BLASTX nr result
ID: Ephedra27_contig00001800
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= Ephedra27_contig00001800 (478 letters) Database: ./nr 37,332,560 sequences; 13,225,080,153 total letters Searching..................................................done Score E Sequences producing significant alignments: (bits) Value gb|EJP64846.1| Ribosome-inactivating protein [Beauveria bassiana... 98 1e-18 gb|EOY12416.1| Uncharacterized protein TCM_030938 [Theobroma cacao] 65 1e-08 gb|AAM89506.1|AF289118_1 type 1 ribosome-inactivating protein mu... 65 1e-08 ref|XP_002532190.1| ricin-agglutinin family protein [Ricinus com... 64 2e-08 sp|P98184.1|RIP2_BRYDI RecName: Full=Ribosome-inactivating prote... 64 2e-08 ref|XP_002529424.1| ricin-agglutinin family protein [Ricinus com... 63 4e-08 gb|AAB47013.1| gelonin [Gelonium multiflorum, seeds, Peptide, 25... 63 5e-08 gb|AAM89504.1|AF289116_1 type 1 ribosome-inactivating protein mu... 63 5e-08 gb|AGO85914.1| anti-CD22 scFv-CH23-gelonin antibody [synthetic c... 62 1e-07 gb|AGO85913.1| anti-CD22 scFv-gelonin antibody [synthetic constr... 62 1e-07 sp|P33186.2|RIPG_GELMU RecName: Full=Ribosome-inactivating prote... 62 1e-07 gb|AFR78255.1| gelonin HA-cys-6H, partial [synthetic construct] 62 1e-07 gb|AFR78254.1| 6H-V5-mature gelonin, partial [synthetic construct] 62 1e-07 gb|AFR78253.1| 6H-V5-gelonin [synthetic construct] 62 1e-07 pdb|3KTZ|A Chain A, Structure Of Gap31 gi|284794100|pdb|3KTZ|B C... 62 1e-07 ref|XP_002529423.1| ricin-agglutinin family protein [Ricinus com... 62 1e-07 gb|AAQ09025.1|AF289119_1 type 1 ribosome-inactivating protein mu... 62 1e-07 gb|ABG76785.1| ribosome-inactivating protein [Panax ginseng] 61 1e-07 ref|XP_002516360.1| ricin-agglutinin family protein [Ricinus com... 61 2e-07 gb|EOY12706.1| Uncharacterized protein TCM_031232 [Theobroma cacao] 60 2e-07 >gb|EJP64846.1| Ribosome-inactivating protein [Beauveria bassiana ARSEF 2860] Length = 566 Score = 97.8 bits (242), Expect = 1e-18 Identities = 57/138 (41%), Positives = 74/138 (53%), Gaps = 1/138 (0%) Frame = +2 Query: 2 GSAFLPFGASYVSLLGANSREVRMQTNLGREQLETAVNDIARYPNTDGARKPLAIVIQMI 181 GS L F Y SL +R R +T LG++QL TAVN +A + + L +VIQMI Sbjct: 164 GSTHLGFDGGYNSLQTTAARR-RSETALGQQQLTTAVNQLATTADRRERARSLLVVIQMI 222 Query: 182 CEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVDANPTAQF-FPPNNVL 358 CEAIRFT ISD + +N+ P +LEN WG +S L R D NP Q P N + Sbjct: 223 CEAIRFTHISDTITNNYSEGVTPDERFTALENGWGDVSTALLRHDQNPEGQIQLPRPNAM 282 