BLASTX nr result
ID: Astragalus23_contig00032187
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= Astragalus23_contig00032187 (340 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 dbj|GAU25035.1| hypothetical protein TSUD_155090 [Trifolium subt... 176 9e-49 gb|PNX92911.1| Ty3/gypsy retrotransposon protein [Trifolium prat... 168 5e-46 gb|PNY17651.1| retrotransposon-related protein [Trifolium pratense] 167 7e-46 gb|PNY17582.1| Ty3/gypsy retrotransposon protein, partial [Trifo... 167 1e-45 dbj|GAU12723.1| hypothetical protein TSUD_122150 [Trifolium subt... 165 6e-45 gb|ADF46074.1| reverse transcriptase, partial [Eleocharis quinqu... 150 1e-44 dbj|GAU39660.1| hypothetical protein TSUD_60270 [Trifolium subte... 164 2e-44 gb|PNX93486.1| retrotransposon-related protein, partial [Trifoli... 164 2e-44 gb|ADF46084.1| reverse transcriptase, partial [Eleocharis quinqu... 150 2e-44 gb|ADF46081.1| reverse transcriptase, partial [Eleocharis quinqu... 150 2e-44 gb|ADF46080.1| reverse transcriptase, partial [Eleocharis quinqu... 150 2e-44 gb|ADF46079.1| reverse transcriptase, partial [Eleocharis quinqu... 150 2e-44 gb|ADF46078.1| reverse transcriptase, partial [Eleocharis quinqu... 150 2e-44 gb|ADF46076.1| reverse transcriptase, partial [Eleocharis quinqu... 150 2e-44 gb|ADF46075.1| reverse transcriptase, partial [Eleocharis quinqu... 150 2e-44 gb|ADF46077.1| reverse transcriptase, partial [Eleocharis quinqu... 150 2e-44 gb|PNX92532.1| retrotransposon-related protein [Trifolium pratense] 163 3e-44 dbj|GAU32562.1| hypothetical protein TSUD_218200 [Trifolium subt... 162 4e-44 gb|PNX92266.1| retrotransposon-related protein [Trifolium pratense] 162 6e-44 gb|PNY17729.1| retrotransposon-related protein [Trifolium pratense] 162 8e-44 >dbj|GAU25035.1| hypothetical protein TSUD_155090 [Trifolium subterraneum] Length = 1326 Score = 176 bits (445), Expect = 9e-49 Identities = 82/105 (78%), Positives = 95/105 (90%), Gaps = 1/105 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 LMDELGGA +FSKLDM+SGYHQ+RM GEE KTAFKTHS H+EYLVMPFGL APA+FQA Sbjct: 532 LMDELGGASIFSKLDMKSGYHQLRMATGEEPKTAFKTHSGHFEYLVMPFGLTNAPASFQA 591 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQE 312 LMNHIFKPFLRKFVI+FFDDILVYS++LSDH+ HL L+F T+R++ Sbjct: 592 LMNHIFKPFLRKFVIVFFDDILVYSQSLSDHITHLELIFRTIREQ 636 >gb|PNX92911.1| Ty3/gypsy retrotransposon protein [Trifolium pratense] Length = 1478 Score = 168 bits (425), Expect = 5e-46 Identities = 79/103 (76%), Positives = 92/103 (89%), Gaps = 1/103 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 LMDELGG+ VFSKLD+RSGYHQ+RM GEE KTAFKTHS HYEYLVMPFGL APA+FQ+ Sbjct: 656 LMDELGGSMVFSKLDLRSGYHQLRMAQGEEYKTAFKTHSGHYEYLVMPFGLTNAPASFQS 715 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVR 306 LMNH+F+PFLRKFVIIFFDD+L+YSK+L DH+ HL ++F TVR Sbjct: 716 LMNHVFQPFLRKFVIIFFDDLLIYSKSLEDHVCHLRMIFQTVR 758 >gb|PNY17651.1| retrotransposon-related protein [Trifolium pratense] Length = 1478 Score = 167 bits (424), Expect = 7e-46 Identities = 78/106 (73%), Positives = 92/106 (86%), Gaps = 1/106 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 LMDELGGA +FSKLDMRSGYHQ+RM G+E KTAFKTHS H+EYLVMPFGL APA+FQA Sbjct: 656 LMDELGGASIFSKLDMRSGYHQLRMAKGDEHKTAFKTHSGHFEYLVMPFGLTNAPASFQA 715 