BLASTX nr result

ID: Ophiopogon27_contig00032927 seq

BLASTX 2.2.26 [Sep-21-2011]


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= Ophiopogon27_contig00032927
         (380 letters)

Database: All non-redundant GenBank CDS
translations+PDB+SwissProt+PIR+PRF excluding environmental samples
from WGS projects 
           149,584,005 sequences; 54,822,741,787 total letters

Searching..................................................done



                                                                 Score    E
Sequences producing significant alignments:                      (bits) Value

ref|XP_020254957.1| protein REDUCED WALL ACETYLATION 2-like [Asp...   178   8e-51
ref|XP_008806718.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   152   8e-42
ref|XP_010931774.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   154   1e-41
ref|XP_008801727.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   152   1e-41
ref|XP_008806716.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   152   2e-41
ref|XP_008806715.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   153   2e-41
ref|XP_010938204.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   153   2e-41
ref|XP_010938202.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   153   2e-41
ref|XP_010938200.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   153   2e-41
ref|XP_010914624.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   153   2e-41
ref|XP_010931773.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   152   3e-41
ref|XP_019710189.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   153   3e-41
ref|XP_008801726.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   152   4e-41
ref|XP_008806714.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   152   6e-41
ref|XP_008806713.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   152   6e-41
gb|EMS59121.1| hypothetical protein TRIUR3_13213 [Triticum urartu]    148   2e-40
ref|XP_009411616.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   149   4e-40
gb|PNT77527.1| hypothetical protein BRADI_1g64180v3 [Brachypodiu...   148   8e-40
ref|XP_008793352.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   148   1e-39
ref|XP_010270836.1| PREDICTED: protein REDUCED WALL ACETYLATION ...   148   2e-39

>ref|XP_020254957.1| protein REDUCED WALL ACETYLATION 2-like [Asparagus officinalis]
 gb|ONK78755.1| uncharacterized protein A4U43_C02F22080 [Asparagus officinalis]
          Length = 543

 Score =  178 bits (451), Expect = 8e-51
 Identities = 84/94 (89%), Positives = 89/94 (94%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFRSCTLTL AWLGKITLETYISQFHIWL+TGGPDDQPR LLS IPNYPMLNFMLTTAIY
Sbjct: 429 QFRSCTLTLLAWLGKITLETYISQFHIWLKTGGPDDQPRALLSLIPNYPMLNFMLTTAIY 488

Query: 198 VAVAHRIFELTNILKVAFIPRDNKRLLSNATAVA 97
           VAVAHRIFELTN+LK+AFIPRDNKRL+SN T+ A
Sbjct: 489 VAVAHRIFELTNVLKLAFIPRDNKRLMSNVTSAA 522


>ref|XP_008806718.1| PREDICTED: protein REDUCED WALL ACETYLATION 3-like isoform X5
           [Phoenix dactylifera]
          Length = 420

 Score =  152 bits (383), Expect = 8e-42
 Identities = 74/93 (79%), Positives = 80/93 (86%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFR  TLTLF WLGKITLETYISQFHIWLR+ GPD+QPRMLLS IP+YPMLNFMLTTAIY
Sbjct: 302 QFRGYTLTLFGWLGKITLETYISQFHIWLRSKGPDEQPRMLLSLIPSYPMLNFMLTTAIY 361

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           + VAHRIFELTN LK+ F+P RDNKRL  N  A
Sbjct: 362 ITVAHRIFELTNNLKIVFLPSRDNKRLTYNLAA 394


>ref|XP_010931774.1| PREDICTED: protein REDUCED WALL ACETYLATION 4-like isoform X2
           [Elaeis guineensis]
          Length = 543

 Score =  154 bits (388), Expect = 1e-41
 Identities = 79/116 (68%), Positives = 85/116 (73%), Gaps = 1/116 (0%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFR  TLTLF WLGKITLETYISQFHIWLR+GGPD+QPRMLLS IPNYPMLNFMLTTAIY
Sbjct: 428 QFRGYTLTLFGWLGKITLETYISQFHIWLRSGGPDEQPRMLLSLIPNYPMLNFMLTTAIY 487

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATAVAXXXXXXXXXXXXXXXFPKLLA 34
           + VA RIFELTN LK+ F+P RDNK L  N TA                  PK+LA
Sbjct: 488 ITVARRIFELTNNLKIVFLPSRDNKCLAYNLTAGVIISITLYALSLVLLSLPKMLA 543


>ref|XP_008801727.1| PREDICTED: protein REDUCED WALL ACETYLATION 2-like isoform X2
           [Phoenix dactylifera]
          Length = 457

