Structure of PDB 2ohj Chain B

Receptor sequence
>2ohjB (length=403) Species: 145262 (Methanothermobacter thermautotrophicus) [Search protein sequence]
MKAAAKRISDGVYWTGVLDWDLRNYHGYTLQGTTYNAYLVCGDEGVALID
NSYPGTFDELMARVEDALQQVGMERVDYIIQNHVEKDHSGVLVELHRRFP
EAPIYCTEVAVKGLLKHYPSLREAEFMTVKTGDVLDLGGKTLTFLETPLL
HWPDSMFTLLDEDGILFSNDAFGQHLCCPQRLDREIPEYILMDAARKFYA
NLITPLSKLVLKKFDEVKELGLLERIQMIAPSHGQIWTDPMKIIEAYTGW
ATGMVDERVTVIYDTMHGSTRKMAHAIAEGAMSEGVDVRVYCLHEDDRSE
IVKDILESGAIALGAPTIYDEPYPSVGDLLMYLRGLKFNRTLTRKALVFG
SMGGNGGATGTMKELLAEAGFDVACEEEVYYVPTGDELDACFEAGRKLAA
EIR
3D structure
PDB2ohj Structure of coenzyme F420H2 oxidase (FprA), a di-iron flavoprotein from methanogenic Archaea catalyzing the reduction of O2 to H2O.
ChainB
Resolution2.26 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H26 H83 E85 D87 H151 D170 F198 H233
Catalytic site (residue number reindexed from 1) H26 H83 E85 D87 H151 D170 F198 H233
Enzyme Commision number 1.5.3.22: coenzyme F420H2 oxidase.
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 H26 H151 H26 H151
BS02 FE B H88 D170 H233 H88 D170 H233
BS03 FE B H26 E85 H26 E85
BS04 FMN B T265 M266 H267 S269 T270 P316 T317 I318 Y319 S351 M352 G353 G354 G356 Y381 T265 M266 H267 S269 T270 P316 T317 I318 Y319 S351 M352 G353 G354 G356 Y381
Gene Ontology
Molecular Function
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:2ohj, PDBe:2ohj, PDBj:2ohj
PDBsum2ohj
PubMed17480207
UniProtQ50497|FPRA_METTM Coenzyme F420H(2) oxidase (Gene Name=fprA)

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