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQEL 315 LMNHIFKPFLRKFVI+FFDDIL+YS ++ H+ HL+ VF T+R+ + Sbjct: 716 LMNHIFKPFLRKFVIVFFDDILIYSSSMDQHVSHLAQVFLTIREHM 761 >gb|PNY17582.1| Ty3/gypsy retrotransposon protein, partial [Trifolium pratense] Length = 1251 Score = 167 bits (423), Expect = 1e-45 Identities = 80/104 (76%), Positives = 90/104 (86%), Gaps = 1/104 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 LMDELGGA +FSKLDMRSGYHQ+RM GEE KTAFKTHS H+EYLVMPFGL APA+FQA Sbjct: 453 LMDELGGASIFSKLDMRSGYHQLRMAIGEEHKTAFKTHSGHFEYLVMPFGLTNAPASFQA 512 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ 309 MNHIFKPFLRKFVIIFFDDIL+YS ++ HL HL+ VF T+R+ Sbjct: 513 FMNHIFKPFLRKFVIIFFDDILIYSSSMDQHLSHLTQVFLTIRE 556 >dbj|GAU12723.1| hypothetical protein TSUD_122150 [Trifolium subterraneum] Length = 1492 Score = 165 bits (417), Expect = 6e-45 Identities = 77/103 (74%), Positives = 91/103 (88%), Gaps = 1/103 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DELGG+ +FSKLDM+SGYHQ+RM PGEE KTAFKTHS HYEYLVMPFGL APA+FQA Sbjct: 660 LLDELGGSSIFSKLDMKSGYHQLRMAPGEEHKTAFKTHSGHYEYLVMPFGLTNAPASFQA 719 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVR 306 LMNH+F P+LRKFVIIFFDDILVYS+ +DH HL++VF T++ Sbjct: 720 LMNHVFAPYLRKFVIIFFDDILVYSQCSADHEIHLAIVFQTIK 762 >gb|ADF46074.1| reverse transcriptase, partial [Eleocharis quinqueflora] Length = 143 Score = 150 bits (380), Expect = 1e-44 Identities = 68/104 (65%), Positives = 88/104 (84%), Gaps = 1/104 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL G+K+FSK+D+RSGYHQ+RM P + KTAF+TH HYEY VMPFGL APATFQ+ Sbjct: 26 LLDELHGSKIFSKIDLRSGYHQIRMSPPDIMKTAFRTHEGHYEYQVMPFGLTNAPATFQS 85 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ 309 LMN IFKP+LRKF+++FFDDILVYS++LS+H EHL++ +R+ Sbjct: 86 LMNQIFKPYLRKFILVFFDDILVYSRSLSEHAEHLAIALEELRR 129 >dbj|GAU39660.1| hypothetical protein TSUD_60270 [Trifolium subterraneum] Length = 1128 Score = 164 bits (414), Expect = 2e-44 Identities = 80/113 (70%), Positives = 93/113 (82%), Gaps = 2/113 (1%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL GA +FSKLD+RSGYHQ+R+ GEE KTAFKTHS HYEYLVMPFG APA+FQA Sbjct: 337 LLDELSGASIFSKLDLRSGYHQLRIATGEELKTAFKTHSGHYEYLVMPFGFTNAPASFQA 396 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVR-QELFSEQGQ 333 LMNHIFKPFLRKFVIIFFDD+L+YS+ L +H HL L+F+TVR LF Q + Sbjct: 397 LMNHIFKPFLRKFVIIFFDDLLIYSRCLDEHENHLRLIFDTVRNNNLFLNQNK 449 >gb|PNX93486.1| retrotransposon-related protein, partial [Trifolium pratense] Length = 1414 Score = 164 bits (414), Expect = 2e-44 Identities = 78/111 (70%), Positives = 93/111 (83%), Gaps = 2/111 (1%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL G+ +FSKLD++SGYHQ+RM GEE KTAFKTHS HYEYLVMPFGL APA+FQA Sbjct: 647 LLDELSGSSIFSKLDLKSGYHQLRMAKGEEYKTAFKTHSGHYEYLVMPFGLTNAPASFQA 706 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVR-QELFSEQ 327 LMNH+FKPFLRKFVIIFFDD+L+YSK+L +H EHL+ +F +R LF Q Sbjct: 707 LMNHLFKPFLRKFVIIFFDDLLIYSKSLQEHTEHLNSIFQLIRHNNLFLNQ 757 >gb|ADF46084.1| reverse transcriptase, partial [Eleocharis quinqueflora] gb|ADF46085.1| reverse transcriptase, partial [Eleocharis quinqueflora] gb|ADF46087.1| reverse transcriptase, partial [Eleocharis quinqueflora] Length = 143 Score = 150 bits (379), Expect = 2e-44 Identities = 68/104 (65%), Positives = 88/104 (84%), Gaps = 1/104 