BLASTX nr result
ID: Ophiopogon24_contig00011506
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= Ophiopogon24_contig00011506 (1133 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_010929581.1| PREDICTED: mediator of RNA polymerase II tra... 155 2e-39 ref|XP_020262611.1| uncharacterized protein LOC109838590 [Aspara... 154 9e-38 ref|XP_020686877.1| mediator of RNA polymerase II transcription ... 147 3e-37 ref|XP_020092532.1| PAX-interacting protein 1-like [Ananas comosus] 146 9e-37 ref|XP_020591633.1| mediator of RNA polymerase II transcription ... 145 1e-36 ref|XP_009404750.1| PREDICTED: SWI/SNF chromatin-remodeling comp... 143 2e-35 gb|PKA58932.1| hypothetical protein AXF42_Ash001025 [Apostasia s... 137 8e-35 gb|OAY68936.1| hypothetical protein ACMD2_19506 [Ananas comosus] 138 4e-34 ref|XP_020106409.1| putative mediator of RNA polymerase II trans... 138 4e-34 ref|NP_001143489.1| uncharacterized protein LOC100276166 [Zea ma... 139 5e-34 ref|XP_003576271.1| PREDICTED: general transcriptional corepress... 138 6e-34 ref|XP_015620374.1| PREDICTED: transcription factor SPT20 homolo... 139 6e-34 ref|XP_006664875.1| PREDICTED: glioma tumor suppressor candidate... 138 7e-34 gb|OEL27681.1| hypothetical protein BAE44_0011300 [Dichanthelium... 138 8e-34 gb|ONM32300.1| DECUSSATE protein [Zea mays] 139 1e-33 gb|KMZ67010.1| hypothetical protein ZOSMA_27G00570 [Zostera marina] 138 1e-33 ref|XP_002443159.1| transcription factor SPT20 homolog [Sorghum ... 137 2e-33 ref|XP_020174598.1| uncharacterized protein LOC109760179 [Aegilo... 137 2e-33 ref|XP_002319242.1| hypothetical protein POPTR_0013s07420g [Popu... 136 3e-33 emb|CBI26439.3| unnamed protein product, partial [Vitis vinifera] 134 3e-33 >ref|XP_010929581.1| PREDICTED: mediator of RNA polymerase II transcription subunit 15 [Elaeis guineensis] Length = 437 Score = 155 bits (391), Expect = 2e-39 Identities = 72/79 (91%), Positives = 78/79 (98%) Frame = -1 Query: 1073 NPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQV 894 +PVEVEMA QDAMKVCNPD+KRPFASIEDAVLRLLPYHVVSD+EAEEDDR+LDSDTTGQ+ Sbjct: 195 SPVEVEMAQQDAMKVCNPDIKRPFASIEDAVLRLLPYHVVSDYEAEEDDRILDSDTTGQI 254 Query: 893 PSRLQQWDHNILAKIAEFT 837 PSRLQQWDHNIL+KIAEFT Sbjct: 255 PSRLQQWDHNILSKIAEFT 273 Score = 67.4 bits (163), Expect = 1e-08 Identities = 41/85 (48%), Positives = 47/85 (55%) Frame = -1 Query: 650 MRANAMGSHGDNHSGGQDVGPEQGGNMEEMIHGWGXXXXXXNDGQRDDEEPSXXXXXXXX 471 M+A+A S GD SG D+G E GGNMEE IHGWG + QRDDE+PS Sbjct: 363 MKASAAASQGDEGSG-HDMGQEPGGNMEE-IHGWG-------NAQRDDEDPSEDFLNDEN 413 Query: 470 XXXXXXDAGSQEEWQESGEFDLNTR 396 G Q EW+E GE DLNTR Sbjct: 414 EPEDGE-TGMQNEWREVGELDLNTR 437 >ref|XP_020262611.1| uncharacterized protein LOC109838590 [Asparagus officinalis] Length = 698 Score = 154 bits (389), Expect = 9e-38 Identities = 73/82 (89%), Positives = 77/82 (93%) Frame = -1 Query: 1082 QGGNPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTT 903 +G P EMAHQDAMKVCNPDVKRPFAS+EDAV+RLLPYHVVSDFEAEEDDR+LDSDTT Sbjct: 443 RGQPPWRCEMAHQDAMKVCNPDVKRPFASVEDAVIRLLPYHVVSDFEAEEDDRILDSDTT 502 Query: 902 GQVPSRLQQWDHNILAKIAEFT 837 GQVPSRLQQWDHNILAKIAEFT Sbjct: 503 GQVPSRLQQWDHNILAKIAEFT 524 Score = 88.2 bits (217), Expect = 3e-15 Identities = 50/92 (54%), Positives = 56/92 (60%), Gaps = 5/92 (5%) Frame = -1 Query: 656 PAMRANAMGSHGDNHSGGQDVGPEQGGNMEEMIHGW-----GXXXXXXNDGQRDDEEPSX 492 P MRA+AMGSHGD+ SGG DVG EQGGNMEEM+HGW N+GQRDDEEPS Sbjct: 613 PPMRASAMGSHGDSGSGGHDVGSEQGGNMEEMMHGWRNSSNNNNNNNDNNGQRDDEEPSE 672 Query: 491 XXXXXXXXXXXXXDAGSQEEWQESGEFDLNTR 396 +AGSQE +FDLNTR Sbjct: 673 DFLNDENENENGEEAGSQE------DFDLNTR 698 >ref|XP_020686877.1| mediator of RNA polymerase II transcription subunit 9 [Dendrobium catenatum] Length = 352 Score = 147 bits (371), Expect = 3e-37 Identities = 67/80 (83%), Positives = 73/80 (91%) Frame = -1 Query: 1076 GNPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQ 897 GN +E EM HQD M VCNPD KRPF+SIEDAVLRLLPYHVV+D+EAEEDDR+LDSDTTGQ Sbjct: 99 GNSIEAEMVHQDVMNVCNPDFKRPFSSIEDAVLRLLPYHVVADYEAEEDDRILDSDTTGQ 158 Query: 896 VPSRLQQWDHNILAKIAEFT 837 +PSRLQQWDHNILAKIAE T Sbjct: 159 IPSRLQQWDHNILAKIAELT 178 >ref|XP_020092532.1| PAX-interacting protein 1-like [Ananas comosus] Length = 373 Score = 146 bits (369), Expect = 9e-37 Identities = 70/79 (88%), Positives = 73/79 (92%) Frame = -1 Query: 1073 NPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQV 894 NPVEVEMA QDAMKVCNPD+K PFASIEDAV RLLPYHVVSD+EAEEDDR+LDSD TGQV Sbjct: 142 NPVEVEMAQQDAMKVCNPDIKTPFASIEDAVHRLLPYHVVSDYEAEEDDRILDSDVTGQV 201 Query: 893 PSRLQQWDHNILAKIAEFT 837 SRLQQWDHNIL KIAEFT Sbjct: 202 NSRLQQWDHNILVKIAEFT 220 >ref|XP_020591633.1| mediator of RNA polymerase II transcription subunit 15 [Phalaenopsis equestris] ref|XP_020591642.1| mediator of RNA polymerase II transcription subunit 15 [Phalaenopsis equestris] ref|XP_020591650.1| mediator of RNA polymerase II transcription subunit 15 [Phalaenopsis equestris] ref|XP_020591658.1| mediator of RNA polymerase II transcription subunit 15 [Phalaenopsis equestris] ref|XP_020591666.1| mediator of RNA polymerase II transcription subunit 15 [Phalaenopsis equestris] ref|XP_020591673.1| mediator of RNA polymerase II transcription subunit 15 [Phalaenopsis equestris] Length = 350 Score = 145 bits (367), Expect = 1e-36 Identities = 65/80 (81%), Positives = 73/80 (91%) Frame = -1 Query: 1076 GNPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQ 897 GN +E EM HQD M VCNPD KRPF+S+EDAVLRLLPYHV++D+EAEEDDR+LDSDTTGQ Sbjct: 105 GNSIEAEMVHQDVMNVCNPDFKRPFSSVEDAVLRLLPYHVMADYEAEEDDRILDSDTTGQ 164 Query: 896 VPSRLQQWDHNILAKIAEFT 837 +PSRLQQWDHNILAKIAE T Sbjct: 165 IPSRLQQWDHNILAKIAELT 184 >ref|XP_009404750.1| PREDICTED: SWI/SNF chromatin-remodeling complex subunit SNF5-like [Musa acuminata