UniProtKB - Q65730 (POLG_BSTV1)
Protein
Genome polyprotein
Gene
N/A
Organism
Brome streak virus (strain 11-Cal) (BStV) (Brome streak mosaic rymovirus)
Status
Functioni
involved in aphid transmission, cell-to-cell and systemis movement, encapsidation of the viral RNA and in the regulation of viral RNA amplification.By similarity
an RNA-dependent RNA polymerase that plays an essential role in the virus replication.By similarity
required for aphid transmission and also has proteolytic activity. Only cleaves a Gly-Gly dipeptide at its own C-terminus. Interacts with virions and aphid stylets. Acts as a suppressor of RNA-mediated gene silencing, also known as post-transcriptional gene silencing (PTGS), a mechanism of plant viral defense that limits the accumulation of viral RNAs. May have RNA-binding activity (By similarity).By similarity
has helicase activity. It may be involved in replication (By similarity).By similarity
Both 6K peptides are indispensable for virus replication.By similarity
has RNA-binding and proteolytic activities.By similarity
Catalytic activityi
- EC:2.7.7.48PROSITE-ProRule annotation
- Hydrolyzes glutaminyl bonds, and activity is further restricted by preferences for the amino acids in P6 - P1' that vary with the species of potyvirus, e.g. Glu-Xaa-Xaa-Tyr-Xaa-Gln-|-(Ser or Gly) for the enzyme from tobacco etch virus. The natural substrate is the viral polyprotein, but other proteins and oligopeptides containing the appropriate consensus sequence are also cleaved. EC:3.4.22.44
- Hydrolyzes a Gly-|-Gly bond at its own C-terminus, commonly in the sequence -Tyr-Xaa-Val-Gly-|-Gly, in the processing of the potyviral polyprotein. EC:3.4.22.45
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Active sitei | 311 | For P1 proteinase activityPROSITE-ProRule annotation | 1 | |
Active sitei | 323 | For P1 proteinase activityPROSITE-ProRule annotation | 1 | |
Active sitei | 355 | For P1 proteinase activityPROSITE-ProRule annotation | 1 | |
Active sitei | 698 | For helper component proteinase activityPROSITE-ProRule annotation | 1 | |
Active sitei | 769 | For helper component proteinase activityPROSITE-ProRule annotation | 1 | |
Active sitei | 2082 | For nuclear inclusion protein A activityPROSITE-ProRule annotation | 1 | |
Active sitei | 2121 | For nuclear inclusion protein A activityPROSITE-ProRule annotation | 1 | |
Active sitei | 2193 | For nuclear inclusion protein A activityPROSITE-ProRule annotation | 1 |
Regions
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Nucleotide bindingi | 1228 – 1235 | ATPPROSITE-ProRule annotation | 8 |
GO - Molecular functioni
- ATP binding Source: UniProtKB-KW
- cysteine-type endopeptidase activity Source: InterPro
- helicase activity Source: UniProtKB-KW
- RNA binding Source: InterPro
- RNA-directed 5'-3' RNA polymerase activity Source: UniProtKB-KW
- serine-type peptidase activity Source: UniProtKB-KW
- structural molecule activity Source: InterPro
GO - Biological processi
- RNA-protein covalent cross-linking Source: UniProtKB-KW
- transcription, DNA-templated Source: InterPro
- viral RNA genome replication Source: InterPro
Keywordsi
Molecular function | Helicase, Hydrolase, Nucleotidyltransferase, Protease, RNA-directed RNA polymerase, Serine protease, Suppressor of RNA silencing, Thiol protease, Transferase |
Biological process | Viral RNA replication |
Ligand | ATP-binding, Nucleotide-binding |
Names & Taxonomyi
Protein namesi | Recommended name: Genome polyproteinCleaved into the following 10 chains: Alternative name(s): N-terminal protein Alternative name(s): VPg Alternative name(s): 49 kDa proteinase Short name: 49 kDa-Pro NIa-pro Alternative name(s): RNA-directed RNA polymerase |
Organismi | Brome streak virus (strain 11-Cal) (BStV) (Brome streak mosaic rymovirus) |
Taxonomic identifieri | 117138 [NCBI] |
Taxonomic lineagei | Viruses › Riboviria › Orthornavirae › Pisuviricota › Stelpaviricetes › Patatavirales › Potyviridae › Tritimovirus › |
Virus hosti | Bromus [TaxID: 4501] Hordeum murinum (Mouse barley) (Critesion murinum) [TaxID: 97361] |
Proteomesi |
|
Subcellular locationi
- Virion Curated
GO - Cellular componenti
- helical viral capsid Source: UniProtKB-KW
Keywords - Cellular componenti
Capsid protein, Helical capsid protein, VirionPTM / Processingi
Molecule processing
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
ChainiPRO_0000419992 | 1 – 3093 | Genome polyproteinAdd BLAST | 3093 | |