 Score =  152 bits (384), Expect = 1e-41
 Identities = 74/93 (79%), Positives = 81/93 (87%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFRS TLTL  WLGKITLETYISQFHIWLR+GGPD+QP MLLS IP+YPMLNFMLTTAIY
Sbjct: 339 QFRSYTLTLLGWLGKITLETYISQFHIWLRSGGPDEQPGMLLSLIPSYPMLNFMLTTAIY 398

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           + VAHRIFELTN LK+ F+P RDNK L+ N TA
Sbjct: 399 ITVAHRIFELTNKLKMVFVPSRDNKHLMYNLTA 431


>ref|XP_008806716.1| PREDICTED: protein REDUCED WALL ACETYLATION 1-like isoform X4
           [Phoenix dactylifera]
 ref|XP_008806717.1| PREDICTED: protein REDUCED WALL ACETYLATION 1-like isoform X4
           [Phoenix dactylifera]
          Length = 457

 Score =  152 bits (383), Expect = 2e-41
 Identities = 74/93 (79%), Positives = 80/93 (86%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFR  TLTLF WLGKITLETYISQFHIWLR+ GPD+QPRMLLS IP+YPMLNFMLTTAIY
Sbjct: 339 QFRGYTLTLFGWLGKITLETYISQFHIWLRSKGPDEQPRMLLSLIPSYPMLNFMLTTAIY 398

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           + VAHRIFELTN LK+ F+P RDNKRL  N  A
Sbjct: 399 ITVAHRIFELTNNLKIVFLPSRDNKRLTYNLAA 431


>ref|XP_008806715.1| PREDICTED: protein REDUCED WALL ACETYLATION 1-like isoform X3
           [Phoenix dactylifera]
          Length = 543

 Score =  153 bits (386), Expect = 2e-41
 Identities = 78/116 (67%), Positives = 85/116 (73%), Gaps = 1/116 (0%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFR  TLTLF WLGKITLETYISQFHIWLR+ GPD+QPRMLLS IP+YPMLNFMLTTAIY
Sbjct: 428 QFRGYTLTLFGWLGKITLETYISQFHIWLRSKGPDEQPRMLLSLIPSYPMLNFMLTTAIY 487

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATAVAXXXXXXXXXXXXXXXFPKLLA 34
           + VAHRIFELTN LK+ F+P RDNKRL  N  A                  PK+LA
Sbjct: 488 ITVAHRIFELTNNLKIVFLPSRDNKRLTYNLAAGVIISITLYALSLVLLNLPKMLA 543


>ref|XP_010938204.1| PREDICTED: protein REDUCED WALL ACETYLATION 1 isoform X4 [Elaeis
           guineensis]
          Length = 544

 Score =  153 bits (386), Expect = 2e-41
 Identities = 74/93 (79%), Positives = 84/93 (90%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFRSC+LTLFAWLGKITLETYISQ HIWLR+G P+ QPR LLS IPNYP+LNFMLTTAIY
Sbjct: 429 QFRSCSLTLFAWLGKITLETYISQIHIWLRSGVPNGQPRYLLSLIPNYPLLNFMLTTAIY 488

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           VAV+HRIFELTN LK+AF+P RD+KRL++N  A
Sbjct: 489 VAVSHRIFELTNTLKMAFVPSRDDKRLMNNMIA 521


>ref|XP_010938202.1| PREDICTED: protein REDUCED WALL ACETYLATION 1 isoform X3 [Elaeis
           guineensis]
          Length = 545

 Score =  153 bits (386), Expect = 2e-41
 Identities = 74/93 (79%), Positives = 84/93 (90%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFRSC+LTLFAWLGKITLETYISQ HIWLR+G P+ QPR LLS IPNYP+LNFMLTTAIY
Sbjct: 430 QFRSCSLTLFAWLGKITLETYISQIHIWLRSGVPNGQPRYLLSLIPNYPLLNFMLTTAIY 489

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           VAV+HRIFELTN LK+AF+P RD+KRL++N  A
Sbjct: 490 VAVSHRIFELTNTLKMAFVPSRDDKRLMNNMIA 522


>ref|XP_010938200.1| PREDICTED: protein REDUCED WALL ACETYLATION 1 isoform X2 [Elaeis
           guineensis]
          Length = 546

 Score =  153 bits (386), Expect = 2e-41
 Identities = 74/93 (79%), Positives = 84/93 (90%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFRSC+LTLFAWLGKITLETYISQ HIWLR+G P+ QPR LLS IPNYP+LNFMLTTAIY
Sbjct: 431 QFRSCSLTLFAWLGKITLETYISQIHIWLRSGVPNGQPRYLLSLIPNYPLLNFMLTTAIY 490

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           VAV+HRIFELTN LK+AF+P RD+KRL++N  A
Sbjct: 491 VAVSHRIFELTNTLKMAFVPSRDDKRLMNNMIA 523


