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= Mentha24_contig00041276
         (526 letters)

Database: ./nr 
           38,876,450 sequences; 13,856,398,315 total letters

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



                                                                 Score    E
Sequences producing significant alignments:                      (bits) Value

ref|XP_002281078.1| PREDICTED: ribonuclease H2 subunit B [Vitis ...    80   4e-13
emb|CAN79021.1| hypothetical protein VITISV_009443 [Vitis vinifera]    79   5e-13
ref|XP_006348739.1| PREDICTED: ribonuclease H2 subunit B-like is...    78   1e-12
gb|EYU22394.1| hypothetical protein MIMGU_mgv1a013487mg [Mimulus...    77   3e-12
ref|XP_004239098.1| PREDICTED: ribonuclease H2 subunit B-like [S...    77   3e-12
ref|XP_006348740.1| PREDICTED: ribonuclease H2 subunit B-like is...    74   3e-11
ref|XP_002869938.1| hypothetical protein ARALYDRAFT_329539 [Arab...    74   3e-11
ref|NP_001078412.2| ribonuclease H2 subunit B domain-containing ...    71   1e-10
ref|XP_007040841.1| Subunit B [Theobroma cacao] gi|508778086|gb|...    70   2e-10
ref|XP_004138774.1| PREDICTED: ribonuclease H2 subunit B-like [C...    70   3e-10
ref|XP_003522673.2| PREDICTED: ribonuclease H2 subunit B-like [G...    69   5e-10
ref|XP_004291258.1| PREDICTED: ribonuclease H2 subunit B-like [F...    69   5e-10
ref|XP_002517803.1| conserved hypothetical protein [Ricinus comm...    69   7e-10
ref|XP_006580916.1| PREDICTED: uncharacterized protein LOC100305...    68   2e-09
ref|NP_001173983.1| Os04g0476400 [Oryza sativa Japonica Group] g...    66   4e-09
emb|CAH67317.1| OSIGBa0106G07.13 [Oryza sativa Indica Group] gi|...    66   4e-09
emb|CAE05499.2| OSJNBa0022H21.19 [Oryza sativa Japonica Group] g...    66   4e-09
ref|XP_006468662.1| PREDICTED: ribonuclease H2 subunit B-like [C...    66   6e-09
ref|XP_006382222.1| hypothetical protein POPTR_0006s29490g [Popu...    65   8e-09
ref|XP_006653520.1| PREDICTED: uncharacterized protein LOC102706...    65   1e-08

>ref|XP_002281078.1| PREDICTED: ribonuclease H2 subunit B [Vitis vinifera]
           gi|296081827|emb|CBI20832.3| unnamed protein product
           [Vitis vinifera]
          Length = 277

 Score = 79.7 bits (195), Expect = 4e-13
 Identities = 47/103 (45%), Positives = 61/103 (59%), Gaps = 1/103 (0%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTKAHDVATLPPTT-GNDLASF 348
           AR++KDTL+DA+SI+ EYL+DEPW+          L D T    V    PT   N L S 
Sbjct: 176 ARDKKDTLTDAISILGEYLEDEPWLKLLCDHLKLNLLDATMKASVIEFHPTAPDNSLGSS 235

Query: 347 TPIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRK 219
             +Q  +G  +K  RP  +Q KKA VE +S NIKDMF+R +RK
Sbjct: 236 NQLQGKSGNERKTTRP-GKQPKKAKVEKDSRNIKDMFSRASRK 277


>emb|CAN79021.1| hypothetical protein VITISV_009443 [Vitis vinifera]
          Length = 277

 Score = 79.3 bits (194), Expect = 5e-13
 Identities = 47/103 (45%), Positives = 62/103 (60%), Gaps = 1/103 (0%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWT-KAHDVATLPPTTGNDLASF 348
           AR++KDTL+DA+SI+ EYL+DEPW+          L D T KA  +   P    N L S 
Sbjct: 176 ARDKKDTLTDAISILGEYLEDEPWLKLLCDHLKLNLLDATMKAXVIEFHPTAPDNSLGSS 235

Query: 347 TPIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRK 219
             +Q  +G  +K  RP  +Q KKA VE +S NIKDMF+R +RK
Sbjct: 236 NQLQGKSGNERKTTRP-GKQPKKAKVEKDSRNIKDMFSRASRK 277


