BLASTX nr result
ID: Zingiber23_contig00042702
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= Zingiber23_contig00042702 (466 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_002313947.2| hypothetical protein POPTR_0009s08500g [Popu... 119 4e-25 ref|XP_004136916.1| PREDICTED: transcription factor bHLH25-like ... 119 5e-25 gb|EXC03888.1| hypothetical protein L484_016092 [Morus notabilis] 117 1e-24 ref|XP_002300300.2| hypothetical protein POPTR_0001s29400g [Popu... 117 1e-24 gb|EMJ06603.1| hypothetical protein PRUPE_ppa007561mg [Prunus pe... 117 2e-24 ref|XP_002270448.2| PREDICTED: transcription factor bHLH25-like ... 117 2e-24 ref|XP_002528911.1| DNA binding protein, putative [Ricinus commu... 117 2e-24 emb|CAN67117.1| hypothetical protein VITISV_026466 [Vitis vinifera] 117 2e-24 ref|XP_006367079.1| PREDICTED: transcription factor bHLH25-like ... 115 5e-24 ref|XP_006594658.1| PREDICTED: transcription factor bHLH25-like ... 115 6e-24 ref|XP_003543116.2| PREDICTED: transcription factor bHLH25-like ... 115 6e-24 ref|XP_006404738.1| hypothetical protein EUTSA_v10000426mg [Eutr... 115 6e-24 ref|XP_004230658.1| PREDICTED: transcription factor bHLH25-like ... 115 6e-24 ref|XP_006594659.1| PREDICTED: transcription factor bHLH25-like ... 115 6e-24 gb|ABK28507.1| unknown [Arabidopsis thaliana] 115 6e-24 ref|NP_001077944.1| transcription factor bHLH18 [Arabidopsis tha... 115 6e-24 gb|AAC63586.1| putative bHLH transcription factor [Arabidopsis t... 115 6e-24 ref|NP_179860.2| transcription factor bHLH18 [Arabidopsis thalia... 115 6e-24 ref|XP_006466576.1| PREDICTED: transcription factor bHLH25-like ... 115 8e-24 ref|XP_006426181.1| hypothetical protein CICLE_v10027158mg [Citr... 115 8e-24 >ref|XP_002313947.2| hypothetical protein POPTR_0009s08500g [Populus trichocarpa] gi|550331323|gb|EEE87902.2| hypothetical protein POPTR_0009s08500g [Populus trichocarpa] Length = 337 Score = 119 bits (298), Expect = 4e-25 Identities = 58/80 (72%), Positives = 72/80 (90%) Frame = -2 Query: 243 LSQAQEHIIAERSRREKLNQKFIALSALIPGLKKADKASVLGDAVRHVKDLQEKVKALEE 64 LSQ+Q+HIIAER RREKL+Q+FIALSA++PGLKK DKASVLGDA++++K LQEKVK LEE Sbjct: 155 LSQSQDHIIAERKRREKLSQRFIALSAVVPGLKKMDKASVLGDAIKYLKQLQEKVKTLEE 214 Query: 63 QKMERTVESVVLIKKSHISV 4 Q +T+ESVV++KKSHI V Sbjct: 215 QTKRKTMESVVIVKKSHIYV 234 >ref|XP_004136916.1| PREDICTED: transcription factor bHLH25-like [Cucumis sativus] gi|449511253|ref|XP_004163905.1| PREDICTED: transcription factor bHLH25-like [Cucumis sativus] Length = 340 Score = 119 bits (297), Expect = 5e-25 Identities = 63/139 (45%), Positives = 90/139 (64%), Gaps = 13/139 (9%) Frame = -2 Query: 387 NLGSNNQMEQLDHG-------------SCSSSGMVSLDSLTNPSKGVAFVKNSPKEEQKM 247 ++ ++N M Q+D + S ++S DSL + S + + + Sbjct: 105 SVSASNYMNQMDFSRPKEEVVCPQSISNLPSDMLISQDSLAHQSHTTKSNRGTRSPSRNS 164 Query: 246 VLSQAQEHIIAERSRREKLNQKFIALSALIPGLKKADKASVLGDAVRHVKDLQEKVKALE 67 + QAQ+HI+AER RREKL+Q+FIALSA++PGLKK DKASVLGDA++++K LQEKVK LE Sbjct: 165 RIPQAQDHILAERRRREKLSQRFIALSAIVPGLKKMDKASVLGDAIKYLKQLQEKVKILE 224 Query: 66 EQKMERTVESVVLIKKSHI 10 EQ + +ESVV +KKSH+ Sbjct: 225 EQTRRKDIESVVFVKKSHV 243 >gb|EXC03888.1| hypothetical protein L484_016092 [Morus notabilis] Length = 382 Score = 117 bits (294), Expect = 1e-24 Identities = 74/159 (46%), Positives = 99/159 (62%), Gaps = 9/159 (5%) Frame = -2 Query: 450 SFHGSDYGSGVRVQENTSWNFNLGSNNQME---QLDHGSCSSSGMVSLDSLTNPSKGVAF 280 SF S+ S R Q + NF + E Q+DH SS + S+ N + Sbjct: 108 SFENSN-SSPTRPQRHVYGNFESTLRPKKEAASQIDHVPYFSSVVTKDHSVLNGDNIDSA 166 Query: 279 VKNSPKEEQKMVLSQ------AQEHIIAERSRREKLNQKFIALSALIPGLKKADKASVLG 118 K S K ++ S AQEHI+AER RREKL+Q+FIALSA++PGLKK DKASVLG Sbjct: 167 PKTSIKGTKRSFSSMTRTPSHAQEHIMAERRRREKLSQRFIALSAILPGLKKMDKASVLG 226 Query: 117 DAVRHVKDLQEKVKALEEQKMERTVESVVLIKKSHISVT 1 DA+++VK+LQE++K LEEQ +RTVESVV +KKS + ++ Sbjct: 227 DAIKYVKELQERMKTLEEQNKKRTVESVVFVKKSQLMIS 265 >ref|XP_002300300.2| hypothetical protein POPTR_0001s29400g [Populus trichocarpa] gi|550348472|gb|EEE85105.2| hypothetical protein POPTR_0001s29400g [Populus trichocarpa] Length = 330 Score = 117 bits (294), Expect = 1e-24 Identities = 56/80 (70%), Positives = 72/80 (90%) Frame = -2 Query: 243 LSQAQEHIIAERSRREKLNQKFIALSALIPGLKKADKASVLGDAVRHVKDLQEKVKALEE 64 LSQ+Q+HIIAER RREKL+Q+FIALSA++PGLKK DKASVLGDA++++K LQE+VK LEE Sbjct: 148 LSQSQDHIIAERKRREKLSQRFIALSAVVPGLKKMDKASVLGDAIKYLKQLQERVKTLEE 207 Query: 63 QKMERTVESVVLIKKSHISV 4 Q +T+ESVV++KKSH+ V Sbjct: 208 QTKRKTMESVVIVKKSHVYV 227 >gb|EMJ06603.1| hypothetical protein PRUPE_ppa007561mg [Prunus persica] Length = 363 Score = 117 bits (293), Expect = 2e-24 Identities = 57/78 (73%), Positives = 69/78 (88%) Frame = -2 Query: 240 SQAQEHIIAERSRREKLNQKFIALSALIPGLKKADKASVLGDAVRHVKDLQEKVKALEEQ 61 S AQEHI+AER RREKL+++FIALSA++PGLKK DKASVLGDA++HVK LQE+VK LEEQ Sbjct: 182 SHAQEHIMAERKRREKLSERFIALSAIVPGLKKMDKASVLGDAIKHVKQLQERVKVLEEQ 241 Query: 60 KMERTVESVVLIKKSHIS 7 +RTVESVV +KKS +S Sbjct: 242 TKKRTVESVVFVKKSQLS 259 >ref|XP_002270448.2| PREDICTED: transcription factor bHLH25-like [Vitis vinifera] Length = 365 Score = 117 bits (292), Expect = 2e-24 Identities = 65/123 (52%), Positives = 84/123 (68%), Gaps = 4/123 (3%) Frame = -2 Query: 363 EQLDHGSCSSSGMVSLDSLTN----PSKGVAFVKNSPKEEQKMVLSQAQEHIIAERSRRE 196 E + HG+ + +S S N P + +P + S AQ+HI+AER RRE Sbjct: 143 EVISHGNVNFPSQISKGSYENQNYVPKANQGTKRVTP---MRRTSSHAQDHIMAERKRRE 199 Query: 195 KLNQKFIALSALIPGLKKADKASVLGDAVRHVKDLQEKVKALEEQKMERTVESVVLIKKS 16 KL+Q+FIALSAL+PGLKK DKASVLGDA++++K LQE+VK+LEEQ E TVESVV IKKS Sbjct: 200 KLSQRFIALSALVPGLKKMDKASVLGDAIKYLKQLQERVKSLEEQMKETTVESVVFIKKS 259 Query: 15 HIS 7 +S Sbjct: 260 QLS 262 >ref|XP_002528911.1| DNA binding protein, putative [Ricinus communis] gi|223531665|gb|EEF33491.1| DNA binding protein, putative [Ricinus communis] Length = 331 Score = 117 bits (292), Expect = 2e-24 Identities = 56/78 (71%), Positives = 70/78 (89%) Frame = -2 Query: 240 SQAQEHIIAERSRREKLNQKFIALSALIPGLKKADKASVLGDAVRHVKDLQEKVKALEEQ 61 S AQ+HI+AER RREKL+Q+FIALSAL+PGLKK DKASVLGDA++HVK LQE+VK LE+Q Sbjct: 151 SHAQDHILAERKRREKLSQRFIALSALVPGLKKMDKASVLGDAIKHVKQLQERVKMLEDQ 210 Query: 60 KMERTVESVVLIKKSHIS 7 +RT+ES++LIKKS +S Sbjct: 211 TKKRTMESIILIKKSQLS 228 >emb|CAN67117.1| hypothetical protein VITISV_026466 [Vitis vinifera] Length = 365 Score = 117 bits (292), Expect = 2e-24 Identities = 65/123 (52%), Positives = 84/123 (68%), Gaps = 4/123 (3%) Frame = -2 Query: 363 EQLDHGSCSSSGMVSLDSLTN----PSKGVAFVKNSPKEEQKMVLSQAQEHIIAERSRRE 196 E + HG+ + +S S N P + +P + S AQ+HI+AER RRE Sbjct: 143 EVISHGNVNFPSQISKGSYENQNYVPKANQGTKRVTP---MRRTSSHAQDHIMAERKRRE 199 Query: 195 KLNQKFIALSALIPGLKKADKASVLGDAVRHVKDLQEKVKALEEQKMERTVESVVLIKKS 16 KL+Q+FIALSAL+PGLKK DKASVLGDA++++K LQE+VK+LEEQ E TVESVV IKKS Sbjct: 200 KLSQRFIALSALVPGLKKMDKASVLGDAIKYLKQLQERVKSLEEQMKETTVESVVFIKKS 259 Query: 15 HIS 7 +S Sbjct: 260 QLS 262 >ref|XP_006367079.1| PREDICTED: transcription factor bHLH25-like [Solanum tuberosum] Length = 353 Score = 115 bits (289), Expect = 5e-24 Identities = 69/129 (53%), Positives = 89/129 (68%), Gaps = 6/129 (4%) Frame = -2 Query: 387 NLGSNNQMEQLDHGSCSSSGMVSLDSLTNPSKGV-AFVKNSPKEEQKMV-----LSQAQE 226 NL S++ DH C ++ + DS N + + NS + K V L+QAQ+ Sbjct: 117 NLSSSSISFAADH--CHNNMVCHQDSFANQNYMMFKAANNSCQGSNKSVSTNGKLTQAQD 174 Query: 225 HIIAERSRREKLNQKFIALSALIPGLKKADKASVLGDAVRHVKDLQEKVKALEEQKMERT 46 HIIAER RREKL+Q+FIALSALIPGLKK DKASVLGDA++++K