>ref|XP_010914624.1| PREDICTED: protein REDUCED WALL ACETYLATION 4 [Elaeis guineensis]
          Length = 547

 Score =  153 bits (386), Expect = 2e-41
 Identities = 75/93 (80%), Positives = 80/93 (86%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFR  TLTL  WLGKITLETYISQFHIWLR+GGPD QPRMLLS IPNYPMLNFMLTTAIY
Sbjct: 429 QFRGYTLTLLGWLGKITLETYISQFHIWLRSGGPDKQPRMLLSLIPNYPMLNFMLTTAIY 488

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           +AVAHRIFELTN LK+ F+P RD KRL+ N  A
Sbjct: 489 IAVAHRIFELTNKLKMVFLPSRDGKRLMFNLAA 521


>ref|XP_010931773.1| PREDICTED: protein REDUCED WALL ACETYLATION 4-like isoform X1
           [Elaeis guineensis]
          Length = 544

 Score =  152 bits (385), Expect = 3e-41
 Identities = 75/93 (80%), Positives = 80/93 (86%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFR  TLTLF WLGKITLETYISQFHIWLR+GGPD+QPRMLLS IPNYPMLNFMLTTAIY
Sbjct: 428 QFRGYTLTLFGWLGKITLETYISQFHIWLRSGGPDEQPRMLLSLIPNYPMLNFMLTTAIY 487

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           + VA RIFELTN LK+ F+P RDNK L  N TA
Sbjct: 488 ITVARRIFELTNNLKIVFLPSRDNKCLAYNLTA 520


>ref|XP_019710189.1| PREDICTED: protein REDUCED WALL ACETYLATION 1 isoform X1 [Elaeis
           guineensis]
          Length = 584

 Score =  153 bits (386), Expect = 3e-41
 Identities = 74/93 (79%), Positives = 84/93 (90%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFRSC+LTLFAWLGKITLETYISQ HIWLR+G P+ QPR LLS IPNYP+LNFMLTTAIY
Sbjct: 469 QFRSCSLTLFAWLGKITLETYISQIHIWLRSGVPNGQPRYLLSLIPNYPLLNFMLTTAIY 528

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           VAV+HRIFELTN LK+AF+P RD+KRL++N  A
Sbjct: 529 VAVSHRIFELTNTLKMAFVPSRDDKRLMNNMIA 561


>ref|XP_008801726.1| PREDICTED: protein REDUCED WALL ACETYLATION 3-like isoform X1
           [Phoenix dactylifera]
          Length = 547

 Score =  152 bits (384), Expect = 4e-41
 Identities = 74/93 (79%), Positives = 81/93 (87%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFRS TLTL  WLGKITLETYISQFHIWLR+GGPD+QP MLLS IP+YPMLNFMLTTAIY
Sbjct: 429 QFRSYTLTLLGWLGKITLETYISQFHIWLRSGGPDEQPGMLLSLIPSYPMLNFMLTTAIY 488

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           + VAHRIFELTN LK+ F+P RDNK L+ N TA
Sbjct: 489 ITVAHRIFELTNKLKMVFVPSRDNKHLMYNLTA 521


>ref|XP_008806714.1| PREDICTED: protein REDUCED WALL ACETYLATION 1-like isoform X2
           [Phoenix dactylifera]
          Length = 544

 Score =  152 bits (383), Expect = 6e-41
 Identities = 74/93 (79%), Positives = 80/93 (86%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFR  TLTLF WLGKITLETYISQFHIWLR+ GPD+QPRMLLS IP+YPMLNFMLTTAIY
Sbjct: 428 QFRGYTLTLFGWLGKITLETYISQFHIWLRSKGPDEQPRMLLSLIPSYPMLNFMLTTAIY 487

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           + VAHRIFELTN LK+ F+P RDNKRL  N  A
Sbjct: 488 ITVAHRIFELTNNLKIVFLPSRDNKRLTYNLAA 520


>ref|XP_008806713.1| PREDICTED: protein REDUCED WALL ACETYLATION 4-like isoform X1
           [Phoenix dactylifera]
          Length = 546

 Score =  152 bits (383), Expect = 6e-41
 Identities = 74/93 (79%), Positives = 80/93 (86%), Gaps = 1/93 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFR  TLTLF WLGKITLETYISQFHIWLR+ GPD+QPRMLLS IP+YPMLNFMLTTAIY
Sbjct: 428 QFRGYTLTLFGWLGKITLETYISQFHIWLRSKGPDEQPRMLLSLIPSYPMLNFMLTTAIY 487

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           + VAHRIFELTN LK+ F+P RDNKRL  N  A
Sbjct: 488 ITVAHRIFELTNNLKIVFLPSRDNKRLTYNLAA 520