>ref|XP_006348739.1| PREDICTED: ribonuclease H2 subunit B-like isoform X1 [Solanum
           tuberosum]
          Length = 333

 Score = 78.2 bits (191), Expect = 1e-12
 Identities = 43/102 (42%), Positives = 58/102 (56%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASFT 345
           AR++K+ L+DAVSII EYLK+EPW+          L++ TKA +         N   SF 
Sbjct: 230 ARDKKEILTDAVSIIGEYLKEEPWLKLLCSKLSIDLQEDTKASNSEMHSSPMDNSFESFN 289

Query: 344 PIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRK 219
             Q+ N  G++    + R  KK   ETNS NIKDMF+R TR+
Sbjct: 290 HEQQGNSEGQEKATKSKRPTKKIKAETNSLNIKDMFSRATRR 331


>gb|EYU22394.1| hypothetical protein MIMGU_mgv1a013487mg [Mimulus guttatus]
          Length = 219

 Score = 76.6 bits (187), Expect = 3e-12
 Identities = 48/104 (46%), Positives = 54/104 (51%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASFT 345
           A++EK+ L DAVSIIREYLKDEPW                                    
Sbjct: 156 AQDEKNQLFDAVSIIREYLKDEPW------------------------------------ 179

Query: 344 PIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRKRG 213
              ENN   KK V PTTRQAKK  +E +SHNIKDMF+R TRKRG
Sbjct: 180 ---ENNAMNKK-VAPTTRQAKKVKMEKDSHNIKDMFSRATRKRG 219


>ref|XP_004239098.1| PREDICTED: ribonuclease H2 subunit B-like [Solanum lycopersicum]
          Length = 333

 Score = 76.6 bits (187), Expect = 3e-12
 Identities = 43/102 (42%), Positives = 57/102 (55%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASFT 345
           AR++K+ L+DAVSI+ EYLK+EPW+          L++ TKA +             SF 
Sbjct: 230 ARDKKEILTDAVSIVGEYLKEEPWLKLLCSKLSIDLQEDTKASNSEMHSSPMDYSFESFN 289

Query: 344 PIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRK 219
             QE    G++      RQ KK  VETNS NIKDMF+R TR+
Sbjct: 290 HEQEGKSEGQEKTTRNKRQTKKIKVETNSLNIKDMFSRATRR 331


>ref|XP_006348740.1| PREDICTED: ribonuclease H2 subunit B-like isoform X2 [Solanum
           tuberosum]
          Length = 332

 Score = 73.6 bits (179), Expect = 3e-11
 Identities = 42/102 (41%), Positives = 58/102 (56%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASFT 345
           AR++K+ L+DAVSII EYLK+EPW+          L++ TKA +         N   SF 
Sbjct: 230 ARDKKEILTDAVSIIGEYLKEEPWLKLLCSKLSIDLQEDTKASNSEMHSSPMDNSFESFN 289

Query: 344 PIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRK 219
             ++ N  G++    + R  KK   ETNS NIKDMF+R TR+
Sbjct: 290 H-EQGNSEGQEKATKSKRPTKKIKAETNSLNIKDMFSRATRR 330


>ref|XP_002869938.1| hypothetical protein ARALYDRAFT_329539 [Arabidopsis lyrata subsp.
           lyrata] gi|297315774|gb|EFH46197.1| hypothetical protein
           ARALYDRAFT_329539 [Arabidopsis lyrata subsp. lyrata]
          Length = 277

 Score = 73.6 bits (179), Expect = 3e-11
 Identities = 46/106 (43%), Positives = 60/106 (56%), Gaps = 3/106 (2%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWT-KAHDVATLPPTTGNDLASF 348
           A++EK TL DAVSI+ EYLK EPW+            D T K  ++  LP    N++AS 
Sbjct: 179 AQDEKQTLIDAVSIVGEYLKTEPWLKLLYDHLGLKFVDPTMKETNMENLPTANENNMASS 238

Query: 347 TPIQE--NNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRKR 216
           T +QE  N  PGK        Q K+A VET S NI+DMF+R  +K+
Sbjct: 239 TSLQEKANKKPGK--------QTKQAKVETGSKNIRDMFSRACKKK 276


