UniProtKB - A4KZ49 (POLG_TRMVU)
Protein
Genome polyprotein
Gene
N/A
Organism
Triticum mosaic virus (isolate Triticum aestivum/United States/U06-123/2006) (TriMV)
Status
Functioni
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
an RNA-dependent RNA polymerase that plays an essential role in the virus replication.By similarity
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
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 | 286 | For P1 proteinase activityPROSITE-ProRule annotation | 1 | |
Active sitei | 301 | For P1 proteinase activityPROSITE-ProRule annotation | 1 | |
Active sitei | 333 | For P1 proteinase activityPROSITE-ProRule annotation | 1 | |
Active sitei | 737 | For helper component proteinase activityPROSITE-ProRule annotation | 1 | |
Active sitei | 809 | For helper component proteinase activityPROSITE-ProRule annotation | 1 | |
Active sitei | 2140 | For nuclear inclusion protein A activityPROSITE-ProRule annotation | 1 | |
Active sitei | 2174 | For nuclear inclusion protein A activityPROSITE-ProRule annotation | 1 | |
Active sitei | 2243 | For nuclear inclusion protein A activityPROSITE-ProRule annotation | 1 |
Regions
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Nucleotide bindingi | 1291 – 1298 | 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 (EC:3.4.-.-) Alternative name(s): VPg Alternative name(s): 49 kDa proteinase Short name: 49 kDa-Pro NIa-pro Alternative name(s): RNA-directed RNA polymerase Alternative name(s): Coat protein |
Organismi | Triticum mosaic virus (isolate Triticum aestivum/United States/U06-123/2006) (TriMV) |
Taxonomic identifieri | 1289472 [NCBI] |
Taxonomic lineagei | Viruses › Riboviria › Orthornavirae › Pisuviricota › Stelpaviricetes › Patatavirales › Potyviridae › Poacevirus › |
Virus hosti | Triticum aestivum (Wheat) [TaxID: 4565] |
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_0000420027 | 1 – 3112 | Genome polyproteinAdd BLAST | 3112 | |
ChainiPRO_0000395486 | 1 – 383 | P1 proteinaseSequence analysisAdd BLAST | 383 | |
ChainiPRO_0000395487 | 384 – 850 | Helper component proteinaseSequence analysisAdd BLAST | 467 | |
ChainiPRO_0000395488 | 851 – 1148 | Protein P3By similarityAdd BLAST | 298 | |
ChainiPRO_0000395489 | 1149 – 1204 | 6 kDa protein 1By similarityAdd BLAST | 56 | |
ChainiPRO_0000395490 | 1205 – 1852 | Cytoplasmic inclusion proteinBy similarityAdd BLAST | 648 | |
ChainiPRO_0000395491 | 1853 – 1902 | 6 kDa protein 2By similarityAdd BLAST | 50 | |
ChainiPRO_0000395492 | 1903 – 2095 | Viral genome-linked proteinBy similarityAdd BLAST | 193 | |
ChainiPRO_0000395493 | 2096 – 2328 | Nuclear inclusion protein ABy similarityAdd BLAST | 233 | |
ChainiPRO_0000395494 | 2329 – 2818 | Nuclear inclusion protein BBy similarityAdd BLAST | 490 | |
ChainiPRO_0000288836 | 2819 – 3112 | Capsid proteinBy similarityAdd BLAST | 294 |