Query: 359 GFTTPAQGAAVLGVAMNY 412 G + AV+GV + Y Sbjct: 283 GINSVTDAVAVIGVLLRY 300 >gb|EOY12416.1| Uncharacterized protein TCM_030938 [Theobroma cacao] Length = 2753 Score = 64.7 bits (156), Expect = 1e-08 Identities = 52/173 (30%), Positives = 77/173 (44%), Gaps = 17/173 (9%) Frame = +2 Query: 2 GSAFLPFGASYVS----LLGANSREVRMQTNLGREQLETAVNDIARY--PNT------DG 145 GS L + SYV + A R LG + L A+ ++AR PN+ Sbjct: 454 GSRRLAYSGSYVDGYNVVRAAGGDVTRGTLQLGYQNLRNAIANLARTEDPNSTQNNGLQN 513 Query: 146 ARKPLAIVIQMICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVD--- 316 + L I+ QMI E+ RF I++H+V N+ +P TR +V L+ S+G S ++R D Sbjct: 514 CARALLILTQMISESTRFPLITNHIVTNWHNSAPLTRQLVRLQQSFGTFSSAVQRADFPN 573 Query: 317 --ANPTAQFFPPNNVLGFTTPAQGAAVLGVAMNYCFRSSHIAATRARTPRMAD 469 AN P N T Q A +G+ +N + T +R R AD Sbjct: 574 WTANTPLPNIPEPNEANIWTVGQAIAAVGILIN-------VPRTSSRMKRQAD 619 >gb|AAM89506.1|AF289118_1 type 1 ribosome-inactivating protein musarmin 1 [Muscari armeniacum] Length = 295 Score = 64.7 bits (156), Expect = 1e-08 Identities = 45/124 (36%), Positives = 60/124 (48%), Gaps = 2/124 (1%) Frame = +2 Query: 2 GSAFLPFGASYVSLLGANSREVRMQTNLGREQLETAVNDIARYPNTDGARKPLAIVIQMI 181 GS FL FG SY L M N + +L T+V D+A N+ K L ++IQMI Sbjct: 128 GSEFLGFGGSYTELERLAGPVTSMDIN--QAKLVTSVRDLAVSTNSVVRAKALVVLIQMI 185 Query: 182 CEAIRFTKISDHVVDNFGP--MSPPTRLMVSLENSWGALSEGLRRVDANPTAQFFPPNNV 355 CEA RF ISDH N P +M LE +W +S + + DA+ T+ P + Sbjct: 186 CEATRFIPISDHFASNLATDYAKLPPWMMSDLEKNWARISREVLKWDAD-TSYKIQPQTI 244 Query: 356 LGFT 367 G T Sbjct: 245 NGQT 248 >ref|XP_002532190.1| ricin-agglutinin family protein [Ricinus communis] gi|223528122|gb|EEF30193.1| ricin-agglutinin family protein [Ricinus communis] Length = 303 Score = 64.3 bits (155), Expect = 2e-08 Identities = 40/103 (38%), Positives = 55/103 (53%), Gaps = 3/103 (2%) Frame = +2 Query: 8 AFLPFGASYVSLLGANSREVRMQTNLGREQLETAVNDIARY---PNTDGARKPLAIVIQM 178 A LP+G SY +L A + R LG Q A+ + +Y P T L +VIQM Sbjct: 138 ARLPYGGSYQALYNAGAS--RENVPLGISQFNNAIFQLVKYAGAPATTDIASNLVVVIQM 195 Query: 179 ICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLR 307 I EA RF I + +V+NF P ++SLEN+WG LSE ++ Sbjct: 196 ISEAARFKYIEEKLVENFYEDLYPKGDLLSLENNWGTLSEAIQ 238 >sp|P98184.1|RIP2_BRYDI RecName: Full=Ribosome-inactivating protein bryodin II; AltName: Full=BD2; AltName: Full=rRNA N-glycosidase; Flags: Precursor Length = 282 Score = 63.9 bits (154), Expect = 2e-08 Identities = 41/142 (28%), Positives = 66/142 (46%), Gaps = 6/142 (4%) Frame = +2 Query: 14 