BLASTX nr result
ID: Rheum21_contig00013250
seq
BLASTX 2.2.25 [Feb-01-2011]
Reference: Altschul, Stephen F., Thomas L. Madden, Alejandro A. Schaffer,
Jinghui Zhang, Zheng Zhang, Webb Miller, and David J. Lipman (1997),
"Gapped BLAST and PSI-BLAST: a new generation of protein database search
programs", Nucleic Acids Res. 25:3389-3402.
Query= Rheum21_contig00013250
(567 letters)
Database: ./nr
37,332,560 sequences; 13,225,080,153 total letters
Searching..................................................done
Score E
Sequences producing significant alignments: (bits) Value
ref|XP_002308375.2| hypothetical protein POPTR_0006s20490g [Popu... 127 1e-27
ref|XP_006372138.1| hypothetical protein POPTR_0018s12260g [Popu... 125 6e-27
ref|XP_006372137.1| hypothetical protein POPTR_0018s12260g [Popu... 125 6e-27
ref|XP_002325167.2| hypothetical protein POPTR_0018s12260g [Popu... 125 6e-27
ref|XP_006372132.1| hypothetical protein POPTR_0018s12260g [Popu... 125 6e-27
ref|XP_002266433.1| PREDICTED: uncharacterized protein LOC100263... 124 1e-26
emb|CBI25594.3| unnamed protein product [Vitis vinifera] 124 1e-26
emb|CAN78871.1| hypothetical protein VITISV_024970 [Vitis vinifera] 124 1e-26
ref|XP_006372136.1| hypothetical protein POPTR_0018s12260g [Popu... 122 8e-26
gb|EOY31302.1| RING/U-box superfamily protein isoform 2, partial... 120 2e-25
gb|EOY31301.1| RING/U-box superfamily protein isoform 1 [Theobro... 120 2e-25
ref|XP_002532498.1| ring finger protein, putative [Ricinus commu... 119 4e-25
gb|ESW27105.1| hypothetical protein PHAVU_003G174300g [Phaseolus... 118 9e-25
ref|XP_006473940.1| PREDICTED: uncharacterized protein LOC102616... 117 2e-24
ref|XP_006453713.1| hypothetical protein CICLE_v10007967mg [Citr... 117 2e-24
ref|XP_006453712.1| hypothetical protein CICLE_v10007967mg [Citr... 117 2e-24
ref|XP_004229712.1| PREDICTED: uncharacterized protein LOC101247... 114 2e-23
ref|XP_006354642.1| PREDICTED: suppressor protein SRP40-like [So... 113 3e-23
gb|EMJ19685.1| hypothetical protein PRUPE_ppa012075mg [Prunus pe... 113 3e-23
ref|XP_003549707.1| PREDICTED: uncharacterized protein DDB_G0271... 113 4e-23
>ref|XP_002308375.2| hypothetical protein POPTR_0006s20490g [Populus trichocarpa]
gi|550336724|gb|EEE91898.2| hypothetical protein
POPTR_0006s20490g [Populus trichocarpa]
Length = 576
Score = 127 bits (320), Expect = 1e-27
Identities = 64/111 (57%), Positives = 76/111 (68%)
Frame = +2
Query: 233 GTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEITREA 412
G DE C SGLH GTCSC+S + +EL R+SRIV L EA+ E+LDEI R+
Sbjct: 415 GLDENGRRTTSCPSGLHPDGTCSCESILMTEELNAHRRISRIVMLAEALFEVLDEIHRQP 474
Query: 413 MPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
+ SLSM+ LPAPES V+SFPLKNHKK + E +QCYICLAEYEEGD