>ref|NP_001078412.2| ribonuclease H2 subunit B domain-containing protein [Arabidopsis
           thaliana] gi|332658907|gb|AEE84307.1| ribonuclease H2
           subunit B domain-containing protein [Arabidopsis
           thaliana]
          Length = 277

 Score = 71.2 bits (173), Expect = 1e-10
 Identities = 45/106 (42%), Positives = 59/106 (55%), Gaps = 3/106 (2%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWT-KAHDVATLPPTTGNDLASF 348
           A++EK TL D+VSI+ EYLK EPW+            D T K  ++  LP    N++AS 
Sbjct: 179 AQDEKQTLVDSVSIVGEYLKTEPWLKLLYDHLGLKFVDPTMKETNMENLPTANENNMASS 238

Query: 347 TPIQE--NNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRKR 216
             IQE  N  PGK        Q K+A VET S NI+DMF+R  +K+
Sbjct: 239 NSIQEKANKKPGK--------QTKQAKVETGSKNIRDMFSRACKKK 276


>ref|XP_007040841.1| Subunit B [Theobroma cacao] gi|508778086|gb|EOY25342.1| Subunit B
           [Theobroma cacao]
          Length = 280

 Score = 70.5 bits (171), Expect = 2e-10
 Identities = 43/104 (41%), Positives = 58/104 (55%), Gaps = 1/104 (0%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTK-AHDVATLPPTTGNDLASF 348
           AR+EKDT +DA+SII EYLK EPW+          L + T+ A D         + + + 
Sbjct: 177 ARDEKDTSADAISIIGEYLKHEPWLKLLSNHFKLNLLEATRIASDFEACSNAIESPMGAS 236

Query: 347 TPIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRKR 216
            P Q      KK  R   +QAKKA +ET S NIK+MF+R +R+R
Sbjct: 237 NPSQGKTRGEKKTAR-NQKQAKKAKIETESRNIKEMFSRASRRR 279


>ref|XP_004138774.1| PREDICTED: ribonuclease H2 subunit B-like [Cucumis sativus]
           gi|449499524|ref|XP_004160839.1| PREDICTED: ribonuclease
           H2 subunit B-like [Cucumis sativus]
          Length = 281

 Score = 70.1 bits (170), Expect = 3e-10
 Identities = 43/106 (40%), Positives = 59/106 (55%), Gaps = 3/106 (2%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWT-KAHDVATLPPTTGNDLASF 348
           AR EK+TL DAVSI+ EYLKD+PW+            + T KA D    P +  N+  S 
Sbjct: 176 AREEKETLCDAVSILGEYLKDQPWLKLLCDHLKLNFAEATRKASDSERAPTSIENNFDSI 235

Query: 347 TPIQ--ENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRKR 216
           +  +    +G G K  R   +QAKK  VET S NIKDMF++  +++
Sbjct: 236 SQDKSGSRSGSGAKNTR-NGKQAKKPKVETESRNIKDMFSKAAKRK 280


>ref|XP_003522673.2| PREDICTED: ribonuclease H2 subunit B-like [Glycine max]
          Length = 338

 Score = 69.3 bits (168), Expect = 5e-10
 Identities = 41/102 (40%), Positives = 55/102 (53%)
 Frame = -3

Query: 521 RNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASFTP 342
           ++EKDTL DAVSI+ EYLK+EPW+          + + T     A       N+      
Sbjct: 239 QSEKDTLIDAVSILGEYLKEEPWLQLLCNHLKLNILEVTGK---AQANAEGNNNSRLCNE 295

Query: 341 IQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRKR 216
           +QE +   K       RQAKK  +ET SHNIKDMF+R +RK+
Sbjct: 296 LQEQSNDKKGTTAKKGRQAKKVKLETESHNIKDMFSRASRKK 337


>ref|XP_004291258.1| PREDICTED: ribonuclease H2 subunit B-like [Fragaria vesca subsp.
           vesca]
          Length = 281

