BLASTX nr result
ID: Cornus23_contig00028396
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= Cornus23_contig00028396
(363 letters)
Database: ./nr
77,306,371 sequences; 28,104,191,420 total letters
Searching..................................................done
Score E
Sequences producing significant alignments: (bits) Value
ref|WP_025032315.1| alcohol dehydrogenase [Bradyrhizobium sp. DO... 82 2e-13
ref|WP_024506635.1| choline dehydrogenase [Bradyrhizobium sp. AR... 79 1e-12
ref|WP_019195370.1| hypothetical protein [Afipia birgiae] 79 2e-12
ref|WP_015668747.1| choline dehydrogenase a flavoprotein [Bradyr... 79 2e-12
ref|WP_057195918.1| choline dehydrogenase [Bradyrhizobium sp. Le... 78 2e-12
ref|WP_024341393.1| choline dehydrogenase [Bradyrhizobium japoni... 78 2e-12
ref|WP_050415831.1| choline dehydrogenase [Azoarcus sp. CIB] gi|... 78 3e-12
ref|WP_038956505.1| choline dehydrogenase [Bradyrhizobium japoni... 78 3e-12
ref|WP_025038243.1| choline dehydrogenase [Bradyrhizobium sp. DO... 78 3e-12
ref|WP_028160337.1| choline dehydrogenase [Bradyrhizobium japoni... 77 4e-12
ref|WP_009027615.1| choline dehydrogenase [Bradyrhizobium sp. OR... 77 4e-12
ref|WP_038936905.1| choline dehydrogenase [Bradyrhizobium japoni... 77 5e-12
ref|WP_027546964.1| alcohol dehydrogenase [Bradyrhizobium sp. WS... 77 5e-12
ref|WP_036035330.1| choline dehydrogenase [Bradyrhizobium yuanmi... 77 7e-12
ref|WP_036024751.1| choline dehydrogenase [Bradyrhizobium yuanmi... 77 7e-12
ref|WP_036013910.1| choline dehydrogenase [Bradyrhizobium yuanmi... 77 7e-12
ref|WP_008972287.1| choline dehydrogenase [Bradyrhizobium sp. ST... 77 7e-12
ref|WP_006613191.1| choline dehydrogenase [Bradyrhizobium sp. OR... 77 7e-12
ref|WP_011924972.1| choline dehydrogenase [Bradyrhizobium sp. OR... 77 7e-12
ref|WP_027574856.1| choline dehydrogenase [Bradyrhizobium sp. WS... 76 9e-12
>ref|WP_025032315.1| alcohol dehydrogenase [Bradyrhizobium sp. DOA9]
gi|608610620|dbj|GAJ31266.1| alcohol dehydrogenase
[acceptor] [Bradyrhizobium sp. DOA9]
Length = 526
Score = 82.0 bits (201), Expect = 2e-13
Identities = 41/114 (35%), Positives = 68/114 (59%)
Frame = -1
Query: 363 PSWPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIP 184
P W +SD++ + + EN + P HG SGP+ ++D +D +E ++ A+ + G+P
Sbjct: 108 PGWAWSDVLPKFIAFEN--NARFADDPFHGTSGPLHVADVPFVDPNELKWLEAAQAAGLP 165
Query: 183 YNPNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVI 22
+NP+ + + + G+G+ F IR G R AYL+PAL+R NL A+VTR+I
Sbjct: 166 HNPDFNGAVQEGAGFFQFVIRDGERFGTGKAYLRPALTRPNLVLKTGARVTRII 219
>ref|WP_024506635.1| choline dehydrogenase [Bradyrhizobium sp. ARR65]
Length = 543
Score = 79.3 bits (194), Expect = 1e-12
Identities = 44/113 (38%), Positives = 62/113 (54%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W + DL+ + AEN + Q HG +GP+ +SD D FV A+V GIPYN
Sbjct: 126 WGFDDLLPYFKKAENQCRGADQY---HGAAGPLPVSDWRHADPLSEAFVKAAVEAGIPYN 182
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G+G+ R+G R S A+AYL+PAL R NL A RV+F
Sbjct: 183 PDFNGATQEGAGFFQTTTRKGRRASTAVAYLRPALHRGNLRVETSALGQRVLF 235
>ref|WP_019195370.1| hypothetical protein [Afipia birgiae]
Length = 532
Score = 78.6 bits (192), Expect = 2e-12
Identities = 47/114 (41%), Positives = 64/114 (56%), Gaps = 1/114 (0%)
Frame = -1
Query: 357 WPYSDLINR-IRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPY 181
W Y D++ +RS V GSS HG SGP+ +SD A F++A+ GIP
Sbjct: 116 WGYDDVLPYFVRSENQVRGSSTY----HGASGPLAVSDLADRYELCDAFIDAAEQVGIPR 171
Query: 180 NPNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
N + + + G+GY R G+R SAA A+LKPAL RSNL AQV+R++F
Sbjct: 172 NADFNGEQQEGAGYYQLTTRNGLRCSAAKAFLKPALRRSNLRLETNAQVSRILF 225
>ref|WP_015668747.1| choline dehydrogenase a flavoprotein [Bradyrhizobium
oligotrophicum] gi|456357216|dbj|BAM91661.1| choline
dehydrogenase, a flavoprotein [Bradyrhizobium
oligotrophicum S58]
Length = 541
Score = 78.6 bits (192), Expect = 2e-12