Sbjct: 475 VSLSLSMMSLPAPESIVDSFPLKNHKKVDKVEGNDEHEQCYICLAEYEEGD 525
>ref|XP_006372138.1| hypothetical protein POPTR_0018s12260g [Populus trichocarpa]
gi|550318583|gb|ERP49935.1| hypothetical protein
POPTR_0018s12260g [Populus trichocarpa]
Length = 595
Score = 125 bits (315), Expect = 6e-27
Identities = 63/114 (55%), Positives = 76/114 (66%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C SGLH GTCSC+S + +E +SRIV L EA+ E+LDEI
Sbjct: 380 LRGGLDENGRRTTSCPSGLHPDGTCSCESFLMAEESSARGSISRIVMLAEALFEVLDEIH 439
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + SLSM+ LPAPES V+SFPLKNHKK + E +QCYICLAEYEEGD
Sbjct: 440 RQPVSLSLSMMSLPAPESVVDSFPLKNHKKLDRVKGNDEDEQCYICLAEYEEGD 493
>ref|XP_006372137.1| hypothetical protein POPTR_0018s12260g [Populus trichocarpa]
gi|550318582|gb|ERP49934.1| hypothetical protein
POPTR_0018s12260g [Populus trichocarpa]
Length = 331
Score = 125 bits (315), Expect = 6e-27
Identities = 63/114 (55%), Positives = 76/114 (66%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C SGLH GTCSC+S + +E +SRIV L EA+ E+LDEI
Sbjct: 166 LRGGLDENGRRTTSCPSGLHPDGTCSCESFLMAEESSARGSISRIVMLAEALFEVLDEIH 225
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + SLSM+ LPAPES V+SFPLKNHKK + E +QCYICLAEYEEGD
Sbjct: 226 RQPVSLSLSMMSLPAPESVVDSFPLKNHKKLDRVKGNDEDEQCYICLAEYEEGD 279
>ref|XP_002325167.2| hypothetical protein POPTR_0018s12260g [Populus trichocarpa]
gi|550318580|gb|EEF03732.2| hypothetical protein
POPTR_0018s12260g [Populus trichocarpa]
Length = 545
Score = 125 bits (315), Expect = 6e-27
Identities = 63/114 (55%), Positives = 76/114 (66%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C SGLH GTCSC+S + +E +SRIV L EA+ E+LDEI
Sbjct: 380 LRGGLDENGRRTTSCPSGLHPDGTCSCESFLMAEESSARGSISRIVMLAEALFEVLDEIH 439
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + SLSM+ LPAPES V+SFPLKNHKK + E +QCYICLAEYEEGD
Sbjct: 440 RQPVSLSLSMMSLPAPESVVDSFPLKNHKKLDRVKGNDEDEQCYICLAEYEEGD 493
>ref|XP_006372132.1| hypothetical protein POPTR_0018s12260g [Populus trichocarpa]
gi|550318576|gb|ERP49929.1| hypothetical protein
POPTR_0018s12260g [Populus trichocarpa]
Length = 503
Score = 125 bits (315), Expect = 6e-27
Identities = 63/114 (55%), Positives = 76/114 (66%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C SGLH GTCSC+S + +E +SRIV L EA+ E+LDEI
Sbjct: 338 LRGGLDENGRRTTSCPSGLHPDGTCSCESFLMAEESSARGSISRIVMLAEALFEVLDEIH 397
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + SLSM+ LPAPES V+SFPLKNHKK + E +QCYICLAEYEEGD
Sbjct: 398 RQPVSLSLSMMSLPAPESVVDSFPLKNHKKLDRVKGNDEDEQCYICLAEYEEGD 451
>ref|XP_002266433.1| PREDICTED: uncharacterized protein LOC100263653 [Vitis vinifera]
Length = 542
Score = 124 bits (312), Expect = 1e-26
Identities = 61/114 (53%), Positives = 76/114 (66%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C +GLH G CSCDS + +E +SRIV L EA+ E+LDEI