 Score = 69.3 bits (168), Expect = 5e-10
 Identities = 43/105 (40%), Positives = 54/105 (51%), Gaps = 2/105 (1%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWM-XXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASF 348
           AR +K  L+DAVSI+ EYLKDEPW+            E   KA D  TLP    +    +
Sbjct: 176 AREDKQRLTDAVSILGEYLKDEPWLKLLCDRLRIDLPEAPKKAPDTETLPTAYESSPGIW 235

Query: 347 TPIQE-NNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRKR 216
              QE +    K   R   RQAKK   ET SHNI+DMF R + ++
Sbjct: 236 NGSQEKSKSDNKVTTRAAGRQAKKIKPETESHNIRDMFTRASSRK 280


>ref|XP_002517803.1| conserved hypothetical protein [Ricinus communis]
           gi|223543075|gb|EEF44610.1| conserved hypothetical
           protein [Ricinus communis]
          Length = 299

 Score = 68.9 bits (167), Expect = 7e-10
 Identities = 45/104 (43%), Positives = 62/104 (59%), Gaps = 1/104 (0%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWT-KAHDVATLPPTTGNDLASF 348
           A++EK+TL+DA+ I+ EYLKDEPW+          L + T K  D  T    T N+ AS 
Sbjct: 199 AQDEKNTLADAIMILGEYLKDEPWLKLLCNHLKLNLLEATRKVPDAET--SLTENNPASS 256

Query: 347 TPIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRKR 216
             +QE  G      + T +QAKKA VET S NI++MF+R +R+R
Sbjct: 257 NLMQE-KGKNDGKTKRTGKQAKKAKVETESLNIREMFSRASRRR 299


>ref|XP_006580916.1| PREDICTED: uncharacterized protein LOC100305835 isoform X1 [Glycine
           max] gi|571457853|ref|XP_006580917.1| PREDICTED:
           uncharacterized protein LOC100305835 isoform X2 [Glycine
           max] gi|571457855|ref|XP_006580918.1| PREDICTED:
           uncharacterized protein LOC100305835 isoform X3 [Glycine
           max]
          Length = 275

 Score = 67.8 bits (164), Expect = 2e-09
 Identities = 42/104 (40%), Positives = 56/104 (53%), Gaps = 2/104 (1%)
 Frame = -3

Query: 521 RNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTKAHDVATLPPTTG--NDLASF 348
           ++EKDTL DAVSI+ EYLK++PW+          + + T    V       G  N+L   
Sbjct: 177 QSEKDTLIDAVSILGEYLKEKPWLQLLCDHLKLNILEVTGKAQVNAEESNPGLRNEL--- 233

Query: 347 TPIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRKR 216
              QE +   K       RQAKK  +ET SHNIKDMF+R +RK+
Sbjct: 234 ---QEQSNDKKATTAKKGRQAKKVKLETESHNIKDMFSRASRKK 274


>ref|NP_001173983.1| Os04g0476400 [Oryza sativa Japonica Group]
           gi|255675553|dbj|BAH92711.1| Os04g0476400, partial
           [Oryza sativa Japonica Group]
          Length = 130

 Score = 66.2 bits (160), Expect = 4e-09
 Identities = 40/102 (39%), Positives = 50/102 (49%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASFT 345
           A+ EK+ L DAV IIREYL DEPW+          +++  +A+  +       N    F 
Sbjct: 28  AQGEKELLKDAVQIIREYLNDEPWLTLLCKKLQLDIKEIIEANKTSEASFCAENSPVPFH 87

Query: 344 PIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRK 219
           P +E  G          R AKK   E  S NIKDMF RVTRK
Sbjct: 88  PAEEKLG-SSSTRSSKGRPAKKQKAEVESKNIKDMFRRVTRK 128


>emb|CAH67317.1| OSIGBa0106G07.13 [Oryza sativa Indica Group]
           gi|125548707|gb|EAY94529.1| hypothetical protein
           OsI_16306 [Oryza sativa Indica Group]
          Length = 279

 Score = 66.2 bits (160), Expect = 4e-09
 Identities = 40/102 (39%), Positives = 50/102 (49%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASFT 345
           A+ EK+ L DAV IIREYL DEPW+          +++  +A+  +       N    F 
Sbjct: 177 AQGEKELLKDAVQIIREYLNDEPWLTLLCKKLQLDIKEIIEANKTSEASFCAENSPVPFH 236