LQEKVK LEEQ +++ Sbjct: 175 HIIAERKRREKLSQRFIALSALIPGLKKMDKASVLGDAIKYLKQLQEKVKTLEEQTKKKS 234 Query: 45 VESVVLIKK 19 VESVV +KK Sbjct: 235 VESVVFVKK 243 >ref|XP_006594658.1| PREDICTED: transcription factor bHLH25-like isoform X2 [Glycine max] Length = 355 Score = 115 bits (288), Expect = 6e-24 Identities = 62/108 (57%), Positives = 83/108 (76%), Gaps = 1/108 (0%) Frame = -2 Query: 327 MVSLDSLTNPSKGVAFVKNSPKEEQKMVLSQAQEHIIAERSRREKLNQKFIALSALIPGL 148 ++S +L N + + + K E + LSQ Q+HIIAER RREKL+Q+FIALSAL+PGL Sbjct: 146 LISQGNLGNQNYLFKASQEAKKIETRPKLSQPQDHIIAERKRREKLSQRFIALSALVPGL 205 Query: 147 KKADKASVLGDAVRHVKDLQEKVKAL-EEQKMERTVESVVLIKKSHIS 7 KK DKASVLG+A++++K +QEKV AL EEQ +RTVESVV++KKS +S Sbjct: 206 KKMDKASVLGEAIKYLKQMQEKVSALEEEQNRKRTVESVVIVKKSRLS 253 >ref|XP_003543116.2| PREDICTED: transcription factor bHLH25-like isoform X1 [Glycine max] Length = 376 Score = 115 bits (288), Expect = 6e-24 Identities = 62/108 (57%), Positives = 83/108 (76%), Gaps = 1/108 (0%) Frame = -2 Query: 327 MVSLDSLTNPSKGVAFVKNSPKEEQKMVLSQAQEHIIAERSRREKLNQKFIALSALIPGL 148 ++S +L N + + + K E + LSQ Q+HIIAER RREKL+Q+FIALSAL+PGL Sbjct: 167 LISQGNLGNQNYLFKASQEAKKIETRPKLSQPQDHIIAERKRREKLSQRFIALSALVPGL 226 Query: 147 KKADKASVLGDAVRHVKDLQEKVKAL-EEQKMERTVESVVLIKKSHIS 7 KK DKASVLG+A++++K +QEKV AL EEQ +RTVESVV++KKS +S Sbjct: 227 KKMDKASVLGEAIKYLKQMQEKVSALEEEQNRKRTVESVVIVKKSRLS 274 >ref|XP_006404738.1| hypothetical protein EUTSA_v10000426mg [Eutrema salsugineum] gi|557105866|gb|ESQ46191.1| hypothetical protein EUTSA_v10000426mg [Eutrema salsugineum] Length = 298 Score = 115 bits (288), Expect = 6e-24 Identities = 55/75 (73%), Positives = 68/75 (90%) Frame = -2 Query: 240 SQAQEHIIAERSRREKLNQKFIALSALIPGLKKADKASVLGDAVRHVKDLQEKVKALEEQ 61 S +Q+HI+AER RREKL+Q+F+ALSALIPGLKK DKASVLGDA++H+K+LQE VK EEQ Sbjct: 116 SNSQDHILAERKRREKLSQRFVALSALIPGLKKMDKASVLGDAIKHIKNLQESVKEFEEQ 175 Query: 60 KMERTVESVVLIKKS 16 K ERT+ES+VL+KKS Sbjct: 176 KKERTMESMVLVKKS 190 >ref|XP_004230658.1| PREDICTED: transcription factor bHLH25-like [Solanum lycopersicum] Length = 351 Score = 115 bits (288), Expect = 6e-24 Identities = 69/128 (53%), Positives = 89/128 (69%), Gaps = 5/128 (3%) Frame = -2 Query: 387 NLGSNNQMEQLDHGSCSSSGMVSLDSLTNPSKGVAFVKNSPKEEQKMV-----LSQAQEH 223 NL S++ DH C ++ + DS N + + F S + K V L+QAQ+H Sbjct: 117 NLSSSSITFAADH--CHNNMVCHQDSFANQNY-MMFKAASCQGANKSVSTNGKLTQAQDH 173 Query: 222 IIAERSRREKLNQKFIALSALIPGLKKADKASVLGDAVRHVKDLQEKVKALEEQKMERTV 43 IIAER