Sbjct: 378 LRGGLDESSRRTTTCPTGLHPDGMCSCDSFLMAEESSTRASISRIVMLAEALFEVLDEIH 437
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + +LSM+ LPAPES V+SFPLKNHKK+ S ++ QCYICLAEYEEGD
Sbjct: 438 RQPVSLALSMVSLPAPESVVDSFPLKNHKKADTAQSGEDVAQCYICLAEYEEGD 491
>emb|CBI25594.3| unnamed protein product [Vitis vinifera]
Length = 180
Score = 124 bits (312), Expect = 1e-26
Identities = 61/114 (53%), Positives = 76/114 (66%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C +GLH G CSCDS + +E +SRIV L EA+ E+LDEI
Sbjct: 16 LRGGLDESSRRTTTCPTGLHPDGMCSCDSFLMAEESSTRASISRIVMLAEALFEVLDEIH 75
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + +LSM+ LPAPES V+SFPLKNHKK+ S ++ QCYICLAEYEEGD
Sbjct: 76 RQPVSLALSMVSLPAPESVVDSFPLKNHKKADTAQSGEDVAQCYICLAEYEEGD 129
>emb|CAN78871.1| hypothetical protein VITISV_024970 [Vitis vinifera]
Length = 542
Score = 124 bits (312), Expect = 1e-26
Identities = 61/114 (53%), Positives = 76/114 (66%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C +GLH G CSCDS + +E +SRIV L EA+ E+LDEI
Sbjct: 378 LRGGLDESSRRTTTCPTGLHPDGMCSCDSFLMAEESSTRASISRIVMLAEALFEVLDEIH 437
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + +LSM+ LPAPES V+SFPLKNHKK+ S ++ QCYICLAEYEEGD
Sbjct: 438 RQPVSLALSMVSLPAPESVVDSFPLKNHKKADTAQSGEDVAQCYICLAEYEEGD 491
>ref|XP_006372136.1| hypothetical protein POPTR_0018s12260g [Populus trichocarpa]
gi|550318581|gb|ERP49933.1| hypothetical protein
POPTR_0018s12260g [Populus trichocarpa]
Length = 547
Score = 122 bits (305), Expect = 8e-26
Identities = 64/116 (55%), Positives = 76/116 (65%), Gaps = 2/116 (1%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGEL--LDE 397
+R G DE C SGLH GTCSC+S + +E +SRIV L EA+ EL LDE
Sbjct: 380 LRGGLDENGRRTTSCPSGLHPDGTCSCESFLMAEESSARGSISRIVMLAEALFELQVLDE 439
Query: 398 ITREAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
I R+ + SLSM+ LPAPES V+SFPLKNHKK + E +QCYICLAEYEEGD
Sbjct: 440 IHRQPVSLSLSMMSLPAPESVVDSFPLKNHKKLDRVKGNDEDEQCYICLAEYEEGD 495
>gb|EOY31302.1| RING/U-box superfamily protein isoform 2, partial [Theobroma cacao]
Length = 470
Score = 120 bits (302), Expect = 2e-25
Identities = 61/114 (53%), Positives = 73/114 (64%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C SGLH GTCSCDS + DE +SRIV L EA+ E+LDEI
Sbjct: 334 LRGGHDENSRRTTFCPSGLHPDGTCSCDSLLMTDESSARASISRIVMLAEALFEVLDEIH 393
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + SLSM+ LPAPES V+SFPL++HKK +QCYICLAEYEE D
Sbjct: 394 RQPVSLSLSMVSLPAPESVVDSFPLRSHKKLDAAEGGDAVEQCYICLAEYEEED 447
>gb|EOY31301.1| RING/U-box superfamily protein isoform 1 [Theobroma cacao]
Length = 540
Score = 120 bits (302), Expect = 2e-25
Identities = 61/114 (53%), Positives = 73/114 (64%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C SGLH GTCSCDS + DE +SRIV L EA+ E+LDEI
