG
CTCATGCCACCACCACCTCCCAAAAGACCACGCCCTTTAACCTAA
GenBank Gene IDNot Available
GeneCard IDNot Available
GenAtlas IDNot Available
HGNC IDHGNC:10073
Chromosome Location6
LocusNot Available
References
  1. Yue Z, Maldonado E, Pillutla R, Cho H, Reinberg D, Shatkin AJ: Mammalian capping enzyme complements mutant Saccharomyces cerevisiae lacking mRNA guanylyltransferase and selectively binds the elongating form of RNA polymerase II. Proc Natl Acad Sci U S A. 1997 Nov 25;94(24):12898-903. 9371772
  2. Yamada-Okabe T, Doi R, Shimmi O, Arisawa M, Yamada-Okabe H: Isolation and characterization of a human cDNA for mRNA 5'-capping enzyme. Nucleic Acids Res. 1998 Apr 1;26(7):1700-6. 9512541
  3. Tsukamoto T, Shibagaki Y, Murakoshi T, Suzuki M, Nakamura A, Gotoh H, Mizumoto K: Cloning and characterization of two human cDNAs encoding the mRNA capping enzyme. Biochem Biophys Res Commun. 1998 Feb 4;243(1):101-8. 9473487
  4. Mungall AJ, Palmer SA, Sims SK, Edwards CA, Ashurst JL, Wilming L, Jones MC, Horton R, Hunt SE, Scott CE, Gilbert JG, Clamp ME, Bethel G, Milne S, Ainscough R, Almeida JP, Ambrose KD, Andrews TD, Ashwell RI, Babbage AK, Bagguley CL, Bailey J, Banerjee R, Barker DJ, Barlow KF, Bates K, Beare DM, Beasley H, Beasley O, Bird CP, Blakey S, Bray-Allen S, Brook J, Brown AJ, Brown JY, Burford DC, Burrill W, Burton J, Carder C, Carter NP, Chapman JC, Clark SY, Clark G, Clee CM, Clegg S, Cobley V, Collier RE, Collins JE, Colman LK, Corby NR, Coville GJ, Culley KM, Dhami P, Davies J, Dunn M, Earthrowl ME, Ellington AE, Evans KA, Faulkner L, Francis MD, Frankish A, Frankland J, French L, Garner P, Garnett J, Ghori MJ, Gilby LM, Gillson CJ, Glithero RJ, Grafham DV, Grant M, Gribble S, Griffiths C, Griffiths M, Hall R, Halls KS, Hammond S, Harley JL, Hart EA, Heath PD, Heathcott R, Holmes SJ, Howden PJ, Howe KL, Howell GR, Huckle E, Humphray SJ, Humphries MD, Hunt AR, Johnson CM, Joy AA, Kay M, Keenan SJ, Kimberley AM, King A, Laird GK, Langford C, Lawlor S, Leongamornlert DA, Leversha M, Lloyd CR, Lloyd DM, Loveland JE, Lovell J, Martin S, Mashreghi-Mohammadi M, Maslen GL, Matthews L, McCann OT, McLaren SJ, McLay K, McMurray A, Moore MJ, Mullikin JC, Niblett D, Nickerson T, Novik KL, Oliver K, Overton-Larty EK, Parker A, Patel R, Pearce AV, Peck AI, Phillimore B, Phillips S, Plumb RW, Porter KM, Ramsey Y, Ranby SA, Rice CM, Ross MT, Searle SM, Sehra HK, Sheridan E, Skuce CD, Smith S, Smith M, Spraggon L, Squares SL, Steward CA, Sycamore N, Tamlyn-Hall G, Tester J, Theaker AJ, Thomas DW, Thorpe A, Tracey A, Tromans A, Tubby B, Wall M, Wallis JM, West AP, White SS, Whitehead SL, Whittaker H, Wild A, Willey DJ, Wilmer TE, Wood JM, Wray PW, Wyatt JC, Young L, Younger RM, Bentley DR, Coulson A, Durbin R, Hubbard T, Sulston JE, Dunham I, Rogers J, Beck S: The DNA sequence and analysis of human chromosome 6. Nature. 2003 Oct 23;425(6960):805-11. 14574404
