SitesBLAST
Comparing GFF4321 PS417_22130 sugar ABC transporter ATPase to proteins with known functional sites using BLASTp with E ≤ 0.001.
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Found 20 (the maximum) hits to proteins with known functional sites (download)
7cagC Mycobacterium smegmatis lpqy-sugabc complex in the catalytic intermediate state (see paper)
50% identity, 94% coverage: 2:365/386 of query aligns to 1:359/362 of 7cagC
- binding adenosine-5'-triphosphate: A14 (≠ D19), P34 (= P39), S35 (= S40), G36 (= G41), C37 (= C42), G38 (= G43), K39 (= K44), S40 (= S45), T41 (= T46), Q79 (= Q84), L123 (= L128), R126 (= R131), Q130 (= Q135), S132 (= S137), G133 (= G138), G134 (= G139), Q135 (= Q140)
- binding magnesium ion: S40 (= S45), Q79 (= Q84)
P9WQI3 Trehalose import ATP-binding protein SugC; MtbSugC; Nucleotide-binding domain of SugABC transporter; NBD of SugABC transporter; SugABC transporter ATPase SugC; EC 7.5.2.- from Mycobacterium tuberculosis (strain ATCC 25618 / H37Rv) (see paper)
47% identity, 95% coverage: 1:365/386 of query aligns to 1:387/393 of P9WQI3
- H193 (= H194) mutation to A: Decreased hydrolysis of ATP. No change in KM, but 2-fold reduction in Vmax compared to wild-type.
1g291 Malk (see paper)
47% identity, 94% coverage: 1:363/386 of query aligns to 1:369/372 of 1g291
- binding magnesium ion: D69 (≠ G71), E71 (vs. gap), K72 (vs. gap), K79 (= K75), D80 (= D76), Y228 (= Y224), D229 (≠ N225), E292 (= E289), D293 (≠ Q290), S341 (≠ P335), E342 (≠ D336), K359 (= K353)
- binding pyrophosphate 2-: P37 (= P39), S38 (= S40), G39 (= G41), C40 (= C42), G41 (= G43), K42 (= K44), T43 (≠ S45), T44 (= T46)
2d62A Crystal structure of multiple sugar binding transport atp- binding protein
46% identity, 94% coverage: 1:361/386 of query aligns to 4:370/375 of 2d62A
P68187 Maltose/maltodextrin import ATP-binding protein MalK; EC 7.5.2.1 from Escherichia coli (strain K12) (see 5 papers)
45% identity, 95% coverage: 1:365/386 of query aligns to 1:365/371 of P68187
- A85 (= A87) mutation to M: Suppressor of EAA loop mutations in MalFG.
- K106 (≠ P108) mutation to C: Suppressor of EAA loop mutations in MalFG.
- V114 (= V116) mutation to C: Suppressor of EAA loop mutations in MalFG.
- V117 (= V119) mutation to M: Suppressor of EAA loop mutations in MalFG.
- E119 (≠ K121) mutation to K: Resistant to inhibitory effects of alpha-methylglucoside but retains transport capacity.
- A124 (≠ E126) mutation to T: Resistant to inhibitory effects of alpha-methylglucoside but retains transport capacity.
- G137 (= G139) mutation to A: Loss of maltose transport. Has greater ability to decrease mal gene expression than wild-type MalK.
- D158 (= D160) mutation to N: Loss of maltose transport but retains ability to repress mal genes.
- R228 (≠ Q230) mutation to C: Resistant to inhibitory effects of alpha-methylglucoside but retains transport capacity.
- F241 (= F243) mutation to I: Resistant to inhibitory effects of alpha-methylglucoside but retains transport capacity.
- W267 (≠ G276) mutation to G: Normal maltose transport but constitutive mal gene expression.
- G278 (vs. gap) mutation to P: Resistant to inhibitory effects of alpha-methylglucoside but retains transport capacity.
- S282 (≠ I283) mutation to L: Resistant to inhibitory effects of alpha-methylglucoside but retains transport capacity.
- G284 (= G285) mutation to S: Resistant to inhibitory effects of alpha-methylglucoside but retains transport capacity.
- G302 (≠ A306) mutation to D: Resistant to inhibitory effects of alpha-methylglucoside but retains transport capacity.
- E308 (= E312) mutation to Q: Maltose transport is affected but retains ability to interact with MalT.
