Structure of PDB 3ab1 Chain B

Receptor sequence
>3ab1B (length=336) Species: 1097 (Chlorobaculum tepidum) [Search protein sequence]
DMRDLTIIGGGPTGIFAAFQCGMNNISCRIIESMPQLGGQLAALYPEKHI
YDVAGFPEVPAIDLVESLWAQAERYNPDVVLNETVTKYTKLDDGTFETRT
NTGNVYRSRAVLIAAGLGAFEPRKLPQLGNIDHLTGSSVYYAVKSVEDFK
GKRVVIVGGGDSALDWTVGLIKNAASVTLVHRGHEFQGHGKTAHEVERAR
ANGTIDVYLETEVASIEESNGVLTRVHLRSSDGSKWTVEADRLLILIGFK
SNLGPLARWDLELYENALVVDSHMKTSVDGLYAAGDIAYYPGKLKIIQTG
LSEATMAVRHSLSYIKPGEKIRNVFSSVKMAKEKKA
3D structure
PDB3ab1 Asymmetric dimeric structure of ferredoxin-NAD(P)+ oxidoreductase from the green sulfur bacterium Chlorobaculum tepidum: implications for binding ferredoxin and NADP+
ChainB
Resolution2.39 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) K156 S157
Catalytic site (residue number reindexed from 1) K144 S145
Enzyme Commision number 1.18.1.2: ferredoxin--NADP(+) reductase.
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 FAD B F337 S339 F325 S327
BS02 FAD B I20 G21 G23 P24 T25 E44 S45 G51 Q52 L53 Y57 D64 T96 V97 A127 G128 G130 A131 F132 D298 I308 I309 I8 G9 G11 P12 T13 E32 S33 G39 Q40 L41 Y45 D52 T84 V85 A115 G116 G118 A119 F120 D286 I296 I297
Gene Ontology
Molecular Function
GO:0004324 ferredoxin-NADP+ reductase activity
GO:0004791 thioredoxin-disulfide reductase (NADPH) activity
GO:0016491 oxidoreductase activity
GO:0050660 flavin adenine dinucleotide binding
GO:0050661 NADP binding
Biological Process
GO:0045454 cell redox homeostasis
GO:0098869 cellular oxidant detoxification

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Molecular Function
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Biological Process
External links
PDB RCSB:3ab1, PDBe:3ab1, PDBj:3ab1
PDBsum3ab1
PubMed20600130
UniProtQ8KCB2|FENR_CHLTE Ferredoxin--NADP reductase (Gene Name=CT1512)

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