  5. Gerhard DS, Wagner L, Feingold EA, Shenmen CM, Grouse LH, Schuler G, Klein SL, Old S, Rasooly R, Good P, Guyer M, Peck AM, Derge JG, Lipman D, Collins FS, Jang W, Sherry S, Feolo M, Misquitta L, Lee E, Rotmistrovsky K, Greenhut SF, Schaefer CF, Buetow K, Bonner TI, Haussler D, Kent J, Kiekhaus M, Furey T, Brent M, Prange C, Schreiber K, Shapiro N, Bhat NK, Hopkins RF, Hsie F, Driscoll T, Soares MB, Casavant TL, Scheetz TE, Brown-stein MJ, Usdin TB, Toshiyuki S, Carninci P, Piao Y, Dudekula DB, Ko MS, Kawakami K, Suzuki Y, Sugano S, Gruber CE, Smith MR, Simmons B, Moore T, Waterman R, Johnson SL, Ruan Y, Wei CL, Mathavan S, Gunaratne PH, Wu J, Garcia AM, Hulyk SW, Fuh E, Yuan Y, Sneed A, Kowis C, Hodgson A, Muzny DM, McPherson J, Gibbs RA, Fahey J, Helton E, Ketteman M, Madan A, Rodrigues S, Sanchez A, Whiting M, Madari A, Young AC, Wetherby KD, Granite SJ, Kwong PN, Brinkley CP, Pearson RL, Bouffard GG, Blakesly RW, Green ED, Dickson MC, Rodriguez AC, Grimwood J, Schmutz J, Myers RM, Butterfield YS, Griffith M, Griffith OL, Krzywinski MI, Liao N, Morin R, Palmquist D, Petrescu AS, Skalska U, Smailus DE, Stott JM, Schnerch A, Schein JE, Jones SJ, Holt RA, Baross A, Marra MA, Clifton S, Makowski KA, Bosak S, Malek J: The status, quality, and expansion of the NIH full-length cDNA project: the Mammalian Gene Collection (MGC). Genome Res. 2004 Oct;14(10B):2121-7. 15489334
  6. Pillutla RC, Yue Z, Maldonado E, Shatkin AJ: Recombinant human mRNA cap methyltransferase binds capping enzyme/RNA polymerase IIo complexes. J Biol Chem. 1998 Aug 21;273(34):21443-6. 9705270
  7. Wen Y, Shatkin AJ: Transcription elongation factor hSPT5 stimulates mRNA capping. Genes Dev. 1999 Jul 15;13(14):1774-9. 10421630
  8. Chiu YL, Coronel E, Ho CK, Shuman S, Rana TM: HIV-1 Tat protein interacts with mammalian capping enzyme and stimulates capping of TAR RNA. J Biol Chem. 2001 Apr 20;276(16):12959-66. Epub 2001 Jan 18. 11278368
  9. Burkard TR, Planyavsky M, Kaupe I, Breitwieser FP, Burckstummer T, Bennett KL, Superti-Furga G, Colinge J: Initial characterization of the human central proteome. BMC Syst Biol. 2011 Jan 26;5:17. doi: 10.1186/1752-0509-5-17. 21269460
  10. Chu C, Das K, Tyminski JR, Bauman JD, Guan R, Qiu W, Montelione GT, Arnold E, Shatkin AJ: Structure of the guanylyltransferase domain of human mRNA capping enzyme. Proc Natl Acad Sci U S A. 2011 Jun 21;108(25):10104-8. doi: 10.1073/pnas.1106610108. Epub 2011 Jun 2. 21636784