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 | 383 – 384 | Cleavage; by P1 proteinasePROSITE-ProRule annotation | 2 | |
Sitei | 850 – 851 | Cleavage; by autolysisPROSITE-ProRule annotation | 2 | |
Sitei | 1148 – 1149 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 1204 – 1205 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 1852 – 1853 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 1902 – 1903 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 2095 – 2096 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 2328 – 2329 | Cleavage; by NIa-proBy similarity | 2 | |
Sitei | 2818 – 2819 | Cleavage; by NIa-proBy similarity | 2 |
Keywords - PTMi
Covalent protein-RNA linkage, PhosphoproteinProteomic databases
PRIDEi | A4KZ49 |
Family & Domainsi
Domains and Repeats
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Domaini | 234 – 383 | Peptidase S30PROSITE-ProRule annotationAdd BLAST | 150 | |
Domaini | 729 – 850 | Peptidase C6PROSITE-ProRule annotationAdd BLAST | 122 | |
Domaini | 1278 – 1429 | Helicase ATP-bindingPROSITE-ProRule annotationAdd BLAST | 152 | |
Domaini | 1444 – 1627 | Helicase C-terminalPROSITE-ProRule annotationAdd BLAST | 184 | |
Domaini | 2096 – 2311 | Peptidase C4PROSITE-ProRule annotationAdd BLAST | 216 | |
Domaini | 2569 – 2687 | RdRp catalyticPROSITE-ProRule annotationAdd BLAST | 119 |
Motif
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Motifi | 1379 – 1382 | DECH box | 4 |
Domaini
The N-terminus of helper component proteinase is involved in interaction with stylets. The central part is involved in interaction with virions and the C-terminus is involved in cell-to cell movement of the virus (By similarity).By similarity
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 IPR011545, DEAD/DEAH_box_helicase_dom 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 PF00270, DEAD, 1 hit 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
A4KZ49-1 [UniParc]FASTAAdd to basket
10 20 30 40 50
MSSKKMMWVP KSAHKAPVVS REPVIRKKEW VARQIPKYIP VSNPSDCRDE
60 70 80 90 100
ISQTLLHFDS EEAVYDFVWR FPMGSIFWDT NGRIKPVVNC LLRATRMNLD
110 120 130 140 150
YDVAADVYVC RDCLSCASSY MYFSNYHYDC RELRENHEAV VSCKYEQHIV
160 170 180 190 200
STFDVFPRYC TQEIEQNVVN WMTETLERYD NEPLRIEKQL QFYNHKTEQM
210 220 230 240 250
ESRVQEVQVT TAEYAVSDTY VPQQLSRKGS VSAKLTQRRA NKIIMRTHEV
260 270 280 290 300
ENLIRETIDL CDERQIPITF VDVKHKRCLP RIPLRHMQAK PDISEIVEQG
310 320 330 340 350
DMYNEVGQFI EQYQNLAEPF RVIRDYEVTR GWSGVILHRD DLALDPQTQA
360 370 380 390 400
RCLNNLFVVM GRCEHGHLQN ALRPDCLEGL TYYSDTFGKV FNESLVKHHP
410 420 430 440 450
GKHQFRIGSR TDYEWEELAM WVNAVCPVSF RCADCRPPQS LNEYIENIRM
460 470 480 490 500
SKAMAELAGR QDALSKTLHK WTTMLISSVL TTEIRARDNL EPIQERIFTR
510 520 530 540 550
NMPLGPLYDV AGAMNRAVID IQTAVQNMQL SIGNSNMNEQ QRNQTLLNEI
560 570 580 590 600