RREKL+Q+FIALSALIPGLKK DKASVLGDA++++K LQEKVK LEEQ +++V Sbjct: 174 IIAERKRREKLSQRFIALSALIPGLKKMDKASVLGDAIKYLKQLQEKVKTLEEQTKKKSV 233 Query: 42 ESVVLIKK 19 ESVV +KK Sbjct: 234 ESVVFVKK 241 >ref|XP_006594659.1| PREDICTED: transcription factor bHLH25-like isoform X3 [Glycine max] Length = 348 Score = 115 bits (288), Expect = 6e-24 Identities = 62/108 (57%), Positives = 83/108 (76%), Gaps = 1/108 (0%) Frame = -2 Query: 327 MVSLDSLTNPSKGVAFVKNSPKEEQKMVLSQAQEHIIAERSRREKLNQKFIALSALIPGL 148 ++S +L N + + + K E + LSQ Q+HIIAER RREKL+Q+FIALSAL+PGL Sbjct: 139 LISQGNLGNQNYLFKASQEAKKIETRPKLSQPQDHIIAERKRREKLSQRFIALSALVPGL 198 Query: 147 KKADKASVLGDAVRHVKDLQEKVKAL-EEQKMERTVESVVLIKKSHIS 7 KK DKASVLG+A++++K +QEKV AL EEQ +RTVESVV++KKS +S Sbjct: 199 KKMDKASVLGEAIKYLKQMQEKVSALEEEQNRKRTVESVVIVKKSRLS 246 >gb|ABK28507.1| unknown [Arabidopsis thaliana] Length = 306 Score = 115 bits (288), Expect = 6e-24 Identities = 60/97 (61%), Positives = 73/97 (75%), Gaps = 2/97 (2%) Frame = -2 Query: 294 KGVAFVKNSPKEEQKMVLSQ--AQEHIIAERSRREKLNQKFIALSALIPGLKKADKASVL 121 K + K Q + SQ AQ+HI+AER RREKL Q+F+ALSALIPGLKK DKASVL Sbjct: 102 KKAELIIRGTKRAQSLTRSQSNAQDHILAERKRREKLTQRFVALSALIPGLKKMDKASVL 161 Query: 120 GDAVRHVKDLQEKVKALEEQKMERTVESVVLIKKSHI 10 GDA++H+K LQE VK EEQK E+T+ESVVL+KKS + Sbjct: 162 GDAIKHIKYLQESVKEYEEQKKEKTMESVVLVKKSSL 198 >ref|NP_001077944.1| transcription factor bHLH18 [Arabidopsis thaliana] gi|122237712|sp|Q1PF17.1|BH018_ARATH RecName: Full=Transcription factor bHLH18; AltName: Full=Basic helix-loop-helix protein 18; Short=AtbHLH18; Short=bHLH 18; AltName: Full=Transcription factor EN 28; AltName: Full=bHLH transcription factor bHLH018 gi|91806240|gb|ABE65848.1| basic helix-loop-helix family protein [Arabidopsis thaliana] gi|330252256|gb|AEC07350.1| transcription factor bHLH18 [Arabidopsis thaliana] Length = 305 Score = 115 bits (288), Expect = 6e-24 Identities = 60/97 (61%), Positives = 73/97 (75%), Gaps = 2/97 (2%) Frame = -2 Query: 294 KGVAFVKNSPKEEQKMVLSQ--AQEHIIAERSRREKLNQKFIALSALIPGLKKADKASVL 121 K + K Q + SQ AQ+HI+AER RREKL Q+F+ALSALIPGLKK DKASVL Sbjct: 102 KKAELIIRGTKRAQSLTRSQSNAQDHILAERKRREKLTQRFVALSALIPGLKKMDKASVL 161 Query: 120 GDAVRHVKDLQEKVKALEEQKMERTVESVVLIKKSHI 10 GDA++H+K LQE VK EEQK E+T+ESVVL+KKS + Sbjct: 162 GDAIKHIKYLQESVKEYEEQKKEKTMESVVLVKKSSL 198 >gb|AAC63586.1| putative bHLH transcription factor [Arabidopsis thaliana] gi|20197757|gb|AAM15234.1| putative bHLH transcription factor [Arabidopsis thaliana] Length = 288 Score = 115 bits (288), Expect = 6e-24 Identities = 60/97 (61%), Positives = 73/97 (75%), Gaps = 2/97 (2%) Frame = -2 Query: 294 KGVAFVKNSPKEEQKMVLSQ--AQEHIIAERSRREKLNQKFIALSALIPGLKKADKASVL 121 K + K Q + SQ AQ+HI+AER RREKL Q+F+ALSALIPGLKK DKASVL Sbjct: 102 KKAELIIRGTKRAQSLTRSQSNAQDHILAERKRREKLTQRFVALSALIPGLKKMDKASVL 161 Query: 120 GDAVRHVKDLQEKVKALEEQKMERTVESVVLIKKSHI 10 GDA++H+K LQE VK EEQK E+T+ESVVL+KKS + Sbjct: 162 GDAIKHIKYLQESVKEYEEQKKEKTMESVVLVKKSSL 198 >ref|NP_179860.2| transcription factor bHLH18 [Arabidopsis thaliana] gi|20127014|gb|AAM10934.1| putative bHLH transcription factor [Arabidopsis thaliana] gi|330252255|gb|AEC07349.1| transcription factor bHLH18 [Arabidopsis thaliana] Length = 304 Score = 115 bits (288), Expect = 6e-24 Identities = 60/97 (61%), Positives = 73/97 (75%), Gaps = 2/97 (2%) Frame = -2 Query: 294 KGVAFVKNSPKEEQKMVLSQ--AQEHIIAERSRREKLNQKFIALSALIPGLKKADKASVL 121 K + K Q + SQ AQ+HI+AER RREKL Q+F+ALSALIPGLKK DKASVL Sbjct: 102 KKAELIIRGTKRAQSLTRSQSNAQDHILAERKRREKLTQRFVALSALIPGLKKMDKASVL 161 Query: 120 GDAVRHVKDLQEKVKALEEQKMERTVESVVLIKKSHI 10 GDA++H+K LQE VK EEQK E+T+ESVVL+KKS + Sbjct: 162 GDAIKHIKYLQESVKEYEEQKKEKTMESVVLVKKSSL 198 >ref|XP_006466576.1| PREDICTED: transcription factor bHLH25-like [Citrus sinensis] Length = 369 Score = 115 bits (287), Expect = 8e-24 Identities = 63/110 (57%), Positives = 83/110 (75%) Frame = -2 Query: 330 GMVSLDSLTNPSKGVAFVKNSPKEEQKMVLSQAQEHIIAERSRREKLNQKFIALSALIPG 151 G + +++ NP+ G K S + L AQ+HI+AER RREKL+Q+FIALSA++PG Sbjct: 160 GSQNYETVINPNHGT---KRSYPVTRTPAL--AQDHIMAERKRREKLSQRFIALSAILPG 214 Query: 150 LKKADKASVLGDAVRHVKDLQEKVKALEEQKMERTVESVVLIKKSHISVT 1 LKK DKASVLGDA+R+VK+LQE+VK LEEQ +RTVESVV +KKS + V+ Sbjct: 215 LKKMDKASVLGDAIRYVKELQERVKVLEEQTKKRTVESVVYVKKSQLVVS 264 >ref|XP_006426181.1| hypothetical protein CICLE_v10027158mg [Citrus clementina] gi|557528171|gb|ESR39421.1| hypothetical protein CICLE_v10027158mg [Citrus clementina] Length = 380 Score = 115 bits (287), Expect = 8e-24 Identities = 63/110 (57%), Positives = 83/110 (75%) Frame = -2 Query: 330 GMVSLDSLTNPSKGVAFVKNSPKEEQKMVLSQAQEHIIAERSRREKLNQKFIALSALIPG 151 G + +++ NP+ G K S + L AQ+HI+AER RREKL+Q+FIALSA++PG Sbjct: 157 GSPNYETVINPNHGT---KRSYPVTRTPAL--AQDHIMAERKRREKLSQRFIALSAILPG 211 Query: 150 LKKADKASVLGDAVRHVKDLQEKVKALEEQKMERTVESVVLIKKSHISVT 1 LKK DKASVLGDA+R+VK+LQE+VK LEEQ +RTVESVV +KKS + V+ Sbjct: 212 LKKMDKASVLGDAIRYVKELQERVKVLEEQTKKRTVESVVYVKKSQLVVS 261