subsp. malaccensis] Length = 401 Score = 143 bits (361), Expect = 2e-35 Identities = 65/84 (77%), Positives = 76/84 (90%) Frame = -1 Query: 1088 VRQGGNPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSD 909 V + GNP+E+EMA +DA+ VCNPD KRPFAS+EDAVLRLLPYHVVSD+EAEEDDR+LDSD Sbjct: 154 VGRPGNPLEIEMAQKDALMVCNPDFKRPFASVEDAVLRLLPYHVVSDYEAEEDDRILDSD 213 Query: 908 TTGQVPSRLQQWDHNILAKIAEFT 837 TTG + SR+QQWDHN+L KIAEFT Sbjct: 214 TTGHIFSRIQQWDHNVLTKIAEFT 237 Score = 66.6 bits (161), Expect = 2e-08 Identities = 41/85 (48%), Positives = 48/85 (56%) Frame = -1 Query: 650 MRANAMGSHGDNHSGGQDVGPEQGGNMEEMIHGWGXXXXXXNDGQRDDEEPSXXXXXXXX 471 +RA A GS GD SG D+G EQ GNM+E IHGWG + QR+DEEPS Sbjct: 327 VRAGAAGSLGDEVSG-HDMGQEQAGNMDE-IHGWG-------NAQREDEEPSEDFLNDEN 377 Query: 470 XXXXXXDAGSQEEWQESGEFDLNTR 396 G Q EW+E+GE DLNTR Sbjct: 378 EPENGD-TGEQGEWREAGELDLNTR 401 >gb|PKA58932.1| hypothetical protein AXF42_Ash001025 [Apostasia shenzhenica] Length = 215 Score = 137 bits (344), Expect = 8e-35 Identities = 62/80 (77%), Positives = 71/80 (88%) Frame = -1 Query: 1076 GNPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQ 897 G+ VE EM HQD M VCNPD KRPF+SIEDAV RLLPYHVV+D+EAEEDD++L+SD TGQ Sbjct: 36 GSTVEAEMVHQDVMNVCNPDFKRPFSSIEDAVHRLLPYHVVADYEAEEDDKILESDITGQ 95 Query: 896 VPSRLQQWDHNILAKIAEFT 837 +PSRLQQWDHNIL+KIAE T Sbjct: 96 IPSRLQQWDHNILSKIAELT 115 >gb|OAY68936.1| hypothetical protein ACMD2_19506 [Ananas comosus] Length = 333 Score = 138 bits (348), Expect = 4e-34 Identities = 65/79 (82%), Positives = 72/79 (91%) Frame = -1 Query: 1073 NPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQV 894 NPVEVEMA QDA+KVCNPDVK PF+SIEDAV RLLPYHVVSD+EAEEDDR+LDSD TGQV Sbjct: 102 NPVEVEMAQQDALKVCNPDVKTPFSSIEDAVHRLLPYHVVSDYEAEEDDRILDSDATGQV 161 Query: 893 PSRLQQWDHNILAKIAEFT 837 SRLQQW+H++L KIAE T Sbjct: 162 NSRLQQWEHSVLVKIAELT 180 >ref|XP_020106409.1| putative mediator of RNA polymerase II transcription subunit 26 [Ananas comosus] Length = 335 Score = 138 bits (348), Expect = 4e-34 Identities = 65/79 (82%), Positives = 72/79 (91%) Frame = -1 Query: 1073 NPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQV 894 NPVEVEMA QDA+KVCNPDVK PF+SIEDAV RLLPYHVVSD+EAEEDDR+LDSD TGQV Sbjct: 104 NPVEVEMAQQDALKVCNPDVKTPFSSIEDAVHRLLPYHVVSDYEAEEDDRILDSDATGQV 163 Query: 893 PSRLQQWDHNILAKIAEFT 837 SRLQQW+H++L KIAE T Sbjct: 164 NSRLQQWEHSVLVKIAELT 182 >ref|NP_001143489.1| uncharacterized protein LOC100276166 [Zea mays] gb|ACG32540.1| hypothetical protein [Zea mays] Length = 359 Score = 139 bits (349), Expect = 5e-34 Identities = 65/76 (85%), Positives = 71/76 (93%) Frame = -1 Query: 1064 EVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQVPSR 885 E+EMA QDAM+VCNPDVK PF SIEDAV RLLPYHVV+D+EAEEDDR+LDSDTTGQ+PSR Sbjct: 128 EMEMALQDAMRVCNPDVKTPFQSIEDAVNRLLPYHVVADYEAEEDDRILDSDTTGQIPSR 187 Query: 884 LQQWDHNILAKIAEFT 837 LQQWDHNIL KIAEFT Sbjct: 188 