SitesBLAST
Comparing Pf1N1B4_1689 FitnessBrowser__pseudo1_N1B4:Pf1N1B4_1689 to proteins with known functional sites using BLASTp with E ≤ 0.001.
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Found 9 hits to proteins with known functional sites (download)
P54582 Glycine betaine transporter BetP; Glycine betaine permease from Corynebacterium glutamicum (strain ATCC 13032 / DSM 20300 / BCRC 11384 / JCM 1318 / LMG 3730 / NCIMB 10025) (see 6 papers)
39% identity, 70% coverage: 40:496/651 of query aligns to 97:556/595 of P54582
- W101 (= W44) mutation to A: Mainly monomeric, shows a decrease in activity and cannot be activated in response to increased osmolality; when associated with A-351.
- E135 (= E78) mutation to A: Strongly decreased betaine transport.
- G149 (= G92) mutation to A: Decreases betaine transport. No effect on activation by increased osmolality.
- M150 (≠ I93) mutation to F: No effect on activation by increased osmolality; when associated with A-152.
- G151 (≠ S94) mutation to A: Nearly abolishes betaine transport.
- I152 (= I95) mutation to A: No effect on activation by increased osmolality; when associated with F-150.
- IG 152:153 (≠ IT 95:96) binding
- G153 (≠ T96) mutation to A: Decreases betaine transport and alters activation at higher osmolality.; mutation to D: Changes substrate specificity, giving rise to proton-coupled choline transport. Decreases sodium-dependent betaine transport.
- F156 (= F99) mutation to A: Decreases betaine transport, but has no major effect on affinity for glycine betaine.
- W189 (= W134) mutation to C: Mildly decreased betaine transport.
- W194 (= W139) mutation to L: Strongly decreased betaine transport.
- Y197 (≠ F142) mutation to L: Nearly abolishes betaine transport.
- R210 (= R155) mutation to A: Nearly abolishes betaine transport.
- S253 (≠ D197) binding
- G301 (= G244) mutation to L: Strongly decreased betaine transport.
- N309 (= N252) mutation to A: Decreases affinity for sodium ions.
- T351 (≠ D293) mutation to A: Mainly trimeric, but shows reduced activity at high osmolalities. Mainly monomeric, shows a decrease in activity and cannot be activated in response to increased osmolality; when associated with A-101.
- W362 (= W303) mutation to C: Strongly decreased betaine transport.
- W366 (= W307) mutation to C: No effect on betaine transport.
- F369 (= F310) mutation to G: Decreases affinity for glycine betaine. Decreases betaine transport.
- W371 (= W312) mutation to L: No effect on betaine transport.
- W373 (= W314) mutation to A: Strongly decreases affinity for glycine betaine and betaine transport.
- WWISW 373:377 (≠ WWIAW 314:318) binding
- W374 (= W315) mutation to A: Strongly decreases betaine transport, but has no major effect on affinity for glycine betaine.; mutation to L: No effect on betaine transport.
- W377 (= W318) mutation to A: Abolishes betaine transport.; mutation to L: Nearly abolishes betaine transport.
- F380 (= F321) mutation to A: Decreases betaine transport, but has no effect on affinity for glycine betaine.
- F384 (= F325) mutation to A: Decreases betaine transport, but has no effect on affinity for glycine betaine.
- R387 (= R328) mutation to A: Mildly decreased betaine transport.
- R392 (= R333) mutation to K: Moderately decreased betaine transport.
4llhA Substrate bound outward-open state of the symporter betp (see paper)
39% identity, 70% coverage: 40:496/651 of query aligns to 41:497/524 of 4llhA
- binding 2-(trimethyl-lambda~5~-arsanyl)ethanol: M94 (≠ I93), G95 (≠ S94), D97 (≠ T96), W314 (= W314), W315 (= W315), W318 (= W318)
- binding 5-cyclohexyl-1-pentyl-beta-d-maltoside: R495 (≠ Q494)
- binding sodium ion: A91 (= A90), M94 (≠ I93), G95 (≠ S94), F405 (= F409), T408 (= T412), S409 (= S413)
Sites not aligning to the query:
3p03C Crystal structure of betp-g153d with choline bound (see paper)
39% identity, 70% coverage: 40:496/651 of query aligns to 41:496/508 of 3p03C
P31553 L-carnitine/gamma-butyrobetaine antiporter from Escherichia coli (strain K12) (see 3 papers)
28% identity, 67% coverage: 36:473/651 of query aligns to 45:482/504 of P31553
- Y114 (≠ T107) binding ; mutation to L: Small decrease in transport activity.
