Structure of PDB 2q9u Chain B

Receptor sequence
>2q9uB (length=407) Species: 5741 (Giardia intestinalis) [Search protein sequence]
KYVQDQEMIPGVYWVGIVDWMVRIFHGYHTDEGSSYNSYFIDDECPTVID
SVKYPFAEEWLSRIAACCPLDKIKYVVMNHAEGDHASSLKDHYHKFTNAT
FVCTKKCQEHLKILYGMEKATWLIVDDKYTLKIGKRTLKFIPVPLLHWPD
STFTYCPEDKILFSNDGFGQHYATSRRWADECDVSHVMHLFKEYTANILG
LFSAQMRKALEVASTVEIKYILSAHGVSWRGDAMGLAIAEYDRWSKGQHC
QKKVTVVLDSMYGTTHRMALALLDGARSTGCETVLLEMTSSDITKVALHT
YDSGAVAFASPTLNNTMMPSVAAALNYVRGLTLIKGKPAFAFGAFGWSNR
AVPDIVAELRDGCKADVYDEKGITFKFNYTEELLEQAYNAGVDLGKRAIA
YCEKNAP
3D structure
PDB2q9u The O2-scavenging flavodiiron protein in the human parasite Giardia intestinalis
ChainB
Resolution1.9 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H31 H85 E87 D89 H152 D171 Y199 H230
Catalytic site (residue number reindexed from 1) H26 H80 E82 D84 H147 D166 Y194 H225
Enzyme Commision number ?
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 FMN B S265 M266 Y267 T269 T270 P316 T317 L318 N319 A349 F350 G351 W352 S353 F382 S260 M261 Y262 T264 T265 P311 T312 L313 N314 A344 F345 G346 W347 S348 F377
BS02 FEO B H85 E87 D89 H90 H152 D171 H230 H80 E82 D84 H85 H147 D166 H225
Gene Ontology
Molecular Function
GO:0000166 nucleotide binding
GO:0009055 electron transfer activity
GO:0010181 FMN binding
GO:0016491 oxidoreductase activity
GO:0046872 metal ion binding

View graph for
Molecular Function
External links
PDB RCSB:2q9u, PDBe:2q9u, PDBj:2q9u
PDBsum2q9u
PubMed18077462
UniProtQ86QZ1

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