LQQWDHNILVKIAEFT 203 >ref|XP_003576271.1| PREDICTED: general transcriptional corepressor CYC8-like [Brachypodium distachyon] gb|KQJ86774.1| hypothetical protein BRADI_4g07630v3 [Brachypodium distachyon] Length = 355 Score = 138 bits (348), Expect = 6e-34 Identities = 64/80 (80%), Positives = 71/80 (88%) Frame = -1 Query: 1076 GNPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQ 897 G EVEMA QDAM+VCNPD+K PF S+EDAV RLLPYHVV+D+EAEEDDR+LDSD TGQ Sbjct: 119 GRSPEVEMALQDAMRVCNPDIKTPFQSLEDAVSRLLPYHVVADYEAEEDDRILDSDATGQ 178 Query: 896 VPSRLQQWDHNILAKIAEFT 837 +PSRLQQWDHNIL KIAEFT Sbjct: 179 IPSRLQQWDHNILVKIAEFT 198 >ref|XP_015620374.1| PREDICTED: transcription factor SPT20 homolog isoform X2 [Oryza sativa Japonica Group] gb|ABG22017.1| expressed protein [Oryza sativa Japonica Group] Length = 372 Score = 139 bits (349), Expect = 6e-34 Identities = 64/76 (84%), Positives = 71/76 (93%) Frame = -1 Query: 1064 EVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQVPSR 885 EVEMA QDAM+VCNPD+K PF S+EDAV RLLPYHVV+D+EAEEDDR+LDSDTTGQ+PSR Sbjct: 140 EVEMALQDAMRVCNPDIKTPFQSLEDAVNRLLPYHVVADYEAEEDDRILDSDTTGQIPSR 199 Query: 884 LQQWDHNILAKIAEFT 837 LQQWDHNIL KIAEFT Sbjct: 200 LQQWDHNILVKIAEFT 215 >ref|XP_006664875.1| PREDICTED: glioma tumor suppressor candidate region gene 1 protein [Oryza brachyantha] Length = 357 Score = 138 bits (348), Expect = 7e-34 Identities = 64/76 (84%), Positives = 71/76 (93%) Frame = -1 Query: 1064 EVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQVPSR 885 EVEMA QDAM+VCNPD+K PF S+EDAV RLLPYHVV+D+EAEEDDR+LDSDTTGQ+PSR Sbjct: 125 EVEMALQDAMRVCNPDIKTPFHSLEDAVNRLLPYHVVADYEAEEDDRILDSDTTGQIPSR 184 Query: 884 LQQWDHNILAKIAEFT 837 LQQWDHNIL KIAEFT Sbjct: 185 LQQWDHNILVKIAEFT 200 >gb|OEL27681.1| hypothetical protein BAE44_0011300 [Dichanthelium oligosanthes] Length = 369 Score = 138 bits (348), Expect = 8e-34 Identities = 64/76 (84%), Positives = 71/76 (93%) Frame = -1 Query: 1064 EVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQVPSR 885 E+EMA QDAM+VCNPD+K PF SIEDAV RLLPYHVV+D+EAEEDDR+LDSDTTGQ+PSR Sbjct: 139 EMEMALQDAMRVCNPDIKTPFQSIEDAVNRLLPYHVVADYEAEEDDRILDSDTTGQIPSR 198 Query: 884 LQQWDHNILAKIAEFT 837 LQQWDHNIL KIAEFT Sbjct: 199 LQQWDHNILVKIAEFT 214 >gb|ONM32300.1| DECUSSATE protein [Zea mays] Length = 393 Score = 139 bits (349), Expect = 1e-33 Identities = 65/76 (85%), Positives = 71/76 (93%) Frame = -1 Query: 1064 EVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQVPSR 885 E+EMA QDAM+VCNPDVK PF SIEDAV RLLPYHVV+D+EAEEDDR+LDSDTTGQ+PSR Sbjct: 162 EMEMALQDAMRVCNPDVKTPFQSIEDAVNRLLPYHVVADYEAEEDDRILDSDTTGQIPSR 221 Query: 884 LQQWDHNILAKIAEFT 837 LQQWDHNIL KIAEFT Sbjct: 222 LQQWDHNILVKIAEFT 237 >gb|KMZ67010.1| hypothetical protein ZOSMA_27G00570 [Zostera marina] Length = 398 Score = 138 bits (348), Expect = 1e-33 Identities = 64/80 (80%), Positives = 74/80 (92%) Frame = -1 Query: 