ChainiPRO_0000040233 | 1 – 403 | P1 proteinaseAdd BLAST | 403 | |
ChainiPRO_0000040234 | 404 – 809 | Helper component proteinaseAdd BLAST | 406 | |
ChainiPRO_0000040235 | 810 – 1087 | Protein P3Add BLAST | 278 | |
ChainiPRO_0000040236 | 1088 – 1138 | 6 kDa protein 1Add BLAST | 51 | |
ChainiPRO_0000040237 | 1139 – 1783 | Cytoplasmic inclusion proteinAdd BLAST | 645 | |
ChainiPRO_0000040238 | 1784 – 1834 | 6 kDa protein 2Add BLAST | 51 | |
ChainiPRO_0000040239 | 1835 – 2040 | Viral genome-linked proteinAdd BLAST | 206 | |
ChainiPRO_0000040240 | 2041 – 2275 | Nuclear inclusion protein AAdd BLAST | 235 | |
ChainiPRO_0000040241 | 2276 – 2773 | Nuclear inclusion protein BAdd BLAST | 498 | |
ChainiPRO_0000040242 | 2774 – 3093 | Coat proteinAdd BLAST | 320 |
Amino acid modifications
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Modified residuei | 1915 | O-(5'-phospho-RNA)-tyrosineBy similarity | 1 |
Post-translational modificationi
VPg is uridylylated by the polymerase and is covalently attached to the 5'-end of the genomic RNA. This uridylylated form acts as a nucleotide-peptide primer for the polymerase (By similarity).By similarity
Genome polyprotein of potyviruses undergoes post-translational proteolytic processing by the main proteinase NIa-pro resulting in the production of at least ten individual proteins. The P1 proteinase and the HC-pro cleave only their respective C-termini autocatalytically. 6K1 is essential for proper proteolytic separation of P3 from CI (By similarity).By similarity
Sites
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Sitei | 403 – 404 | Cleavage; by P1 proteinasePROSITE-ProRule annotation | 2 | |
Sitei | 809 – 810 | Cleavage; by autolysisPROSITE-ProRule annotation | 2 | |
Sitei | 1087 – 1088 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 1138 – 1139 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 1783 – 1784 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 1834 – 1835 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 2040 – 2041 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 2275 – 2276 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 2773 – 2774 | Cleavage; by NIa-proBy similarity | 2 |
Keywords - PTMi
Covalent protein-RNA linkage, PhosphoproteinFamily & Domainsi
Domains and Repeats
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Domaini | 255 – 403 | Peptidase S30PROSITE-ProRule annotationAdd BLAST | 149 | |
Domaini | 690 – 809 | Peptidase C6PROSITE-ProRule annotationAdd BLAST | 120 | |
Domaini | 1215 – 1366 | Helicase ATP-bindingPROSITE-ProRule annotationAdd BLAST | 152 | |
Domaini | 1367 – 1546 | Helicase C-terminalPROSITE-ProRule annotationAdd BLAST | 180 | |
Domaini | 2041 – 2257 | Peptidase C4PROSITE-ProRule annotationAdd BLAST | 217 | |
Domaini | 2516 – 2639 | RdRp catalyticPROSITE-ProRule annotationAdd BLAST | 124 |
Motif
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Motifi | 1316 – 1319 | DEVH box | 4 | |
Motifi | 1883 – 1895 | Nuclear localization signalSequence analysisAdd BLAST | 13 |
Sequence similaritiesi
Belongs to the potyviridae genome polyprotein family.Curated
Family and domain databases
Gene3Di | 2.40.10.10, 2 hits 3.30.70.270, 1 hit 3.90.70.150, 1 hit |
InterProi | View protein in InterPro IPR043502, DNA/RNA_pol_sf IPR001456, HC-pro IPR031159, HC_PRO_CPD_dom IPR042308, HC_PRO_CPD_sf IPR014001, Helicase_ATP-bd IPR001650, Helicase_C IPR027417, P-loop_NTPase IPR025910, P1_Ser_Pept_dom IPR002540, Pept_S30_P1_potyvir IPR009003, Peptidase_S1_PA IPR043504, Peptidase_S1_PA_chymotrypsin IPR001592, Poty_coat IPR001730, Potyv_NIa-pro_dom IPR013648, PP_Potyviridae IPR043128, Rev_trsase/Diguanyl_cyclase IPR001205, RNA-dir_pol_C IPR007094, RNA-dir_pol_PSvirus |
Pfami | View protein in Pfam PF00271, Helicase_C, 1 hit PF00863, Peptidase_C4, 1 hit PF00851, Peptidase_C6, 1 hit PF13611, Peptidase_S76, 1 hit PF00767, Poty_coat, 1 hit PF08440, Poty_PP, 1 hit PF00680, RdRP_1, 1 hit |
PRINTSi | PR00966, NIAPOTYPTASE |
SMARTi | View protein in SMART SM00487, DEXDc, 1 hit SM00490, HELICc, 1 hit |
SUPFAMi | SSF50494, SSF50494, 1 hit SSF52540, SSF52540, 1 hit SSF56672, SSF56672, 1 hit |
PROSITEi | View protein in PROSITE PS51744, HC_PRO_CPD, 1 hit PS51192, HELICASE_ATP_BIND_1, 1 hit PS51194, HELICASE_CTER, 1 hit PS51436, POTYVIRUS_NIA_PRO, 1 hit PS51871, PV_P1_PRO, 1 hit PS50507, RDRP_SSRNA_POS, 1 hit |
i Sequence
Sequence statusi: Complete.