Identities = 42/113 (37%), Positives = 64/113 (56%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W + D++ + AEN S + HG+ GP+ +SD D FV ASV G+P+N
Sbjct: 124 WGHDDVLPYFKRAEN---QSRGADDYHGVDGPLPVSDWRHEDPLSEAFVKASVEAGLPFN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
+ + + + G+GY RRG R S+A++YL+PAL RSNL+ A R++F
Sbjct: 181 ADFNGASQEGAGYFQTTTRRGRRASSAVSYLRPALGRSNLHVETDALAQRILF 233
>ref|WP_057195918.1| choline dehydrogenase [Bradyrhizobium sp. Leaf396]
gi|945269068|gb|KQT26932.1| choline dehydrogenase
[Bradyrhizobium sp. Leaf396]
Length = 541
Score = 78.2 bits (191), Expect = 2e-12
Identities = 42/113 (37%), Positives = 61/113 (53%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN + + Q HG GP+ +S+ V D F++A+V G+PYN
Sbjct: 124 WGYDDVLPYFKKAENQSRGADQY---HGTGGPLPVSNMIVTDPLSKAFIDAAVETGLPYN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G G R G R S A+AYL PA SRSNL A R++F
Sbjct: 181 PDFNGATQEGVGLFQTTTRNGRRASTAVAYLGPAKSRSNLKIETSAHAQRLLF 233
>ref|WP_024341393.1| choline dehydrogenase [Bradyrhizobium japonicum]
Length = 541
Score = 78.2 bits (191), Expect = 2e-12
Identities = 42/113 (37%), Positives = 61/113 (53%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN + + Q HG GP+ +S+ V D F++A+V G+PYN
Sbjct: 124 WGYDDVLPYFKKAENQSRGADQY---HGTGGPLPVSNMIVTDPLSKAFIDAAVETGLPYN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G G R G R S A+AYL PA SRSNL A R++F
Sbjct: 181 PDFNGATQEGVGLFQTTTRNGRRASTAVAYLGPAKSRSNLKIETSAHAQRLLF 233
>ref|WP_050415831.1| choline dehydrogenase [Azoarcus sp. CIB]
gi|909829200|gb|AKU11998.1| glucose-methanol-choline
oxidoreductase [Azoarcus sp. CIB]
Length = 533
Score = 77.8 bits (190), Expect = 3e-12
Identities = 40/115 (34%), Positives = 64/115 (55%)
Frame = -1
Query: 363 PSWPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIP 184
P W +SD++ R +E+ + HG+ GP+ +SD +V ++ A+ + G+P
Sbjct: 112 PGWGWSDVLPYFRRSEDQVRGA---DAFHGVGGPLGVSDVSVRHPLAEAYIAAARASGLP 168
Query: 183 YNPNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
+ + + G GY +R+G+R S A AYL+PAL RSNL + AQVT V+F
Sbjct: 169 LREDFNGDLQEGVGYFQMTVRKGIRSSTANAYLRPALKRSNLRVVTNAQVTHVLF 223
>ref|WP_038956505.1| choline dehydrogenase [Bradyrhizobium japonicum]
Length = 541
Score = 77.8 bits (190), Expect = 3e-12
Identities = 43/113 (38%), Positives = 61/113 (53%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN T + Q HG GP+ +S+ V D F++A+V G+PYN
Sbjct: 124 WAYDDVLPYFKKAENQTRGADQY---HGSGGPLPVSNMVVTDPLSKAFMDAAVEIGLPYN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G G R G R S A+AYL PA +RSNL A RV+F
Sbjct: 181 PDFNGATQEGVGLFQTTTRNGRRASTAVAYLGPAKARSNLKIETDALGQRVLF 233
>ref|WP_025038243.1| choline dehydrogenase [Bradyrhizobium sp. DOA9]
gi|608616689|dbj|GAJ37335.1| alcohol dehydrogenase
[acceptor] [Bradyrhizobium sp. DOA9]
Length = 541
Score = 77.8 bits (190), Expect = 3e-12
Identities = 41/113 (36%), Positives = 61/113 (53%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN + + Q HG GP+ +S+ V D F++A+V G+PYN
Sbjct: 124 WGYDDVLPYFKKAENQSRGADQY---HGTGGPLPVSNMIVTDPLSKAFIDAAVETGLPYN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G G R G R S ++AYL PA SRSNL A R++F
Sbjct: 181 PDFNGATQEGVGLFQTTTRNGRRASTSVAYLGPAKSRSNLKIETSAHAQRILF 233
>ref|WP_028160337.1| choline dehydrogenase [Bradyrhizobium japonicum]
gi|712697895|gb|KGT73386.1| choline dehydrogenase
[Bradyrhizobium japonicum]
Length = 541
Score = 77.4 bits (189), Expect = 4e-12
Identities = 43/113 (38%), Positives = 61/113 (53%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN T + Q HG GP+ +S+ V D F++A+V G+PYN
Sbjct: 124 WGYDDVLPYFKKAENQTRGADQY---HGSGGPLPVSNMVVTDPLSKAFIDAAVETGLPYN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G G R G R S A+AYL PA +RSNL A RV+F
Sbjct: 181 PDFNGATQEGVGLFQTTTRNGRRASTAVAYLGPAKTRSNLKVETEALGQRVLF 233
>ref|WP_009027615.1| choline dehydrogenase [Bradyrhizobium sp. ORS 375]
gi|365291165|emb|CCD92634.1| choline dehydrogenase, a
flavoprotein; alcohol dehydrogenase [Bradyrhizobium sp.