LPFGASYVSLLGANSREVRMQTNLGREQLETAVNDIARYPNTDGARKPLAIVIQMICEAI 193 LP+G +Y L A R R LG ++ +A+ ++ R+ + ++IQ + EA Sbjct: 126 LPYGGNYDGLETAAGRISRENIELGFSEISSAIGNMFRHNPGTSVPRAFIVIIQTVSEAA 185 Query: 194 RFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVDANPTAQFFPP------NNV 355 RF I V +N G P +SL+N+WG+LSE + ++ +F P +N Sbjct: 186 RFKYIEQRVSENVGTKFKPDPAFLSLQNAWGSLSEQI-QIAQTRGGEFARPVELRTVSNT 244 Query: 356 LGFTTPAQGAAVLGVAMNYCFR 421 F T V G+A+ FR Sbjct: 245 PTFVTNVNSPVVKGIALLLYFR 266 >ref|XP_002529424.1| ricin-agglutinin family protein [Ricinus communis] gi|223531101|gb|EEF32950.1| ricin-agglutinin family protein [Ricinus communis] Length = 270 Score = 63.2 bits (152), Expect = 4e-08 Identities = 40/99 (40%), Positives = 53/99 (53%), Gaps = 3/99 (3%) Frame = +2 Query: 8 AFLPFGASYVSLLGANSREVRMQTNLGREQLETAVNDIARY---PNTDGARKPLAIVIQM 178 A LP+G SY L A + R + LG QL A+ + +Y P+T L +VIQM Sbjct: 107 ARLPYGGSYQDLFNAGAN--REKVPLGISQLNNAIFQLIKYVSSPSTTDIASNLLVVIQM 164 Query: 179 ICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALS 295 I EA RF I +V+ F P ++SLEN+WGALS Sbjct: 165 ISEAARFKYIEKKLVEKFNEDLYPKGDLLSLENNWGALS 203 >gb|AAB47013.1| gelonin [Gelonium multiflorum, seeds, Peptide, 258 aa] Length = 258 Score = 62.8 bits (151), Expect = 5e-08 Identities = 45/112 (40%), Positives = 56/112 (50%), Gaps = 5/112 (4%) Frame = +2 Query: 2 GSAFLPFGASYVSLLGANSREVRMQTNLGREQLETAV-----NDIARYPNTDGARKPLAI 166 G L FG SY SL G + R T+LG E L + N I Y T+ A L + Sbjct: 110 GKTRLHFGGSYPSLEG--EKAYRETTDLGIEPLRIGIKKLDENAIDNYKPTEIASS-LLV 166 Query: 167 VIQMICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVDAN 322 VIQM+ EA RFT I + + +NF P +SLEN WG LS +R AN Sbjct: 167 VIQMVSEAARFTFIENQIRNNFQQRIRPANNTISLENKWGKLSFQIRTSGAN 218 >gb|AAM89504.1|AF289116_1 type 1 ribosome-inactivating protein musarmin 3 [Muscari armeniacum] Length = 298 Score = 62.8 bits (151), Expect = 5e-08 Identities = 40/116 (34%), Positives = 53/116 (45%), Gaps = 2/116 (1%) Frame = +2 Query: 2 GSAFLPFGASYVSLLGANSREVRMQTNLGREQLETAVNDIARYPNTDGARKPLAIVIQMI 181 GS FL F SY L +M N R L T+V D+ T K L +VIQMI Sbjct: 128 GSEFLGFDGSYTDLERHAGSVTKMDIN--RAILMTSVQDLTESTTTSVRAKALVVVIQMI 185 Query: 182 CEAIRFTKISDHVVDNFGPMSP--PTRLMVSLENSWGALSEGLRRVDANPTAQFFP 343 CEA RF + +H N P +M L+ +W +S + R A+PT + P Sbjct: 186 CEAARFISVENHFASNLATQRAKLPLWMMEDLQKNWARISREVLRWAADPTYRIQP 241 >gb|AGO85914.1| anti-CD22 scFv-CH23-gelonin antibody [synthetic construct] Length = 779 Score = 61.6 bits (148), Expect = 1e-07 Identities = 44/108 (40%), Positives = 55/108 (50%), Gaps = 5/108 (4%) Frame = +2 Query: 14 LPFGASYVSLLGANSREVRMQTNLGREQLETAV-----NDIARYPNTDGARKPLAIVIQM 178 L FG SY SL G + R T+LG E L + N I Y T+ A L +VIQM Sbjct: 631 LHFGGSYPSLEG--EKAYRETTDLGIEPLRIGIKKLDENAIDNYKPTEIASS-LLVVIQM 687 Query: 179 ICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVDAN 322 + EA RFT I + + +NF P +SLEN WG LS +R AN Sbjct: 688 VSEAARFTFIENQIRNNFQQRIRPANNTISLENKWGKLSFQIRTSGAN 735 >gb|AGO85913.1| anti-CD22 scFv-gelonin antibody [synthetic construct] Length = 540 Score = 61.6 bits (148), Expect = 1e-07 Identities = 44/108 (40%), Positives = 55/108 (50%), Gaps = 5/108 (4%) Frame = +2 Query: 14 LPFGASYVSLLGANSREVRMQTNLGREQLETAV-----NDIARYPNTDGARKPLAIVIQM 178 L FG SY SL G + R T+LG E L + N I Y T+ A L +VIQM Sbjct: 392 LHFGGSYPSLEG--EKAYRETTDLGIEPLRIGIKKLDENAIDNYKPTEIASS-LLVVIQM 448 Query: 179 ICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVDAN 322 + EA RFT I + + +NF P +SLEN WG LS +R AN Sbjct: 449 VSEAARFTFIENQIRNNFQQRIRPANNTISLENKWGKLSFQIRTSGAN 496 >sp|P33186.2|RIPG_GELMU RecName: Full=Ribosome-inactivating protein gelonin; AltName: Full=rRNA N-glycosidase; Flags: Precursor gi|388634|gb|AAA16312.1| gelonin [Gelonium multiflorum] Length = 316 Score = 61.6 bits (148), Expect = 1e-07 Identities = 44/108 (40%), Positives = 55/108 (50%), Gaps = 5/108 (4%) Frame = +2 Query: 14 LPFGASYVSLLGANSREVRMQTNLGREQLETAV-----NDIARYPNTDGARKPLAIVIQM 178 L FG SY SL G + R T+LG E L + N I Y T+ A L +VIQM Sbjct: 153 LHFGGSYPSLEG--EKAYRETTDLGIEPLRIGIKKLDENAIDNYKPTEIASS-LLVVIQM 209 Query: 179 ICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVDAN 322 + EA RFT I + + +NF P +SLEN WG LS +R AN Sbjct: 210 VSEAARFTFIENQIRNNFQQRIRPANNTISLENKWGKLSFQIRTSGAN 257 >gb|AFR78255.1| gelonin HA-cys-6H, partial [synthetic construct] Length = 334 Score = 61.6 bits (148), Expect = 1e-07 Identities = 44/108 (40%), Positives = 55/108 (50%), Gaps = 5/108 (4%) Frame = +2 Query: 14 LPFGASYVSLLGANSREVRMQTNLGREQLETAV-----NDIARYPNTDGARKPLAIVIQM 178 L FG SY SL G + R T+LG E L + N I Y T+ A L +VIQM Sbjct: 153 LHFGGSYPSLEG--EKAYRETTDLGIEPLRIGIKKLDENAIDNYKPTEIASS-LLVVIQM 209 Query: 179 ICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVDAN 322 + EA RFT I + + +NF P +SLEN WG LS +R AN Sbjct: 210 VSEAARFTFIENQIRNNFQQRIRPANNTISLENKWGKLSFQIRTSGAN 257 >gb|AFR78254.1| 6H-V5-mature gelonin, partial [synthetic construct] Length = 282 Score = 61.6 bits (148), Expect = 1e-07 Identities = 44/108 (40%), Positives = 55/108 (50%), Gaps = 5/108 (4%) Frame = +2 Query: 14 LPFGASYVSLLGANSREVRMQTNLGREQLETAV-----NDIARYPNTDGARKPLAIVIQM 178 L FG SY SL G + R T+LG E L + N I Y T+ A L +VIQM Sbjct: 139 LHFGGSYPSLEG--EKAYRETTDLGIEPLRIGIKKLDENAIDNYKPTEIASS-LLVVIQM 195 Query: 179 ICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVDAN 322 + EA RFT I + + +NF P +SLEN WG LS +R AN Sbjct: 196 VSEAARFTFIENQIRNNFQQRIRPANNTISLENKWGKLSFQIRTSGAN 243 >gb|AFR78253.1| 6H-V5-gelonin [synthetic construct] Length = 349 Score = 61.6 bits (148), Expect = 1e-07 Identities = 44/108 (40%), Positives = 55/108 (50%), Gaps = 5/108 (4%) Frame = +2 Query: 14 LPFGASYVSLLGANSREVRMQTNLGREQLETAV-----NDIARYPNTDGARKPLAIVIQM 178 L FG SY SL G + R T+LG E L + N I Y T+ A L +VIQM Sbjct: 186 LHFGGSYPSLEG--EKAYRETTDLGIEPLRIGIKKLDENAIDNYKPTEIASS-LLVVIQM 242 Query: 179 ICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVDAN 322 + EA RFT I + + +NF P +SLEN WG LS +R AN Sbjct: 243 VSEAARFTFIENQIRNNFQQRIRPANNTISLENKWGKLSFQIRTSGAN 290 >pdb|3KTZ|A Chain A, Structure Of Gap31 gi|284794100|pdb|3KTZ|B Chain B, Structure Of Gap31 gi|284794101|pdb|3KU0|A Chain A, Structure Of Gap31 With Adenine At Its Binding Pocket gi|284794102|pdb|3KU0|B Chain B, Structure Of Gap31 With Adenine At Its Binding Pocket Length = 251 Score = 61.6 bits (148), Expect = 1e-07 Identities = 44/108 (40%), Positives = 55/108 (50%), Gaps = 5/108 (4%) Frame = +2 Query: 14 LPFGASYVSLLGANSREVRMQTNLGREQLETAV-----NDIARYPNTDGARKPLAIVIQM 178 L FG SY SL G + R T+LG E L + N I Y T+ A L +VIQM Sbjct: 107 LHFGGSYPSLEG--EKAYRETTDLGIEPLRIGIKKLDENAIDNYKPTEIASS-LLVVIQM 163 Query: 179 ICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVDAN 322 + EA RFT I + + +NF P +SLEN WG LS +R AN Sbjct: 164 VSEAARFTFIENQIRNNFQQRIRPANNTISLENKWGKLSFQIRTSGAN 211 >ref|XP_002529423.1| ricin-agglutinin family protein [Ricinus communis] gi|223531100|gb|EEF32949.1| ricin-agglutinin family protein [Ricinus communis] Length = 271 Score = 61.6 bits (148), Expect = 1e-07 Identities = 40/99 (40%), Positives = 54/99 (54%), Gaps = 3/99 (3%) Frame = +2 Query: 8 AFLPFGASYVSLLGANSREVRMQTNLGREQLETAVNDIARY---PNTDGARKPLAIVIQM 178 A LP+G SY +L A + R + LG QL A+ + +Y P+T L +VIQM Sbjct: 108 ARLPYGGSYQALFIAGAN--REKVPLGISQLNNAIFQLIKYASSPSTADIASNLLVVIQM 165 Query: 179 ICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALS 295 I EA RF I +V+ F P ++SLEN+WGALS Sbjct: 166 ISEAARFKYIEKKLVEKFNEDLYPKGDLLSLENNWGALS 204 >gb|AAQ09025.1|AF289119_1 type 1 ribosome-inactivating protein musarmin 4 [Muscari armeniacum] Length = 294 Score = 61.6 bits (148), Expect = 1e-07 Identities = 42/117 (35%), Positives = 58/117 (49%), Gaps = 3/117 (2%) Frame = +2 Query: 2 GSAFLPFGASYVSLLGANSREVRMQTNLGREQLETAVNDIARYPNTDGAR-KPLAIVIQM 178 GS FL F SY+ L M+ N R L TAV +AR P+T+ R + L +VIQM Sbjct: 127 GSQFLGFTGSYIELERLGGSVTGMEINQAR--LITAVQQLAR-PSTNAVRARALVVVIQM 183 Query: 179 ICEAIRFTKISDHVVDNFGPMSP--PTRLMVSLENSWGALSEGLRRVDANPTAQFFP 343 EA RF +SD+ N + P +M L+ +W +S + R DA P+ P Sbjct: 184 FSEAARFISVSDYFASNLATPNAKLPAWMMRDLQKNWALISRDVLRWDARPSYNIGP 240 >gb|ABG76785.1| ribosome-inactivating protein [Panax ginseng] Length = 443 Score = 61.2 bits (147), Expect = 1e-07 Identities = 39/104 (37%), Positives = 58/104 (55%), Gaps = 5/104 (4%) Frame = +2 Query: 14 LPFGASYVSLLGANSREVRMQTNLGREQLETAVNDIARYPNTDGARKPLAIVIQMICEAI 193 LPF +SY +L + R+ LG +L+ ++ D+ Y T+ AR P +VIQM+ EA+ Sbjct: 153 LPFNSSYPAL--QHEAGDRVNIPLGITELDQSIQDLRHYRRTNLAR-PFIVVIQMVSEAV 209 Query: 194 RFTKISDHVV-----DNFGPMSPPTRLMVSLENSWGALSEGLRR 310 RF I + VV D PTR M+SLEN+W LS +++ Sbjct: 210 RFRYIENLVVLSIRADGSRQNFRPTRTMISLENNWDTLSTSIQQ 253 >ref|XP_002516360.1| ricin-agglutinin family protein [Ricinus communis] gi|223544526|gb|EEF46044.1| ricin-agglutinin family protein [Ricinus communis] Length = 306 Score = 60.8 bits (146), Expect = 2e-07 Identities = 39/103 (37%), Positives = 56/103 (54%), Gaps = 4/103 (3%) Frame = +2 Query: 14 LPFGASYVSLLGANSREVRMQTNLGREQLETAVNDIARYPNT----DGARKPLAIVIQMI 181 LPFG SY +L NS R Q LG QL AV + +Y + + A + L + +QM+ Sbjct: 149 LPFGGSYPAL--ENSGAFREQVPLGITQLNDAVFTLYKYATSAATANQAARSLLVAVQMV 206 Query: 182 CEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRR 310 EA RF I +VDNF + +VSLEN+W LS+ +++ Sbjct: 207 SEAARFKYIEQVLVDNFFYLDTERGDLVSLENNWKDLSDAIQK 249 >gb|EOY12706.1| Uncharacterized protein TCM_031232 [Theobroma cacao] Length = 501 Score = 60.5 bits (145), Expect = 2e-07 Identities = 53/169 (31%), Positives = 76/169 (44%), Gaps = 13/169 (7%) Frame = +2 Query: 2 GSAFLPFGASYVS-LLGANSREVRMQT-NLGREQLETAVNDIARY--PNTDGARKPLA-- 163 GS L + SYV + +V QT LG L TA+ D+AR P + A K A Sbjct: 93 GSRTLTYTGSYVKGITLIKVADVNRQTLPLGLSNLRTAILDLARNEDPTDNDALKDCARA 152 Query: 164 --IVIQMICEAIRFTKISDHVVDNFGPMSPPTRLMVSLENSWGALSEGLRRVDA-----N 322 ++ QMI E+IRF I+DH+V N+ +P T +V L+ +G S ++R D N Sbjct: 153 LLLLTQMIAESIRFQLITDHIVTNWYNSAPLTLQLVELQQGFGDFSSAVQRADLPYWTNN 212 Query: 323 PTAQFFPPNNVLGFTTPAQGAAVLGVAMNYCFRSSHIAATRARTPRMAD 469 P N T Q A LG+ + ++ T +R R D Sbjct: 213 TPLPNVPNPNEFNIWTIGQAIAALGILL-------YVPRTSSRKKRQVD 254