Sbjct: 377 LRGGHDENSRRTTFCPSGLHPDGTCSCDSLLMTDESSARASISRIVMLAEALFEVLDEIH 436
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + SLSM+ LPAPES V+SFPL++HKK +QCYICLAEYEE D
Sbjct: 437 RQPVSLSLSMVSLPAPESVVDSFPLRSHKKLDAAEGGDAVEQCYICLAEYEEED 490
>ref|XP_002532498.1| ring finger protein, putative [Ricinus communis]
gi|223527773|gb|EEF29874.1| ring finger protein,
putative [Ricinus communis]
Length = 550
Score = 119 bits (299), Expect = 4e-25
Identities = 59/114 (51%), Positives = 74/114 (64%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C SGLH G CSC+S +E +SRIV L EA+ E+LDEI
Sbjct: 379 LRGGLDEHGRRTTLCPSGLHPYGICSCESFSTTEETSTRASISRIVMLAEALFEVLDEIH 438
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + SLSM+ LPAPES V++FP++NHKK S + +QCYICLAEYEEGD
Sbjct: 439 RQPVSLSLSMMSLPAPESVVDAFPIRNHKKEDKVVGSDDVEQCYICLAEYEEGD 492
>gb|ESW27105.1| hypothetical protein PHAVU_003G174300g [Phaseolus vulgaris]
Length = 539
Score = 118 bits (296), Expect = 9e-25
Identities = 59/111 (53%), Positives = 74/111 (66%)
Frame = +2
Query: 233 GTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEITREA 412
G +E G + C GLH G CSC+S + DE +SRIV L EA+ E+LDEI R+
Sbjct: 379 GGFDEIGRWNSCPLGLHADGMCSCESSPMADESSTRASISRIVMLAEALFEVLDEIHRQP 438
Query: 413 MPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
SLSM+ LPAPES V+SFPLK+HKK + + + +QCYICLAEYEEGD
Sbjct: 439 GSLSLSMVSLPAPESIVDSFPLKSHKKVEVADGGNDVEQCYICLAEYEEGD 489
>ref|XP_006473940.1| PREDICTED: uncharacterized protein LOC102616381 [Citrus sinensis]
Length = 534
Score = 117 bits (293), Expect = 2e-24
Identities = 60/114 (52%), Positives = 74/114 (64%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C SGLH GTCSC+S + ++ +SRIV L EA+ E+LDEI
Sbjct: 373 LRAGLDENSRRTTFCPSGLHPDGTCSCESFVMSEDSGTRA-ISRIVMLAEALFEVLDEIH 431
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + SLSM+ LPAPES V+SFP+K+HKK E QCYICLAEYEEGD
Sbjct: 432 RQPVSLSLSMVSLPAPESVVDSFPIKSHKKGDKAEGGVEPDQCYICLAEYEEGD 485
>ref|XP_006453713.1| hypothetical protein CICLE_v10007967mg [Citrus clementina]
gi|557556939|gb|ESR66953.1| hypothetical protein
CICLE_v10007967mg [Citrus clementina]
Length = 534
Score = 117 bits (293), Expect = 2e-24
Identities = 60/114 (52%), Positives = 74/114 (64%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C SGLH GTCSC+S + ++ +SRIV L EA+ E+LDEI
Sbjct: 373 LRAGLDENSRRTTFCPSGLHPDGTCSCESFVMSEDSGTRA-ISRIVMLAEALFEVLDEIH 431
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + SLSM+ LPAPES V+SFP+K+HKK E QCYICLAEYEEGD
Sbjct: 432 RQPVSLSLSMVSLPAPESVVDSFPIKSHKKGDKAEGGVEPDQCYICLAEYEEGD 485
>ref|XP_006453712.1| hypothetical protein CICLE_v10007967mg [Citrus clementina]
gi|557556938|gb|ESR66952.1| hypothetical protein
CICLE_v10007967mg [Citrus clementina]
Length = 494
Score = 117 bits (293), Expect = 2e-24
Identities = 60/114 (52%), Positives = 74/114 (64%)
