Structure of PDB 3gfx Chain B

Receptor sequence

>3gfxB (length=394) Species: 272620 (Klebsiella pneumoniae subsp. pneumoniae MGH 78578) [Search protein sequence]

MLTTLIYRSQVHPDRPPVDLDALVHRASSKNLPLGITGILLFNGLQFFQV
LEGTEEALESLFSEIQSDPRHRDVVELMRDYSAYRRFHGTGMRILDLRLF
ETDGALEEILRFSTFGVTEPVNDRMFRLLSAFIADGGRYCLPEPLQPSRW
MMMAPQHLPGQPCQFALQAIVEPAKKRVSSFEALIRSPTGGSPVEMFAAI
AAEDRYRFDLESKAYAFALAGQLPLGKHQLAINLLPGSLYHHPDAVGWLM
DSLLAAGLRPDQVLIEVTETEVITCFDQFRKVLKALRVAGMKLAIDDFGA
GYSGLSLLTRFQPDKIKVDAELVRDIHISGTKQAIVASVVRCCEDLGITV
VAEGVETLEEWCWLQSVGIRLFQGFLFSRPCLNGIGEICWPVAR

3D structure

PDB

3gfx Structure and mechanism of a bacterial light-regulated cyclic nucleotide phosphodiesterase.

Chain

Resolution

2.4 Å

3D
structure

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Enzymatic activity

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)
BS01	FMN	B	Y7 L23 R26 A27 K30 N31 F47 Q49 L61 E64 I65 D68 R70 H71	Y7 L23 R26 A27 K30 N31 F47 Q49 L61 E64 I65 D68 R70 H71
BS02	C2E	B	Q174 L190 I191 R192 P199 D215 N239 D302 D303 G360 E362 G380 F381	Q168 L184 I185 R186 P193 D209 N233 D296 D297 G354 E356 G374 F375
BS03	CA	B	E188 N239 E272 D302	E182 N233 E266 D296

Gene Ontology

	Molecular Function
GO:0000166	nucleotide binding
GO:0009882	blue light photoreceptor activity
GO:0042802	identical protein binding
GO:0046872	metal ion binding
GO:0071949	FAD binding

	Biological Process
GO:0009785	blue light signaling pathway

View graph for
Molecular Function

View graph for
Biological Process

External links

PDB	RCSB:3gfx, PDBe:3gfx, PDBj:3gfx
PDBsum	3gfx
PubMed	19536266
UniProt	A6T8V8

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