Structure of PDB 3gg0 Chain B

Receptor sequence

>3gg0B (length=394) Species: 272620 (Klebsiella pneumoniae subsp. pneumoniae MGH 78578)

MLTTLIYRSQVHPDRPPVDLDALVHRASSKNLPLGITGILLFNGLQFFQV
LEGTEEALESLFSEIQSDPRHRDVVELMRDYSAYRRFHGTGMRILDLRLF
ETDGALEEILRFSTFGVTEPVNDRMFRLLSAFIADGGRYCLPEPLQPSRW
MMMAPQHLPGQPCQFALQAIVEPAKKRVSSFEALIRSPTGGSPVEMFAAI
AAEDRYRFDLESKAYAFALAGQLPLGKHQLAINLLPGSLYHHPDAVGWLM
DSLLAAGLRPDQVLIEVTETEVITCFDQFRKVLKALRVAGMKLAIDDFGA
GYSGLSLLTRFQPDKIKVDAELVRDIHISGTKQAIVASVVRCCEDLGITV
VAEGVETLEEWCWLQSVGIRLFQGFLFSRPCLNGIGEICWPVAR

3D structure

• PDB: 3gg0 Structure and mechanism of a bacterial light-regulated cyclic nucleotide phosphodiesterase.
• Chain: B
• Resolution: 2.55 Å

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	C2E	B	Q174 L190 I191 P199 D215 K219 N239 L241 D302 D303 G360 E362 G380 F381	Q168 L184 I185 P193 D209 K213 N233 L235 D296 D297 G354 E356 G374 F375
BS02	MN	B	E188 N239 E272 D302	E182 N233 E266 D296
BS03	MN	B	D302 D303 E359	D296 D297 E353
BS04	FMN	B	L23 A27 K30 N31 F47 Q49 L61 E64 I65 D68 R70 H71	L23 A27 K30 N31 F47 Q49 L61 E64 I65 D68 R70 H71

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

External links

• PDB: RCSB:3gg0, PDBe:3gg0, PDBj:3gg0
• PDBsum: 3gg0
• PubMed: 19536266
• UniProt: A6T8V8