- W142 (= W134) binding
- D288 (≠ Q278) mutation to A: Retains 70% of transport activity. Forms mostly monomers.; mutation to R: Abolishes transport activity. Forms mostly monomers.; mutation to W: Retains 4% of transport activity. Forms mostly monomers.
- M295 (≠ G285) mutation to E: Does not affect transport activity. Forms mostly monomers. Can also form small amounts of homodimers and homotrimers.
- R299 (≠ M289) mutation to A: Does not affect transport activity. Forms mostly monomers. Can also form small amounts of homodimers and homotrimers. Shows a high tendency to aggregate.
- T304 (≠ D298) mutation to A: Does not affect transport activity. Forms mostly monomers. Shows a high tendency to aggregate.
- GW 315:316 (= GW 306:307) binding
- W316 (= W307) mutation to L: Decrease in transport activity.
- W323 (= W314) binding ; mutation to L: Abolishes transport activity.
- WW 323:324 (= WW 314:315) binding
- W324 (= W315) mutation to L: Abolishes transport activity.
- Y327 (≠ W318) mutation to L: Strong decrease in transport activity.
- YAIQ 327:330 (≠ WSPF 318:321) binding
- Q330 (≠ F321) mutation to L: Decrease in transport activity.
- M331 (≠ V322) binding
3hfxA Crystal structure of carnitine transporter (see paper)
28% identity, 67% coverage: 36:473/651 of query aligns to 34:471/493 of 3hfxA
2wsxA Crystal structure of carnitine transporter from escherichia coli (see paper)
28% identity, 67% coverage: 36:473/651 of query aligns to 38:475/496 of 2wsxA
2wswA Crystal structure of carnitine transporter from proteus mirabilis (see paper)
28% identity, 67% coverage: 36:473/651 of query aligns to 50:487/508 of 2wswA
4m8jA Crystal structure of cait r262e bound to gamma-butyrobetaine (see paper)
28% identity, 67% coverage: 36:473/651 of query aligns to 37:474/495 of 4m8jA
B4EY22 L-carnitine/gamma-butyrobetaine antiporter from Proteus mirabilis (strain HI4320) (see 2 papers)
28% identity, 67% coverage: 36:473/651 of query aligns to 45:482/514 of B4EY22
- E111 (= E104) mutation to A: Abolishes transport activity.
- R262 (≠ N252) mutation R->A,E: Strong decrease in L-carnitine transport. Mutant is Na(+)-dependent for substrate binding and transport.
- W316 (= W307) mutation to A: 2.5-fold decrease in Vmax.
- M331 (≠ V322) mutation to V: 10-fold decrease in Vmax.
Query Sequence
>Pf1N1B4_1689 FitnessBrowser__pseudo1_N1B4:Pf1N1B4_1689
MNPPVFYFAATFILLFAVVVMAIPEQAGAWLLEAQNWAANTVGWYYMLAMTLYLVFVVVT
ALSGYGKIKLGADHDEPEFSYLSWAGMLFAAGISITLFFFCVSEPLTHLAQPPQGEAGTA
DAARQAMQILFLHWGLHGWGVFAFVGMALAYFAYRHNLPLALRSALYPLIGKRINGPIGY
AVDGFGIIATVFGLGADMGFGVLHLNSGLDYLFGIAHTQWIQVGLITLMMGAAIIVAVSG
VDKGVRVMSDINMLLACALLLFVLFAGPTQHLLNTLIQNLGDYLGALPMKSFDLYAYDKP
SDWLGGWTVFYWAWWIAWSPFVGLFIARISRGRTIREFVFGVLLIPLGFTLAWMSIFGNS
AIDQVLNHGMSALGMSAIDNPSMTLYLLLETYPWSKTVIAVTVFISFVFFVTSADSGTVV
LSTLSAKGGNPDEDGPKWLRVFWGAMTALVTSALLFSGSIDALKSAVVLTSLPFSLILLL
MMWGLHKAFYLESQKQIAQLHSLAPVSGSRRGGWRQRLSQAVHFPSRDEVYRFLDTTVRP
AIEEVTAVFVEKGLHVVTQPDPANDNVSLEIGHGELHPFIYQVQMRGYFTPSFARGGMGS
KQLNNRRYHRAEVHLREGSQDYDLVGYTKEQVINDILDQYERHMQFLHLVR
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SitesBLAST's Database
SitesBLAST's database includes
(1) SwissProt
entries with experimentally-supported functional features;
and (2) protein structures with bound ligands, from the
BioLip database.
by Morgan Price,
Arkin group
Lawrence Berkeley National Laboratory