NKIKQHSFMQ TKEMLSRFEN IAQTYQNIIS SASQPLSIHS MRQLMMDSRM
610 620 630 640 650
DESFEFDIMR KKGSIASIAP MAFRTFEDIY SQPGVYNQKW LNLTPSGRFQ
660 670 680 690 700
TDIDYLRLDL PIDVIQKKKH VVNRNEIKEE TCYVIVGQVN VSFCEVVARC
710 720 730 740 750
FVPIPHVLRV GSPQNPTMIK IQDQEGGKTL VPKSGFCYVL QLVLMLGYVP
760 770 780 790 800
DQLTAAFVKD VGIVVESLGP WPLFVDYLGA IKNLIIRYPT TIKAPTALHI
810 820 830 840 850
VDHVDTVIHV MTTLGCVNKG EHYLTLQSVA QLHDAAMTVN IETFKDYRIG
860 870 880 890 900
GVVPQLKHML QSEEHMLEVL EAKPQWLVHL LLSPTQIWAL SQSVVKYQVI
910 920 930 940 950
HKVMTSNPDL AVALAQLVAI SSNFSIFKNT EHVIQKYFEV SKQLQNVSGV
960 970 980 990 1000
ILGEHNEYFE TAFAQYSALR FSTDVVLLMD QFSTRKKTLD DLEDYYRKTI
1010 1020 1030 1040 1050
PSILIECGLL GPSDFGWRKR LVRGVVDRGS GLKSTVKSLG SFSTKEKWIS
1060 1070 1080 1090 1100
WSGLGSGTIT CVKFPFVCLQ RSGSWLYSST KTTAFNAVWM AGIKCVKSNV
1110 1120 1130 1140 1150
RSILLDSALY GAITLALLCA IKLIRKAFRF VEGLIKEDTS DDEDYVLHAK
1160 1170 1180 1190 1200
AASDSLYIQC LAWLALVVGC FNSGLANDIY FSTTKYRTLL DMVKTAHSDS
1210 1220 1230 1240 1250
FVFHAGDEEE GEIVELITRD NFVDYVYNHS DPLMEFDSET LLGWYTRISY
1260 1270 1280 1290 1300
QGRVLEHPLR VGTNCHLTRE NVDEIAKNIA TGAGNEFIVV GDVGSGKSTK
1310 1320 1330 1340 1350
LPIAVSTYGP VLILVPSREL VNNLCSSIWH VGKKQASTYM MNCITRGTSN
1360 1370 1380 1390 1400
ISIMTYGYAL ALFSHCPIEL QKYRFIQMDE CHEFSSHMIT FYSWWRESGK
1410 1420 1430 1440 1450
FTKLFKTTAT PPGTVIKGGC VPTNHKVDVI EIRDVSVEEF CRRSIDSHAE
1460 1470 1480 1490 1500
GLRSLMPNGG RVIMFVPSRR ECELARSSLI SIPGARTWVV YRAAATQATK
1510 1520 1530 1540 1550
LVAELADDKH YFQIIITTTV LQNGVNLDPD CVVDFGQTFE AAYDRDSRQL
1560 1570 1580 1590 1600
GVRRRNINPG ELIQRVGRVG RNKPGKFIQV GKRLEHEVVP NSCCVTDAIL
1610 1620 1630 1640 1650
MSFTLELAPF ISSHLIDEVN FVTREQVRTA MKFSAPLLFM IHYVRRDGRM
1660 1670 1680 1690 1700
LNGYYQQLKG LLLQTSDVAL CDTLVGDAET NSFLTLRQYQ LRGIIEAQEV
1710 1720 1730 1740 1750
LPDLPIPFYS SEFALPFYLE IGQITKEAIR ARSFTLRIKT PDVKKAVMRL
1760 1770 1780 1790 1800
STSATQIDQT IGILRTRLQL TRERLSKFSE LKATAHNLRL TPIFNTCFDM
1810 1820 1830 1840 1850
GAAKSESTLR ASLTAGEELL SALELARTEK SDKALEKLIL DNPVLGDCLV
1860 1870 1880 1890 1900
FHGGPEEYFD QTLFQTSTGL INKYTVGIAC LTVGLGCTIW YYLKKREKYV
1910 1920 1930 1940 1950
MHGKVHTRET GLTTNHLFVP GMKEHIQEWT GGDHEIGNRF GEAYKRRFIG
1960 1970 1980 1990 2000
RQPTEEQKLS KEKWDKREGQ QTSVYKTLYD LDPTKFKYVV VECPDFDLKK
2010 2020 2030 2040 2050
KLNRQEKKQL DTTIVEACRT RMLDKGQHDF KDVERATVYL FNDNGVGHKV
2060 2070 2080 2090 2100
QLTPHNPLAV SRTTTHPVGF PAEAGRLRQT GQAMEMTPEE LEKALDDNYV
2110 2120 2130 2140 2150
PHSRCQIDIS HLHRHLAIVN TGGMSTQCFI TQTMCVAPYH LAMGFKDNTK
2160 2170 2180 2190 2200
LTIYCSNGVY VMPVPKVEKM ENMDLVVFRM PQDFPPLKRC ATIREPKSSD
2210 2220 2230 2240 2250
EVTLITGKRT THGIQLQFSK VVSIDRKSDT VWKYMIDSVP GVCGGMVMCV
2260 2270 2280 2290 2300
EDGCVVGFHS AAAIRNKVSN GSIFTPVTPQ LLDSLQSSEG HLFDWYFNDD
2310 2320 2330 2340 2350
LISWKGVPTN MDPRNFPVSE TISEFIFHND SKGHGTDKYY GENLTIEGRV
2360 2370 2380 2390 2400