: The displayed sequence is further processed into a mature form. Sequence processingi
Q65730-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MQQTHVKQVW RPKTASSKVK TSNMVYLAEE SSPLAKTELK EDAVVAADMS
60 70 80 90 100
VINADDAVYG HALEGKYSER KALPARSNET IVSFASGEDG LFLDRAACGS
110 120 130 140 150
IFKTRTGKDT PIATAIRAAT RRGLAYDIAA QLYMCPKCCS ASDKVLYFDT
160 170 180 190 200
NHNDSCQWYL DNCRAVINKD WTLDVIETYN VFPVLVTEEE ERRTLEAVDI
210 220 230 240 250
ALKPLGTVPV HDVVQVYDQK IGEHKEVERN QEAAHGSEPA IITTTPVLRR
260 270 280 290 300
QCIEKRLLRH VHQANKVIAN TVEIYDLMTE TSQICAEKAI PLVFVDYEKK
310 320 330 340 350
KRIRPRVPLR HVLESNNVDP SDDLYADVVP FLKHYGTCGR PVGVINPRDI
360 370 380 390 400
KPGWSGVVLL QDELPESLHQ ECVDGVFVVQ GIGPDGQLKN ALKTTTGERI
410 420 430 440 450
EYYSSKRRMA VNAHVPKAHS FCKYSSLTET LMELDYLRVI SALADVHDPQ
460 470 480 490 500
CVECHKERNE RSFIENLKYT QQGAQNLFNA GTGMGLAFVA SIASGQLMIQ
510 520 530 540 550
RQQPQSSSSI VDQTPRTNED GSLSHNINLL LTPEVVDIWR SMKQMVHLPN
560 570 580 590 600
RKLYMASFND QFGNFDFIPN STLQGVFPDF TMPVTIALND DDKVETNYRH
610 620 630 640 650
VDKNSTIETC VEGLYTQFDA AYWTKKAAQV HKIQPIDQCG MEIGNIALKL
660 670 680 690 700
CHWEGDVALF SPIIRPTPGH LMFGSTDRLL RIPDMTNARH YVPKVGYCYL
710 720 730 740 750
YLFALAMNFC DGENRVTVDA YINKTCRELG AWPKFGEVLR ALDRMATYYG
760 770 780 790 800
CYDAVVPVML VDHVQRTIHV PSPFGIVQSG MHMIQINNLG DLIKLDTMGA
810 820 830 840 850
SELKEYEIGG FRETYKSITK CVKSKSAFME KLNQDNEWLV DMICNPSTLF
860 870 880 890 900
VLSQLMDTHG LILKDVENSF DRLAALLALK ELGSALGPLL TTRKRVALYM
910 920 930 940 950
QSLSKVDELV PHLGMPTGAM NLLKSEIELI QNAIVEEQDM AEIDRVEGKK
960 970 980 990 1000
SILERRDEMF APCVYNEFIN SFGYVSLPGI AYRLTYTGVG ARIGRGCEHL
1010 1020 1030 1040 1050
KTVWSGSWIP EIHLPENLRS NTWSAIKKYT VYSGGTAWRY MKLKIVESAT
1060 1070 1080 1090 1100
QILVAAVITA IGSWLLKKLL KFIRHEKGRL NEVVVFQSKQ EELFISKFMA
1110 1120 1130 1140 1150
VCFVISTFFS LDMSNAIYSS LTKFRAIFSI LSVGSIYQSG ALEKLEEQLG
1160 1170 1180 1190 1200
HVDTFHEFKL YDHDATHANI APSVQSFGTW LDTRVLAGQQ GCDPLEGRHT
1210 1220 1230 1240 1250
KFEMNKNTRD AIAARVLADK DNEFLVMGHV GCGKSTYFPV ALSKQARVLI
1260 1270 1280 1290 1300
CEPTRVLVTN LHDSMMHTCQ VAPSVMMRNH RCITGSSIMV QTYGFALHYL
1310 1320 1330 1340 1350
VNNPENLQQY DFVLFDEVHH TCAEKVVLYN WLKGRDWGGK IVKLTATDRS
1360 1370 1380 1390 1400
PSAEIKAQKS LDIMTLPTMT PLDFVKEQGL STKADASKHG KVILVFLTSF
1410 1420 1430 1440 1450
REVDSCYDEL KRKENFDAIK ADSRNLRNKT SLADLISECK KEFIYIFATN
1460 1470 1480 1490 1500
ILQTGINIEA DVVVDFGYKI VPTYDVDNRM LTTTRKPVNK ADRIQRLGRV
1510 1520 1530 1540 1550