Frame = +2
Query: 224 VRYGTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEIT 403
+R G DE C SGLH GTCSC+S + ++ +SRIV L EA+ E+LDEI
Sbjct: 333 LRAGLDENSRRTTFCPSGLHPDGTCSCESFVMSEDSGTRA-ISRIVMLAEALFEVLDEIH 391
Query: 404 REAMPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
R+ + SLSM+ LPAPES V+SFP+K+HKK E QCYICLAEYEEGD
Sbjct: 392 RQPVSLSLSMVSLPAPESVVDSFPIKSHKKGDKAEGGVEPDQCYICLAEYEEGD 445
>ref|XP_004229712.1| PREDICTED: uncharacterized protein LOC101247366 [Solanum
lycopersicum]
Length = 492
Score = 114 bits (284), Expect = 2e-23
Identities = 55/101 (54%), Positives = 72/101 (71%), Gaps = 1/101 (0%)
Frame = +2
Query: 266 CSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEITREAMPFSLSMLPLP 445
CSSGLH GTCSC+ +E L +SRI+ L EA+ E+LDEI +++ SLS L LP
Sbjct: 343 CSSGLHPDGTCSCEPLLTTEEFSTLASISRIIILAEALFEVLDEIHQQSFTLSLSTLSLP 402
Query: 446 APESTVNSFPLKNHKK-SVMTNSSQETQQCYICLAEYEEGD 565
AP+S V+SFP+K+HKK + N+ + QQC+ICLAEYEEGD
Sbjct: 403 APDSVVDSFPVKSHKKLGAVDNAPTDIQQCHICLAEYEEGD 443
>ref|XP_006354642.1| PREDICTED: suppressor protein SRP40-like [Solanum tuberosum]
Length = 501
Score = 113 bits (283), Expect = 3e-23
Identities = 55/101 (54%), Positives = 72/101 (71%), Gaps = 1/101 (0%)
Frame = +2
Query: 266 CSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEITREAMPFSLSMLPLP 445
CSSGLH G+CSC+ +E L +SRI+ L EA+ E+LDEI +++ SLS L LP
Sbjct: 352 CSSGLHPDGSCSCEPLLTTEEFSTLASISRIIILAEALFEVLDEIHQQSFTLSLSTLSLP 411
Query: 446 APESTVNSFPLKNHKK-SVMTNSSQETQQCYICLAEYEEGD 565
AP+S V+SFPLK+HKK + N+ + QQC+ICLAEYEEGD
Sbjct: 412 APDSVVDSFPLKSHKKLGAIDNAPTDIQQCHICLAEYEEGD 452
>gb|EMJ19685.1| hypothetical protein PRUPE_ppa012075mg [Prunus persica]
Length = 184
Score = 113 bits (283), Expect = 3e-23
Identities = 54/111 (48%), Positives = 70/111 (63%)
Frame = +2
Query: 233 GTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEITREA 412
G E G CSS LH GTCSC++ + + + V RI+ L EA+ E+LDEI
Sbjct: 31 GLVNERGPRSFCSSRLHANGTCSCETSLMAEISSIHATVLRIIMLTEALNEILDEIRHVP 90
Query: 413 MPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
+ S SML PAPE+ VNSFPLKNHK + + +Q+ Q+CYICL+EY EGD
Sbjct: 91 LSLSQSMLSPPAPENVVNSFPLKNHKSEITESKAQDAQECYICLSEYNEGD 141
>ref|XP_003549707.1| PREDICTED: uncharacterized protein DDB_G0271670-like [Glycine max]
Length = 541
Score = 113 bits (282), Expect = 4e-23
Identities = 55/111 (49%), Positives = 73/111 (65%)
Frame = +2
Query: 233 GTDEEDGHLHHCSSGLHQLGTCSCDSQFLGDELRVLVRVSRIVFLVEAIGELLDEITREA 412
G +E G + C GLH G CSC+S + +E +SRI+ L EA+ E+LDEI R+
Sbjct: 381 GGFDEIGRWNSCPLGLHADGMCSCESSPMAEESSTQASISRIIMLAEALFEVLDEIHRQP 440
Query: 413 MPFSLSMLPLPAPESTVNSFPLKNHKKSVMTNSSQETQQCYICLAEYEEGD 565
SLSM+ LPAPES V+S PLK+HKK + + + +QCYICLA+YEEGD
Sbjct: 441 GSLSLSMVSLPAPESVVDSLPLKSHKKVDVAHGGNDAEQCYICLADYEEGD 491