Query: 344 PIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRK 219
           P +E  G          R AKK   E  S NIKDMF RVTRK
Sbjct: 237 PAEEKLG-SSSTRSSKGRPAKKQKAEVESKNIKDMFRRVTRK 277


>emb|CAE05499.2| OSJNBa0022H21.19 [Oryza sativa Japonica Group]
           gi|125590733|gb|EAZ31083.1| hypothetical protein
           OsJ_15180 [Oryza sativa Japonica Group]
          Length = 279

 Score = 66.2 bits (160), Expect = 4e-09
 Identities = 40/102 (39%), Positives = 50/102 (49%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASFT 345
           A+ EK+ L DAV IIREYL DEPW+          +++  +A+  +       N    F 
Sbjct: 177 AQGEKELLKDAVQIIREYLNDEPWLTLLCKKLQLDIKEIIEANKTSEASFCAENSPVPFH 236

Query: 344 PIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRK 219
           P +E  G          R AKK   E  S NIKDMF RVTRK
Sbjct: 237 PAEEKLG-SSSTRSSKGRPAKKQKAEVESKNIKDMFRRVTRK 277


>ref|XP_006468662.1| PREDICTED: ribonuclease H2 subunit B-like [Citrus sinensis]
          Length = 283

 Score = 65.9 bits (159), Expect = 6e-09
 Identities = 39/103 (37%), Positives = 61/103 (59%), Gaps = 1/103 (0%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWM-XXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASF 348
           A++EKDTL++AVSI+ EY+KDEPW+           L++  KA  +   P +  +++ S 
Sbjct: 176 AQDEKDTLANAVSILGEYVKDEPWLKLLCKHLNLDLLKETGKAPCIEVFPSSLESNVGSS 235

Query: 347 TPIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRK 219
             +QE     +K  R T ++ K A  ET S NIK+MF+R +R+
Sbjct: 236 NLLQERRKSDRKTNR-TGKETKMAKPETESRNIKEMFSRASRR 277


>ref|XP_006382222.1| hypothetical protein POPTR_0006s29490g [Populus trichocarpa]
           gi|118489672|gb|ABK96637.1| unknown [Populus trichocarpa
           x Populus deltoides] gi|550337377|gb|ERP60019.1|
           hypothetical protein POPTR_0006s29490g [Populus
           trichocarpa]
          Length = 582

 Score = 65.5 bits (158), Expect = 8e-09
 Identities = 42/103 (40%), Positives = 58/103 (56%), Gaps = 1/103 (0%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPW-MXXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASF 348
           A++EK TL+ AVSI+ EY+KDEPW M          LE  +K  +    P    ++  S 
Sbjct: 480 AQDEKYTLAGAVSILGEYVKDEPWLMLLLDHLKLNLLEVTSKVPEAENFPTNAEHNPVSS 539

Query: 347 TPIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRK 219
           + +QE +    K  R + +QAKKA VET S NI++MF R  RK
Sbjct: 540 SLLQEKDRSEDKTKR-SGKQAKKAKVETESRNIREMFRRACRK 581


>ref|XP_006653520.1| PREDICTED: uncharacterized protein LOC102706937 [Oryza brachyantha]
          Length = 278

 Score = 65.1 bits (157), Expect = 1e-08
 Identities = 39/102 (38%), Positives = 49/102 (48%)
 Frame = -3

Query: 524 ARNEKDTLSDAVSIIREYLKDEPWMXXXXXXXXXXLEDWTKAHDVATLPPTTGNDLASFT 345
           A+ EK+ L DAV IIREYL DEPW+           ++  +A+  +       N    F 
Sbjct: 176 AQGEKELLKDAVQIIREYLNDEPWLTLLCKKLQLDTKEIIEANKTSEASFCAENSPVPFR 235

Query: 344 PIQENNGPGKKAVRPTTRQAKKATVETNSHNIKDMFNRVTRK 219
           P +E  G    +     R AKK   E  S NIKDMF R TRK
Sbjct: 236 PSEEKLG-NSNSRSSKGRPAKKQKTEVESKNIKDMFRRATRK 276