ID Q1K9G5_INBAA Unreviewed; 752 AA. AC Q1K9G5; DT 30-MAY-2006, integrated into UniProtKB/TrEMBL. DT 30-MAY-2006, sequence version 1. DT 15-MAR-2017, entry version 42. DE RecName: Full=RNA-directed RNA polymerase catalytic subunit {ECO:0000256|RuleBase:RU004330, ECO:0000256|SAAS:SAAS00509014}; DE EC=2.7.7.48 {ECO:0000256|RuleBase:RU004330, ECO:0000256|SAAS:SAAS00508944}; GN Name=PB1 {ECO:0000313|EMBL:ABF21251.1}; OS Influenza B virus (strain B/Ann Arbor/1/1986). OC Viruses; ssRNA viruses; ssRNA negative-strand viruses; OC Orthomyxoviridae; Influenzavirus B. OX NCBI_TaxID=11521 {ECO:0000313|EMBL:ABF21251.1, ECO:0000313|Proteomes:UP000160484}; OH NCBI_TaxID=9606; Homo sapiens (Human). RN [1] {ECO:0000313|EMBL:ABF21251.1, ECO:0000313|Proteomes:UP000160484} RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA]. RC STRAIN=B/Ann Arbor/1/1986 {ECO:0000313|EMBL:ABF21251.1}; RA Mbawuike I.N., Zhang Y., Yamada R.E., Nino D., Bui H.-H., Sette A., RA Couch R.B.; RT "Complete Genome Sequencing And Analysis Of Selected Influenza Virus RT Vaccine Strains Spanning Six Decades (1933-1999)."; RL Submitted (APR-2006) to the EMBL/GenBank/DDBJ databases. CC -!- CATALYTIC ACTIVITY: Nucleoside triphosphate + RNA(n) = diphosphate CC + RNA(n+1). {ECO:0000256|RuleBase:RU004330, CC ECO:0000256|SAAS:SAAS00605060}. CC -!- SIMILARITY: Belongs to the influenza viruses polymerase PB1 CC family. {ECO:0000256|SAAS:SAAS00565435}. CC --------------------------------------------------------------------------- CC Copyrighted by the UniProt Consortium, see https://www.uniprot.org/terms CC Distributed under the Creative Commons Attribution (CC BY 4.0) License CC --------------------------------------------------------------------------- DR EMBL; DQ508911; ABF21251.1; -; Genomic_RNA. DR Proteomes; UP000160484; Genome. DR GO; GO:0000166; F:nucleotide binding; IEA:UniProtKB-KW. DR GO; GO:0003968; F:RNA-directed 5'-3' RNA polymerase activity; IEA:UniProtKB-KW. DR GO; GO:0006351; P:transcription, DNA-templated; IEA:InterPro. DR GO; GO:0039694; P:viral RNA genome replication; IEA:InterPro. DR InterPro; IPR007099; RNA-dir_pol_NSvirus. DR InterPro; IPR001407; RNA_pol_PB1_influenza. DR Pfam; PF00602; Flu_PB1; 1. DR PIRSF; PIRSF000827; RdRPol_OMV; 1. DR PROSITE; PS50525; RDRP_SSRNA_NEG_SEG; 1. PE 3: Inferred from homology; KW Complete proteome {ECO:0000313|Proteomes:UP000160484}; KW Nucleotide-binding {ECO:0000256|SAAS:SAAS00605058}; KW Nucleotidyltransferase {ECO:0000256|SAAS:SAAS00605055}; KW RNA-directed RNA polymerase {ECO:0000256|RuleBase:RU004330, KW ECO:0000256|SAAS:SAAS00605053}; KW Transferase {ECO:0000256|SAAS:SAAS00605061}; KW Viral RNA replication {ECO:0000256|SAAS:SAAS00605045}. FT DOMAIN 286 482 RdRp catalytic. {ECO:0000259|PROSITE: FT PS50525}. SQ SEQUENCE 752 AA; 84351 MW; B136FCBB96BB640A CRC64; MNINPYFLFI DVPIQAAIST TFPYTGVPPY SHGTGTGYTI DTVIRTHEYS NKGKQYISDV TGCTMIDPTN GPLPEDNEPS AYAQLDCVLE ALDRMDEEHP GLFQAASQNA MEALMVTTVD KLTQGRQTFD WTVCRNQPAA TALNTTITSF RLNDLNGADK GGLVPFCQDI IDSLDRPEMT FFSVKNIKKK LPAKNRKGFL IKRIPMKVKD RITRVEYIKR ALSLNTMTKD AERGKLKRRA IATAGIQIRG FVLVVENLAK NICENLEQSG LPVGGNEKKA KLSNAVAKML SNCPPGGISM TVTGDNTKWN ECLNPRIFLA MTERITRDSP IWFRDFCSIA PVLFSNKIAR LGKGFMITSK TKRLKAQIPC PDLFSIPLER YNEETRAKLK KLKPFFNEEG TASLSPGMMM GMFNMLSTVL GVAALGIKNI GNKEYLWDGL QSSDDFALFV NAKDEETCME GINDFYRTCK LLGINMSKKK SYCNETGMFE FTSMFYRDGF VSNFAMELPS FGVAGVNESA DMAIGMTIIK NNMINNGMGP ATAQTAIQLF IADYRYTYKC HRGDSKVEGK RMKIIKELWE NTKGRDGLLV ADGGPNIYNL RNLHIPEIVL KYNLMDPEYK GRLLHPQNPF VGHLSIEGIK EADITPAHGP VKKMDYDAVS GTHSWRTKRN RSILNTDQRN MILEEQCYAK CCNLFEACFN SASYRKPVGQ HSMLEAMAHR LRMDARLDYE SGRMSKDDFE KAMAHLGEIG YI //