ARMKAGVAMK IGATIDPEAY DDEVTATEAA LLSFAMQVPP VLRNVNLQIF
1560 1570 1580 1590 1600
QRITREQVVT AARFEHQLSY MVWMVNKDGS MPTKLYDLFS PLLLSQGNMR
1610 1620 1630 1640 1650
LSPYYSSLYD SDTFMTVKNY VDIGYLKHDR TTNQRLPFHC HDVSTTFAMK
1660 1670 1680 1690 1700
VADRFEDSRA PSTYSIRVPA VNLRHTAVKL STDPAQVGMI LVVIGEALVH
1710 1720 1730 1740 1750
QKNILEQLKS TRTQLDNYNS CILVPNWNVR GKLDDAINRV ERNVSILENQ
1760 1770 1780 1790 1800
KNSVEKMSVA RGYDELKELL EENHAVAAHV MYQKGPQKFI DDVLLQKRDF
1810 1820 1830 1840 1850
SWMPYISVGA ACLMAGCAWY MLYRQRAKHE AKFEGKASRV KASKQKAFDD
1860 1870 1880 1890 1900
KMARADNYTY YETTDELHNH AREWNDYPTD WVDKVRKKAN VHAMQFGREA
1910 1920 1930 1940 1950
PRRDVRNDRP FFNFYGIDEK LYDTVTFHDM AASFSVEQPI TAMEVEEAFE
1960 1970 1980 1990 2000
KIYLNRQEDE AFFDHPMPKK ILAEFKGKDG KVINVEMEPH NPRKANRRGL
2010 2020 2030 2040 2050
PVGYADHRGE FRQAKPAEEG PIKFERKALN PKATPYAVFE SKALYGGPRC
2060 2070 2080 2090 2100
YEHITNNQVL LAGPSGYLNG LITGSKLLAP YHFVKDISSD SQDPSRMIAR
2110 2120 2130 2140 2150
FGTYNLGNIL NLQVVKFTMI DLIGLDLPVE FQPRRTLKCF RVPVIGEKAV
2160 2170 2180 2190 2200
LVLSRYSKEG WKSCVSAETE ITPYGENEEL LWRHRITTEV GDCGATMVAL
2210 2220 2230 2240 2250
SDQKIVGFHS LGGISMNYFV PVTQELLDFL SSKTEKPLVP WRFSEDQVDV
2260 2270 2280 2290 2300
GGLYIHNDFD KFPFVKTIQK LVGFQNGHMI KYCGEGFTPV ARSENRLSRQ
2310 2320 2330 2340 2350
HVISGQRESF IHFVEASSKW RPLITPMLGR LQPSALNREA YYKDVLKYDK
2360 2370 2380 2390 2400
PIRLGTVHEE AFQSAVINVI RILENAGFER GGVKACFDYG KIFNDLNLDA
2410 2420 2430 2440 2450
AMGALYAGKK KDYFVEATDE EIEEMFLRSA GKICANGHGV WSALLKAELR
2460 2470 2480 2490 2500
PAEKVAANKT RTFTSAPIDI LFGAKAVVDD FNKQFYKRHL LGPWTVGINK
2510 2520 2530 2540 2550
FNKGWDLLAR SLMRYEWFID ADGSQFDSSI TPLLMNAVLT IRLYFMERDD
2560 2570 2580 2590 2600
ITELMLRNLY TQIISTCMLA EDGLIVQKHR GNNSGQPSTV VDNTLCLMIA
2610 2620 2630 2640 2650
MEYARQRAIS DGHLNMQMRY VCNGDDLLIN ANEEAKDVVQ GKYEQYIKEL
2660 2670 2680 2690 2700
ELNYCFDDAF QSIEGVEFMS HKFMLRNGIY IPKLARHRIV AILEWQRSAE
2710 2720 2730 2740 2750
PQAIKSAILA ACVEAFGYDD LTELIREYAI SLEPVWGSFL PTDGEIEQLY
2760 2770 2780 2790 2800
FEGIAKQEVA RCLAGVDDVC KFESAASGTN EAVDEVLKAA GDDEALARAN
2810 2820 2830 2840 2850
AAATSGATTP AQNVGAGTTT PAKATPQSGR RPSFGSLIDN PIGGNGVQDV
2860 2870 2880 2890 2900
ADRTSGIVFP VPTRKSTSLY LPPKVKLRAT PERIEKVRKY LPDPQQIDLR
2910 2920 2930 2940 2950
YSTQQELNDW IKASADGLGQ TEEAFIDNIL PGWIVHCIVN TTSSENRKAG
2960 2970 2980 2990 3000
SWRCVTNAGT ADEEQVLYDI EPMYSAANPT MRAIMRHFSD LARLVIAESF
3010 3020 3030 3040 3050
KQGRPLIPKG YIKAGVLDAS SAAAACDFVV RDRHDTATFV QVQNQVLVNR