- S322 (≠ D326) mutation to F: Resistant to inhibitory effects of alpha-methylglucoside but retains transport capacity.
- G340 (= G342) mutation to A: Maltose transport is affected but retains ability to interact with MalT.
- G346 (≠ Q348) mutation to S: Normal maltose transport but constitutive mal gene expression.
- F355 (= F357) mutation to Y: Maltose transport is affected but retains ability to interact with MalT.
2awnB Crystal structure of the adp-mg-bound e. Coli malk (crystallized with atp-mg) (see paper)
45% identity, 96% coverage: 2:370/386 of query aligns to 1:373/374 of 2awnB
2awoA Crystal structure of the adp-mg-bound e. Coli malk (crystallized with adp-mg) (see paper)
45% identity, 94% coverage: 2:365/386 of query aligns to 1:364/372 of 2awoA
3puyA Crystal structure of an outward-facing mbp-maltose transporter complex bound to amp-pnp after crystal soaking of the pretranslocation state (see paper)
45% identity, 94% coverage: 2:365/386 of query aligns to 1:364/371 of 3puyA
- binding phosphoaminophosphonic acid-adenylate ester: W12 (≠ Y13), V17 (≠ T20), P36 (= P39), S37 (= S40), G38 (= G41), C39 (= C42), G40 (= G43), K41 (= K44), S42 (= S45), T43 (= T46), Q81 (= Q84), R128 (= R131), A132 (≠ Q135), S134 (= S137), G135 (= G138), G136 (= G139), Q137 (= Q140), E158 (= E161), H191 (= H194)
- binding magnesium ion: S42 (= S45), Q81 (= Q84), D157 (= D160)
3puxA Crystal structure of an outward-facing mbp-maltose transporter complex bound to adp-bef3 (see paper)
45% identity, 94% coverage: 2:365/386 of query aligns to 1:364/371 of 3puxA
- binding adenosine-5'-diphosphate: W12 (≠ Y13), V17 (≠ T20), S37 (= S40), G38 (= G41), C39 (= C42), G40 (= G43), K41 (= K44), S42 (= S45), T43 (= T46), R128 (= R131), A132 (≠ Q135), L133 (= L136), S134 (= S137), Q137 (= Q140)
- binding beryllium trifluoride ion: S37 (= S40), G38 (= G41), K41 (= K44), Q81 (= Q84), S134 (= S137), G135 (= G138), G136 (= G139), E158 (= E161), H191 (= H194)
- binding magnesium ion: S42 (= S45), Q81 (= Q84), D157 (= D160)
3puwA Crystal structure of an outward-facing mbp-maltose transporter complex bound to adp-alf4 (see paper)
45% identity, 94% coverage: 2:365/386 of query aligns to 1:364/371 of 3puwA
- binding adenosine-5'-diphosphate: W12 (≠ Y13), V17 (≠ T20), S37 (= S40), G38 (= G41), C39 (= C42), G40 (= G43), K41 (= K44), S42 (= S45), T43 (= T46), R128 (= R131), A132 (≠ Q135), S134 (= S137), Q137 (= Q140)
- binding tetrafluoroaluminate ion: S37 (= S40), G38 (= G41), K41 (= K44), Q81 (= Q84), S134 (= S137), G135 (= G138), G136 (= G139), E158 (= E161), N162 (= N165), H191 (= H194)
- binding magnesium ion: S42 (= S45), Q81 (= Q84)
P19566 Maltose/maltodextrin import ATP-binding protein MalK; EC 7.5.2.1 from Salmonella typhimurium (strain LT2 / SGSC1412 / ATCC 700720) (see paper)
44% identity, 95% coverage: 1:365/386 of query aligns to 1:363/369 of P19566
- L86 (= L88) mutation to F: Loss of transport. No effect on ATP-binding activity but decrease in ATP hydrolysis. Retains repressor activity.
- P160 (= P162) mutation to L: Loss of transport. No effect on ATP-binding activity but decrease in ATP hydrolysis. Retains repressor activity.
- D165 (= D167) mutation to N: Loss of transport. No effect on ATP-binding activity but decrease in ATP hydrolysis. Retains repressor activity.
- E306 (= E312) mutation to K: Loss of transport. No effect on ATP-binding and ATP hydrolysis. Retains repressor activity.
1q12A Crystal structure of the atp-bound e. Coli malk (see paper)
45% identity, 94% coverage: 4:365/386 of query aligns to 1:362/367 of 1q12A