>gb|EMS59121.1| hypothetical protein TRIUR3_13213 [Triticum urartu]
          Length = 410

 Score =  148 bits (373), Expect = 2e-40
 Identities = 67/89 (75%), Positives = 81/89 (91%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           +FR+C+LTLFAWLGKITLETYISQFHIWLR+  P+ QP+ LL+ IP+YP+LNFMLTTA+Y
Sbjct: 298 EFRACSLTLFAWLGKITLETYISQFHIWLRSKVPNGQPKWLLTIIPDYPLLNFMLTTALY 357

Query: 198 VAVAHRIFELTNILKVAFIPRDNKRLLSN 112
           VAV+HR+FELTN LK+AF+PRDNKRL  N
Sbjct: 358 VAVSHRLFELTNALKIAFVPRDNKRLSYN 386


>ref|XP_009411616.1| PREDICTED: protein REDUCED WALL ACETYLATION 4-like [Musa acuminata
           subsp. malaccensis]
          Length = 546

 Score =  149 bits (377), Expect = 4e-40
 Identities = 72/92 (78%), Positives = 81/92 (88%), Gaps = 1/92 (1%)
 Frame = -3

Query: 375 FRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIYV 196
           FRSC+LTLFAWLGKITLETYISQ HIWLR+G PD QPR LLS +P+YPMLNFMLTTAIYV
Sbjct: 432 FRSCSLTLFAWLGKITLETYISQIHIWLRSGVPDGQPRWLLSLVPDYPMLNFMLTTAIYV 491

Query: 195 AVAHRIFELTNILKVAFIP-RDNKRLLSNATA 103
           AV+HR+FELTN LK+AF+P RD+KRL  N  A
Sbjct: 492 AVSHRLFELTNTLKMAFVPSRDDKRLAHNVIA 523


>gb|PNT77527.1| hypothetical protein BRADI_1g64180v3 [Brachypodium distachyon]
          Length = 489

 Score =  148 bits (373), Expect = 8e-40
 Identities = 68/92 (73%), Positives = 81/92 (88%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           +FR+C++TLFAWLGKITLETYISQFHIWLR+  P+ QP+ LL+ IP YP+LNFMLTTAIY
Sbjct: 377 EFRACSMTLFAWLGKITLETYISQFHIWLRSKVPNGQPKWLLTIIPEYPLLNFMLTTAIY 436

Query: 198 VAVAHRIFELTNILKVAFIPRDNKRLLSNATA 103
           VAV+HR+FELTN LK+AF+PRDNKRL  N  A
Sbjct: 437 VAVSHRLFELTNTLKIAFVPRDNKRLSYNFMA 468


>ref|XP_008793352.1| PREDICTED: protein REDUCED WALL ACETYLATION 1-like [Phoenix
           dactylifera]
          Length = 546

 Score =  148 bits (374), Expect = 1e-39
 Identities = 71/95 (74%), Positives = 82/95 (86%), Gaps = 1/95 (1%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFRSC+LTL AWLGKITLETYISQ HIWLR+G P+ QPR L S IPNYP+LNFMLTTAIY
Sbjct: 431 QFRSCSLTLLAWLGKITLETYISQIHIWLRSGVPNGQPRYLFSLIPNYPLLNFMLTTAIY 490

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATAVA 97
           +AV+HR+FELT+ LK AF+P RDNKRL++N  A A
Sbjct: 491 IAVSHRLFELTSTLKTAFVPGRDNKRLMNNVIAGA 525


>ref|XP_010270836.1| PREDICTED: protein REDUCED WALL ACETYLATION 3 isoform X2 [Nelumbo
           nucifera]
          Length = 545

 Score =  148 bits (373), Expect = 2e-39
 Identities = 75/115 (65%), Positives = 86/115 (74%), Gaps = 1/115 (0%)
 Frame = -3

Query: 378 QFRSCTLTLFAWLGKITLETYISQFHIWLRTGGPDDQPRMLLSFIPNYPMLNFMLTTAIY 199
           QFRS +LTLFAWLGKITLETYISQ HIWLR+G PD QPR LLS IP+YPMLNFMLTT+IY
Sbjct: 430 QFRSYSLTLFAWLGKITLETYISQIHIWLRSGVPDGQPRWLLSLIPDYPMLNFMLTTSIY 489

Query: 198 VAVAHRIFELTNILKVAFIP-RDNKRLLSNATAVAXXXXXXXXXXXXXXXFPKLL 37
           VA++HRIFELTN LK +F+P +DNKRL+ N  A A                PK+L
Sbjct: 490 VAISHRIFELTNTLKSSFVPSKDNKRLMYNMIAAAVISIMLYSLSFVFLQIPKIL 544


Top