ORS 375]
Length = 541
Score = 77.4 bits (189), Expect = 4e-12
Identities = 43/116 (37%), Positives = 66/116 (56%), Gaps = 3/116 (2%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPG---HGLSGPIQISDAAVIDYSETVFVNASVSYGI 187
W Y D++ + AEN QS+ G HG+ GP+ +SD D FV A+V G+
Sbjct: 124 WGYDDVLPYFKRAEN------QSRGGDDYHGVGGPLPVSDWRHEDPLSEAFVKAAVETGL 177
Query: 186 PYNPNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+N + + + + G+G+ RRG R S+A++YL+PAL RSNL+ A R++F
Sbjct: 178 PFNGDFNGASQEGAGFFQTTTRRGRRASSAVSYLRPALGRSNLHVETDALAQRILF 233
>ref|WP_038936905.1| choline dehydrogenase [Bradyrhizobium japonicum]
Length = 541
Score = 77.0 bits (188), Expect = 5e-12
Identities = 43/113 (38%), Positives = 61/113 (53%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN T + Q HG GP+ +S+ V D F++A+V G+PYN
Sbjct: 124 WGYDDVLPYFKKAENQTRGADQY---HGSGGPLPVSNMVVTDPLSKAFMDAAVETGLPYN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G G R G R S A+AYL PA +RSNL A RV+F
Sbjct: 181 PDFNGATQEGVGLFQTTTRNGRRASTAVAYLGPAKARSNLKIETDALGQRVLF 233
>ref|WP_027546964.1| alcohol dehydrogenase [Bradyrhizobium sp. WSM2254]
Length = 526
Score = 77.0 bits (188), Expect = 5e-12
Identities = 38/112 (33%), Positives = 66/112 (58%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W + D++ + + EN + P HG SGP+ ++D +D +E ++ A+ + G+P+N
Sbjct: 110 WAWRDVLPKFIAFEN--NARFTDDPLHGTSGPLYVADVPHVDPNELKWLEAAQAAGLPHN 167
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVI 22
P+ + + + G+G+ F IR G R AYL+PAL+R+NL +VTR+I
Sbjct: 168 PDFNGATQEGAGFFQFVIRDGERFGTGKAYLRPALTRANLTLKTSVRVTRII 219
>ref|WP_036035330.1| choline dehydrogenase [Bradyrhizobium yuanmingense]
Length = 541
Score = 76.6 bits (187), Expect = 7e-12
Identities = 40/113 (35%), Positives = 61/113 (53%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN + + Q HG GP+ +S+ V D F++A+V G+PYN
Sbjct: 124 WGYDDVLPYFKKAENQSRGADQY---HGTGGPLPVSNMIVTDPLSKAFIDAAVESGLPYN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G G R G R S ++AYL PA +RSNL A R++F
Sbjct: 181 PDFNGATQEGVGLFQTTTRNGRRASTSVAYLGPAKARSNLKIETSAHAQRILF 233
>ref|WP_036024751.1| choline dehydrogenase [Bradyrhizobium yuanmingense]
Length = 541
Score = 76.6 bits (187), Expect = 7e-12
Identities = 40/113 (35%), Positives = 61/113 (53%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN + + Q HG GP+ +S+ V D F++A+V G+PYN
Sbjct: 124 WGYDDVLPYFKKAENQSRGADQY---HGTGGPLPVSNMIVTDPLSKAFIDAAVESGLPYN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G G R G R S ++AYL PA +RSNL A R++F
Sbjct: 181 PDFNGATQEGVGLFQTTTRNGRRASTSVAYLGPAKARSNLKIETSAHAQRILF 233
>ref|WP_036013910.1| choline dehydrogenase [Bradyrhizobium yuanmingense]
Length = 541
Score = 76.6 bits (187), Expect = 7e-12
Identities = 40/113 (35%), Positives = 61/113 (53%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN + + Q HG GP+ +S+ V D F++A+V G+PYN
Sbjct: 124 WGYDDVLPYFKKAENQSRGADQY---HGTGGPLPVSNMIVTDPLSKAFIDAAVESGLPYN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G G R G R S ++AYL PA +RSNL A R++F
Sbjct: 181 PDFNGATQEGVGLFQTTTRNGRRASTSVAYLGPAKARSNLKIETSAHAQRILF 233
>ref|WP_008972287.1| choline dehydrogenase [Bradyrhizobium sp. STM 3843]
gi|365419945|emb|CCE09776.1| choline dehydrogenase, a
flavoprotein; alcohol dehydrogenase [Bradyrhizobium sp.