3060 3070 3080 3090
VSGITNRLFA QAMPSAGANE DMARHDAQDA AEGIHNLGGA RAF
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | Z48506 Genomic RNA Translation: CAA88417.1 |
RefSeqi | NP_612585.1, NC_003501.1 |
Genome annotation databases
GeneIDi | 935897 |
KEGGi | vg:935897 |
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | Z48506 Genomic RNA Translation: CAA88417.1 |
RefSeqi | NP_612585.1, NC_003501.1 |
3D structure databases
ModBasei | Search... |
SWISS-MODEL-Workspacei | Submit a new modelling project... |
Protein-protein interaction databases
MINTi | Q65730 |
Genome annotation databases
GeneIDi | 935897 |
KEGGi | vg:935897 |
Family and domain databases
Gene3Di | 2.40.10.10, 2 hits 3.30.70.270, 1 hit 3.90.70.150, 1 hit |
InterProi | View protein in InterPro IPR043502, DNA/RNA_pol_sf IPR001456, HC-pro IPR031159, HC_PRO_CPD_dom IPR042308, HC_PRO_CPD_sf IPR014001, Helicase_ATP-bd IPR001650, Helicase_C IPR027417, P-loop_NTPase IPR025910, P1_Ser_Pept_dom IPR002540, Pept_S30_P1_potyvir IPR009003, Peptidase_S1_PA IPR043504, Peptidase_S1_PA_chymotrypsin IPR001592, Poty_coat IPR001730, Potyv_NIa-pro_dom IPR013648, PP_Potyviridae IPR043128, Rev_trsase/Diguanyl_cyclase IPR001205, RNA-dir_pol_C IPR007094, RNA-dir_pol_PSvirus |
Pfami | View protein in Pfam PF00271, Helicase_C, 1 hit PF00863, Peptidase_C4, 1 hit PF00851, Peptidase_C6, 1 hit PF13611, Peptidase_S76, 1 hit PF00767, Poty_coat, 1 hit PF08440, Poty_PP, 1 hit PF00680, RdRP_1, 1 hit |
PRINTSi | PR00966, NIAPOTYPTASE |
SMARTi | View protein in SMART SM00487, DEXDc, 1 hit SM00490, HELICc, 1 hit |
SUPFAMi | SSF50494, SSF50494, 1 hit SSF52540, SSF52540, 1 hit SSF56672, SSF56672, 1 hit |
PROSITEi | View protein in PROSITE PS51744, HC_PRO_CPD, 1 hit PS51192, HELICASE_ATP_BIND_1, 1 hit PS51194, HELICASE_CTER, 1 hit PS51436, POTYVIRUS_NIA_PRO, 1 hit PS51871, PV_P1_PRO, 1 hit PS50507, RDRP_SSRNA_POS, 1 hit |
ProtoNeti | Search... |
MobiDBi | Search... |
Entry informationi
Entry namei | POLG_BSTV1 | |
Accessioni | Q65730Primary (citable) accession number: Q65730 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | December 15, 1998 |
Last sequence update: | November 1, 1996 | |
Last modified: | December 2, 2020 | |
This is version 142 of the entry and version 1 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Viral Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
Reference proteomeDocuments
- SIMILARITY comments
Index of protein domains and families