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL G+K+FSK+D+RSGYHQ+RM P + KTAF+TH HYEY VMPFGL APATFQ+ Sbjct: 26 LLDELHGSKIFSKIDLRSGYHQIRMSPPDIMKTAFRTHEGHYEYQVMPFGLTNAPATFQS 85 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ 309 LMN IFKP+LRKF+++FFDDILVYS++LS+H EHL++ +R+ Sbjct: 86 LMNQIFKPYLRKFILVFFDDILVYSQSLSEHAEHLAIALEELRR 129 >gb|ADF46081.1| reverse transcriptase, partial [Eleocharis quinqueflora] gb|ADF46082.1| reverse transcriptase, partial [Eleocharis quinqueflora] Length = 143 Score = 150 bits (379), Expect = 2e-44 Identities = 68/104 (65%), Positives = 88/104 (84%), Gaps = 1/104 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL G+K+FSK+D+RSGYHQ+RM P + KTAF+TH HYEY VMPFGL APATFQ+ Sbjct: 26 LLDELHGSKIFSKIDLRSGYHQIRMSPPDIMKTAFRTHEGHYEYQVMPFGLTNAPATFQS 85 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ 309 LMN IFKP+LRKF+++FFDDILVYS++LS+H EHL++ +R+ Sbjct: 86 LMNQIFKPYLRKFILVFFDDILVYSQSLSEHAEHLAIALEELRR 129 >gb|ADF46080.1| reverse transcriptase, partial [Eleocharis quinqueflora] gb|ADF46086.1| reverse transcriptase, partial [Eleocharis quinqueflora] Length = 143 Score = 150 bits (379), Expect = 2e-44 Identities = 68/104 (65%), Positives = 88/104 (84%), Gaps = 1/104 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL G+K+FSK+D+RSGYHQ+RM P + KTAF+TH HYEY VMPFGL APATFQ+ Sbjct: 26 LLDELHGSKIFSKIDLRSGYHQIRMSPPDIMKTAFRTHEGHYEYQVMPFGLTNAPATFQS 85 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ 309 LMN IFKP+LRKF+++FFDDILVYS++LS+H EHL++ +R+ Sbjct: 86 LMNQIFKPYLRKFILVFFDDILVYSQSLSEHAEHLAIALEELRR 129 >gb|ADF46079.1| reverse transcriptase, partial [Eleocharis quinqueflora] Length = 143 Score = 150 bits (379), Expect = 2e-44 Identities = 68/104 (65%), Positives = 88/104 (84%), Gaps = 1/104 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL G+K+FSK+D+RSGYHQ+RM P + KTAF+TH HYEY VMPFGL APATFQ+ Sbjct: 26 LLDELHGSKIFSKIDLRSGYHQIRMSPPDIMKTAFRTHEGHYEYQVMPFGLTNAPATFQS 85 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ 309 LMN IFKP+LRKF+++FFDDILVYS++LS+H EHL++ +R+ Sbjct: 86 LMNQIFKPYLRKFILVFFDDILVYSQSLSEHAEHLAIALEELRR 129 >gb|ADF46078.1| reverse transcriptase, partial [Eleocharis quinqueflora] Length = 143 Score = 150 bits (379), Expect = 2e-44 Identities = 68/104 (65%), Positives = 88/104 (84%), Gaps = 1/104 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL G+K+FSK+D+RSGYHQ+RM P + KTAF+TH HYEY VMPFGL APATFQ+ Sbjct: 26 LLDELHGSKIFSKIDLRSGYHQIRMSPPDIMKTAFRTHEGHYEYQVMPFGLTNAPATFQS 85 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ 309 LMN IFKP+LRKF+++FFDDILVYS++LS+H EHL++ +R+ Sbjct: 86 LMNQIFKPYLRKFILVFFDDILVYSQSLSEHAEHLAIALEELRR 129 >gb|ADF46076.1| reverse transcriptase, partial [Eleocharis quinqueflora] Length = 143 Score = 150 bits (379), Expect = 2e-44 Identities = 68/104 (65%), Positives = 88/104 (84%), Gaps = 1/104 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL G+K+FSK+D+RSGYHQ+RM P + KTAF+TH HYEY VMPFGL APATFQ+ Sbjct: 26 LLDELHGSKIFSKIDLRSGYHQIRMSPPDIMKTAFRTHEGHYEYQVMPFGLTNAPATFQS 85 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ 309 LMN IFKP+LRKF+++FFDDILVYS++LS+H EHL++ +R+ Sbjct: 86 LMNQIFKPYLRKFILVFFDDILVYSQSLSEHAEHLAIALEELRR 129 >gb|ADF46075.1| reverse transcriptase, partial [Eleocharis quinqueflora] gb|ADF46088.1| reverse transcriptase, partial [Eleocharis quinqueflora] Length = 143 Score = 150 bits (379), Expect = 2e-44 Identities = 68/104 (65%), Positives = 88/104 (84%), Gaps = 1/104 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL G+K+FSK+D+RSGYHQ+RM P + KTAF+TH HYEY VMPFGL APATFQ+ Sbjct: 26 LLDELHGSKIFSKIDLRSGYHQIRMSPPDIMKTAFRTHEGHYEYQVMPFGLTNAPATFQS 85 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ 309 LMN IFKP+LRKF+++FFDDILVYS++LS+H EHL++ +R+ Sbjct: 86 LMNQIFKPYLRKFILVFFDDILVYSQSLSEHAEHLAIALEELRR 129 >gb|ADF46077.1| reverse transcriptase, partial [Eleocharis quinqueflora] Length = 143 Score = 150 bits (378), Expect = 2e-44 Identities = 68/104 (65%), Positives = 88/104 (84%), Gaps = 1/104 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL G+K+FSK+D+RSGYHQ+RM P + KTAF+TH HYEY VMPFGL APATFQ+ Sbjct: 26 LLDELHGSKIFSKVDLRSGYHQIRMSPPDIMKTAFRTHEGHYEYQVMPFGLTNAPATFQS 85 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ 309 LMN IFKP+LRKF+++FFDDILVYS++LS+H EHL++ +R+ Sbjct: 86 LMNQIFKPYLRKFILVFFDDILVYSQSLSEHAEHLAIALEELRR 129 >gb|PNX92532.1| retrotransposon-related protein [Trifolium pratense] Length = 1472 Score = 163 bits (412), Expect = 3e-44 Identities = 77/103 (74%), Positives = 91/103 (88%), Gaps = 1/103 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 LMDEL G+ VFSKLDMRSGYHQ+RM GEE KTAFKTHS HYEYLVMPFGL APA+FQ+ Sbjct: 650 LMDELCGSVVFSKLDMRSGYHQLRMAKGEEHKTAFKTHSGHYEYLVMPFGLTNAPASFQS 709 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVR 306 LMN +F+PFLRKFVIIFFDD+L+YS+++ DHL HL L+F+T+R Sbjct: 710 LMNQVFQPFLRKFVIIFFDDLLIYSQSIEDHLVHLRLIFHTIR 752 >dbj|GAU32562.1| hypothetical protein TSUD_218200 [Trifolium subterraneum] Length = 991 Score = 162 bits (411), Expect = 4e-44 Identities = 75/104 (72%), Positives = 92/104 (88%), Gaps = 1/104 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 LMDELGGA +FSKLDM+SGYHQVRM GEE KTAFKTH+ H+EYLVMPFGL APA+FQ+ Sbjct: 323 LMDELGGATIFSKLDMKSGYHQVRMATGEEHKTAFKTHNGHFEYLVMPFGLTNAPASFQS 382 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ 309 LMNH+F+PFLRKFVI+FFDDIL+YS++ +H+ L+LVF T+R+ Sbjct: 383 LMNHVFQPFLRKFVIVFFDDILIYSRSHHEHVARLALVFQTIRE 426 >gb|PNX92266.1| retrotransposon-related protein [Trifolium pratense] Length = 1479 Score = 162 bits (410), Expect = 6e-44 Identities = 74/103 (71%), Positives = 91/103 (88%), Gaps = 1/103 (0%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 L+DEL GA +FSKLD++SGYHQ+RM GEE KTAFKTHS H+E+LVMPFGL APA+FQ+ Sbjct: 657 LLDELAGASIFSKLDLKSGYHQLRMAEGEEHKTAFKTHSGHFEFLVMPFGLTNAPASFQS 716 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVR 306 LMNH+FKPFLR+FVIIFFDD+LVYSK+L +H+EHLS +F +R Sbjct: 717 LMNHLFKPFLRRFVIIFFDDLLVYSKSLQEHIEHLSSIFKLIR 759 >gb|PNY17729.1| retrotransposon-related protein [Trifolium pratense] Length = 1479 Score = 162 bits (409), Expect = 8e-44 Identities = 79/113 (69%), Positives = 93/113 (82%), Gaps = 2/113 (1%) Frame = +1 Query: 1 LMDELGGAKVFSKLDMRSGYHQVRMCPGEEGKTAFKTHSSHYEYLVMPFGLA-APATFQA 177 LMDEL G+ +FSKLD+RSGYHQ+RM PGE KTAFKTHS H+EYLVMPFGL APA+FQA Sbjct: 656 LMDELHGSVIFSKLDLRSGYHQLRMAPGESFKTAFKTHSGHFEYLVMPFGLTNAPASFQA 715 Query: 178 LMNHIFKPFLRKFVIIFFDDILVYSKTLSDHLEHLSLVFNTVRQ-ELFSEQGQ 333 LMN +FKPFLRKFVI+FFDD+LVYS +L DH HL L+F T+R+ LF Q + Sbjct: 716 LMNQVFKPFLRKFVIVFFDDLLVYSHSLVDHHVHLQLIFQTIRENHLFLNQSK 768