1076 GNPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQ 897 G+ VEVEMA QDA KVCNPD+KRPF+S+EDAV RLLPYHVV+DFEAEEDDR+++SDTTGQ Sbjct: 161 GSQVEVEMAQQDAWKVCNPDIKRPFSSLEDAVNRLLPYHVVADFEAEEDDRMIESDTTGQ 220 Query: 896 VPSRLQQWDHNILAKIAEFT 837 V SRLQQWDH ILAK++EFT Sbjct: 221 VQSRLQQWDHTILAKLSEFT 240 >ref|XP_002443159.1| transcription factor SPT20 homolog [Sorghum bicolor] gb|OQU79087.1| hypothetical protein SORBI_3008G093200 [Sorghum bicolor] Length = 356 Score = 137 bits (345), Expect = 2e-33 Identities = 64/76 (84%), Positives = 70/76 (92%) Frame = -1 Query: 1064 EVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQVPSR 885 E+EMA QDAM+VCNPDVK PF SIED V RLLPYHVV+D+EAEEDDR+LDSDTTGQ+PSR Sbjct: 125 EMEMALQDAMRVCNPDVKTPFQSIEDVVNRLLPYHVVADYEAEEDDRILDSDTTGQIPSR 184 Query: 884 LQQWDHNILAKIAEFT 837 LQQWDHNIL KIAEFT Sbjct: 185 LQQWDHNILVKIAEFT 200 >ref|XP_020174598.1| uncharacterized protein LOC109760179 [Aegilops tauschii subsp. tauschii] Length = 348 Score = 137 bits (344), Expect = 2e-33 Identities = 63/76 (82%), Positives = 70/76 (92%) Frame = -1 Query: 1064 EVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQVPSR 885 EVEMA QDAM+VCNPD+K PF S+EDAV RLLPYHVV+D+EAEEDDR+LDSD TGQ+PSR Sbjct: 116 EVEMALQDAMRVCNPDIKTPFHSLEDAVSRLLPYHVVADYEAEEDDRILDSDATGQIPSR 175 Query: 884 LQQWDHNILAKIAEFT 837 LQQWDHNIL KIAEFT Sbjct: 176 LQQWDHNILVKIAEFT 191 >ref|XP_002319242.1| hypothetical protein POPTR_0013s07420g [Populus trichocarpa] gb|PNT07281.1| hypothetical protein POPTR_013G076800v3 [Populus trichocarpa] Length = 350 Score = 136 bits (343), Expect = 3e-33 Identities = 62/84 (73%), Positives = 75/84 (89%) Frame = -1 Query: 1088 VRQGGNPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSD 909 +R N VE++MA+QDA +VC+PD KRPF+S+EDA RLLPYHVV+D+EAEEDDR+LDSD Sbjct: 111 IRPQVNQVELQMAYQDAWRVCHPDFKRPFSSLEDACERLLPYHVVADYEAEEDDRILDSD 170 Query: 908 TTGQVPSRLQQWDHNILAKIAEFT 837 TTGQ+PSRLQQWDHNI AK+AEFT Sbjct: 171 TTGQMPSRLQQWDHNIAAKVAEFT 194 >emb|CBI26439.3| unnamed protein product, partial [Vitis vinifera] Length = 251 Score = 134 bits (336), Expect = 3e-33 Identities = 60/80 (75%), Positives = 73/80 (91%) Frame = -1 Query: 1076 GNPVEVEMAHQDAMKVCNPDVKRPFASIEDAVLRLLPYHVVSDFEAEEDDRVLDSDTTGQ 897 G+ VE++MA+QDA +VC+PD KRPF+S+EDA RLLPYHVV+D+EAEEDDR+LDSDTTGQ Sbjct: 4 GHQVELQMAYQDAWRVCHPDFKRPFSSLEDACERLLPYHVVADYEAEEDDRILDSDTTGQ 63 Query: 896 VPSRLQQWDHNILAKIAEFT 837 +PSR QQWDHNI AK+AEFT Sbjct: 64 MPSRSQQWDHNIAAKVAEFT 83 Score = 60.5 bits (145), Expect = 1e-06 Identities = 36/86 (41%), Positives = 50/86 (58%), Gaps = 1/86 (1%) Frame = -1 Query: 650 MRANAMGSHGDNHSGGQDVGP-EQGGNMEEMIHGWGXXXXXXNDGQRDDEEPSXXXXXXX 474 +RA+A+G G++ G D+ EQG N +EM++GWG + QRD++EPS Sbjct: 174 IRASALGPQGNDLPIGHDMAEQEQGVNPDEMMNGWGN------NTQRDEKEPSEDFLNDE 227 Query: 473 XXXXXXXDAGSQEEWQESGEFDLNTR 396 AG Q+EW+E GEFDLNTR Sbjct: 228 ETENGD--AGMQDEWREVGEFDLNTR 251