LQSFNTRHVV KGLDDAFAEY VNKFGEPPAD TFTHLPSDLS SDAFYKDFMK
2410 2420 2430 2440 2450
YSTPVEVGTV NIENFEKAVQ AVVELLEQQG FEQGEFSPEM DFYKILNSFN
2460 2470 2480 2490 2500
LDTAMGALYQ CKKKDVLPMA SHEQLATWFW NSLENLATGK LGLWKASLKA
2510 2520 2530 2540 2550
ELRPKEKVLE KKTRVFTAAP FDVSFGAKAF VDDFNNKFYA TQAGSNWTVG
2560 2570 2580 2590 2600
INKFNCGWDE LARRFNPDWK FIDADGSRYD SSLTPLLFNA VLRIRQHFLR
2610 2620 2630 2640 2650
ANGFERRMLS NFYTQLVWTP ISTITGQIVK KNKGGPSGQP STVVDNTMML
2660 2670 2680 2690 2700
MIAVEYAKLQ YGVTDLKYVC NGDDLILNAP QGVCETIRAN FSHSFKELGL
2710 2720 2730 2740 2750
TYEFEQEVDS IDQVEYMSHK WIDCGGVLIP KLKPERIVSV LQWNKSLDLA
2760 2770 2780 2790 2800
SQANKINAAW IESFGYGDLS KFIREYANWW GERNGQVGFL CSEEKVASLY
2810 2820 2830 2840 2850
LTNDVTIHTE EHDEFVFHSG ADQSGVVKDQ TGDKAEGSGT KTEDPPNQTT
2860 2870 2880 2890 2900
DPVNNPSNGG NKDAPQNLNA TVVTKSYTYI PPIMKSLVTI DTAKKMADYT
2910 2920 2930 2940 2950
PPDALISTQA CTLEQFGRWA NAAANGLGLS MQAFQTDVVP YWIYWCIVNS
2960 2970 2980 2990 3000
ASDEHKKLSS WTKVNMTIDD ATGQINLNEG EAQTIYEMSP MFDEAKPTLR
3010 3020 3030 3040 3050
AVMRHFGALA YRWVKFSIAK RKPIIPHNAI KAGLMDVTYF PCCIDFVTVD
3060 3070 3080 3090 3100
QLSPQEQNVR NQVINARVSD TPRALFKHAQ RAGAGEEDTN LRRDDDANYG
3110
RTRVGGAMFG TR
Experimental Info
Feature key | Position(s) | DescriptionActions | Graphical view | Length |
---|---|---|---|---|
Sequence conflicti | 2819 | S → E AA sequence (Ref. 2) Curated | 1 |
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | FJ263671 Genomic RNA Translation: ABO41208.2 |
RefSeqi | YP_002956073.1, NC_012799.1 |
Genome annotation databases
GeneIDi | 7984336 |
KEGGi | vg:7984336 |
Similar proteinsi
Cross-referencesi
Sequence databases
Select the link destinations: EMBLi GenBanki DDBJi Links Updated | FJ263671 Genomic RNA Translation: ABO41208.2 |
RefSeqi | YP_002956073.1, NC_012799.1 |
3D structure databases
ModBasei | Search... |
SWISS-MODEL-Workspacei | Submit a new modelling project... |
Proteomic databases
PRIDEi | A4KZ49 |
Genome annotation databases
GeneIDi | 7984336 |
KEGGi | vg:7984336 |
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 IPR011545, DEAD/DEAH_box_helicase_dom 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 PF00270, DEAD, 1 hit 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_TRMVU | |
Accessioni | A4KZ49Primary (citable) accession number: A4KZ49 | |
Entry historyi | Integrated into UniProtKB/Swiss-Prot: | May 29, 2007 |
Last sequence update: | July 13, 2010 | |
Last modified: | December 2, 2020 | |
This is version 72 of the entry and version 3 of the sequence. See complete history. | ||
Entry statusi | Reviewed (UniProtKB/Swiss-Prot) | |
Annotation program | Viral Protein Annotation Program |
Miscellaneousi
Keywords - Technical termi
Direct protein sequencing, Reference proteomeDocuments
- SIMILARITY comments
Index of protein domains and families