Structure of PDB 1fcb Chain B

Receptor sequence
>1fcbB (length=400) Species: 4932 (Saccharomyces cerevisiae) [Search protein sequence]
GETKEDIARKEQLKSLLPPLDNIINLYDFEYLASQTLTKQAWAYYSSGAN
DEVTHRENHNAYHRIFFKPKILVDVRKVDISTDMLGSHVDVPFYVSATAL
CKLGNPLEGEKDVARGCGQGVTKVPQMISTLASCSPEEIIEAAPSDKQIQ
WYQLYVNSDRKITDDLVKNVEKLGVKALFVTVDAPSLGQREKDMKLKFSN
VEESQGASRALSKFIDPSLTWKDIEELKKKTKLPIVIKGVQRTEDVIKAA
EIGVSGVVLSNHGGRQLDFSRAPIEVLAETMPILEQRNLKDKLEVFVDGG
VRRGTDVLKALCLGAKGVGLGRPFLYANSCYGRNGVEKAIEILRDEIEMS
MRLLGVTSIAELKPDLLDLSTLKARTVGVPNDVLYNEVYEGPTLTEFEDA
3D structure
PDB1fcb Molecular structure of flavocytochrome b2 at 2.4 A resolution.
ChainB
Resolution2.4 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) S228 Y254 T280 D282 K349 H373
Catalytic site (residue number reindexed from 1) S129 Y155 T181 D183 K238 H262
Enzyme Commision number 1.1.2.3: L-lactate dehydrogenase (cytochrome).
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 Y144 S195 A196 T197 A198 S228 Q252 K349 H373 G374 R376 D409 G410 R413 L431 G432 R433 Y45 S96 A97 T98 A99 S129 Q153 K238 H262 G263 R265 D298 G299 R302 L320 G321 R322
BS02 PYR B Y143 Y254 H373 Y44 Y155 H262
Gene Ontology
Molecular Function
GO:0016491 oxidoreductase activity
GO:0020037 heme binding

View graph for
Molecular Function
External links
PDB RCSB:1fcb, PDBe:1fcb, PDBj:1fcb
PDBsum1fcb
PubMed2329585
UniProtP00175|CYB2_YEAST L-lactate dehydrogenase (cytochrome) (Gene Name=CYB2)

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