SitesBLAST

Q0QLF3 Nicotinate dehydrogenase small FeS subunit; NDH; Nicotinic acid hydroxylase small FeS subunit; NAH; EC 1.17.1.5 from Eubacterium barkeri (Clostridium barkeri) (see paper)
36% identity, 94% coverage: 3:148/155 of query aligns to 5:148/157 of Q0QLF3

query
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Q0QLF3

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C42 (= C40) binding [2Fe-2S] cluster
C47 (= C45) binding [2Fe-2S] cluster
C50 (= C48) binding [2Fe-2S] cluster
C62 (= C60) binding [2Fe-2S] cluster
C101 (= C102) binding [2Fe-2S] cluster
C104 (= C105) binding [2Fe-2S] cluster
C136 (= C136) binding [2Fe-2S] cluster
C138 (= C138) binding [2Fe-2S] cluster

1jroA Crystal structure of xanthine dehydrogenase from rhodobacter capsulatus (see paper)
37% identity, 90% coverage: 5:144/155 of query aligns to 4:142/450 of 1jroA

query
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1jroA

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binding flavin-adenine dinucleotide: G42 (= G43), D43 (≠ V44)
binding fe2/s2 (inorganic) cluster: E37 (≠ Y38), G38 (= G39), C39 (= C40), N40 (≠ G41), G42 (= G43), C44 (= C45), G45 (≠ Q46), C47 (= C48), C63 (= C60), C103 (= C102), C106 (= C105), C134 (= C136), C136 (= C138)

Sites not aligning to the query:

binding flavin-adenine dinucleotide: 189, 191, 192, 193, 194, 195, 196, 258, 259, 268, 271, 272, 274, 280, 281, 318, 324

2w54A Crystal structure of xanthine dehydrogenase from rhodobacter capsulatus in complex with bound inhibitor pterin-6-aldehyde (see paper)
38% identity, 90% coverage: 5:144/155 of query aligns to 4:142/450 of 2w54A

query
sites
2w54A

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binding flavin-adenine dinucleotide: G42 (= G43)
binding fe2/s2 (inorganic) cluster: G38 (= G39), C39 (= C40), N40 (≠ G41), G42 (= G43), C44 (= C45), G45 (≠ Q46), C47 (= C48), C63 (= C60), C103 (= C102), G104 (= G103), C106 (= C105), C134 (= C136), R135 (= R137), C136 (= C138)
binding {[(5aR,8R,9aR)-2-amino-4-oxo-6,7-di(sulfanyl-kappaS)-3,5,5a,8,9a,10-hexahydro-4H-pyrano[3,2-g]pteridin-8-yl]methyl dihydrogenato(2-) phosphate}(hydroxy)oxo(thioxo)molybdenum: Q102 (= Q101), C136 (= C138)

Sites not aligning to the query:

binding flavin-adenine dinucleotide: 189, 191, 192, 193, 194, 195, 196, 199, 213, 258, 259, 267, 268, 271, 272, 274, 275, 280, 281, 318, 324, 347

1sb3C Structure of 4-hydroxybenzoyl-coa reductase from thauera aromatica (see paper)
34% identity, 95% coverage: 6:153/155 of query aligns to 7:152/161 of 1sb3C

query
sites
1sb3C

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binding fe2/s2 (inorganic) cluster: Q39 (≠ Y38), C41 (= C40), G44 (= G43), C46 (= C45), G47 (≠ Q46), C49 (= C48), C61 (= C60), C100 (= C102), G101 (= G103), C103 (= C105), C135 (= C136), C137 (= C138)
binding (molybdopterin-cytosine dinucleotide-s,s)-dioxo-aqua-molybdenum(v): Q99 (= Q101), C137 (= C138)

G3X982 Aldehyde oxidase 3; Aldehyde oxidase homolog 1; Azaheterocycle hydroxylase 3; EC 1.2.3.1; EC 1.17.3.- from Mus musculus (Mouse) (see paper)
32% identity, 92% coverage: 6:147/155 of query aligns to 12:163/1335 of G3X982

query
sites
G3X982

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C47 (= C40) binding [2Fe-2S] cluster
C52 (= C45) binding [2Fe-2S] cluster
C55 (= C48) binding [2Fe-2S] cluster
C77 (= C60) binding [2Fe-2S] cluster
Q116 (= Q101) binding Mo-molybdopterin
C117 (= C102) binding [2Fe-2S] cluster
C120 (= C105) binding [2Fe-2S] cluster
C152 (= C136) binding [2Fe-2S] cluster
C154 (= C138) binding [2Fe-2S] cluster

Sites not aligning to the query:

264:271 binding FAD
354 binding FAD
358 binding FAD
367 binding FAD
411 binding FAD
802 binding Mo-molybdopterin
807 A→V: No effect on kinetic constants with smaller substrates like benzaldehyde or phthalazine. Decreases substrate affinity and slightly increases catalytic efficiency for bulkier substrates like phenanthridine.
885 Y→M: Slightly decreases substrate affinity but no effect on activity with smaller substrates like benzaldehyde or phthalazine. Increases catalytic efficiency with bulkier substrates like phenanthridine or more charged substrates like N1-methylnicotinamide.
889 K→H: No effect on substrate affinity but decreases catalytic efficiency for smaller substrates like benzaldehyde or phthalazine. Increases substrate affinity and activity for bulkier substrates like phenanthridine.
1043 binding Mo-molybdopterin
1199 binding Mo-molybdopterin
1266 E→Q: Loss of activity with different N-heterocyclic compounds as substrates. 60% reduction of activity with benzaldehyde.

Query Sequence

>WP_037571353.1 NCBI__GCF_000744815.1:WP_037571353.1
MPTHSFILNGRRVSVDTEDDVRLLWVVRDLLGVTGPKYGCGLGVCQACTSHLNGKAVNLC
SIPVSDLSPDDEITTIEGLPATVGKDLHPMQQAWLDRDVAQCGYCQPGQIMAAVAKVREA
GGALSDADYDEIRNICRCGTYHRIREAIAQGAAEM

Or try a new SitesBLAST search

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