STM 3843]
Length = 542
Score = 76.6 bits (187), Expect = 7e-12
Identities = 41/113 (36%), Positives = 60/113 (53%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN + HG GP+ +SD D FV A+V G+PYN
Sbjct: 125 WGYEDVLPYFKRAEN---QQRGADDYHGAGGPLSVSDWRHEDPLSEAFVKAAVETGLPYN 181
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G+G+ RG R S+A YL+PA RSNL+ AQ R++F
Sbjct: 182 PDFNGAAQEGAGFFQTTTIRGRRASSAFCYLRPAKHRSNLHIETDAQAERIVF 234
>ref|WP_006613191.1| choline dehydrogenase [Bradyrhizobium sp. ORS 285]
gi|365271743|emb|CCD87850.1| choline dehydrogenase, a
flavoprotein; alcohol dehydrogenase [Bradyrhizobium sp.
ORS 285]
Length = 541
Score = 76.6 bits (187), Expect = 7e-12
Identities = 43/116 (37%), Positives = 65/116 (56%), Gaps = 3/116 (2%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPG---HGLSGPIQISDAAVIDYSETVFVNASVSYGI 187
W Y D++ + AEN QS+ G HG+ GP+ +SD D FV A+V G+
Sbjct: 124 WGYDDVLPYFKRAEN------QSRGGDDYHGVGGPLPVSDWRHDDPLSEAFVKAAVEAGL 177
Query: 186 PYNPNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+N + + + + G G+ RRG R S+A++YL+PAL RSNL+ A R++F
Sbjct: 178 PFNADFNGASQEGVGFFQTTTRRGRRASSAVSYLRPALGRSNLHVETDALAQRILF 233
>ref|WP_011924972.1| choline dehydrogenase [Bradyrhizobium sp. ORS 278]
gi|146191739|emb|CAL75744.1| choline dehydrogenase, a
flavoprotein; alcohol dehydrogenase [Bradyrhizobium sp.
ORS 278]
Length = 541
Score = 76.6 bits (187), Expect = 7e-12
Identities = 41/113 (36%), Positives = 63/113 (55%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN S + HG GP+ +SD D FV A+V G+P+N
Sbjct: 124 WGYDDVLPYFKRAEN---QSRGADDYHGTGGPLPVSDWRHEDPLSEAFVKAAVETGLPFN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
+ + + + G+G+ RRG R S+A++YL+PAL RSNL+ A R++F
Sbjct: 181 GDFNGASQEGAGFFQTTTRRGRRASSAVSYLRPALGRSNLHVETDALAQRILF 233
>ref|WP_027574856.1| choline dehydrogenase [Bradyrhizobium sp. WSM1743]
Length = 541
Score = 76.3 bits (186), Expect = 9e-12
Identities = 41/113 (36%), Positives = 60/113 (53%)
Frame = -1
Query: 357 WPYSDLINRIRSAENVTGSSLQSQPGHGLSGPIQISDAAVIDYSETVFVNASVSYGIPYN 178
W Y D++ + AEN S + HG GP+ +S+ V D F++A+V G+PYN
Sbjct: 124 WGYDDVLPYFKKAEN---QSRGADRYHGTGGPLPVSNMIVTDPLSKAFIDAAVETGLPYN 180
Query: 177 PNLDASPRYGSGYGLFNIRRGVRDSAAIAYLKPALSRSNLNFINPAQVTRVIF 19
P+ + + + G G R G R S A+AYL PA +RSNL A R++F
Sbjct: 181 PDFNGATQEGVGLFQTTTRNGRRASTAVAYLGPAKARSNLKIETGALAQRILF 233