1UWN

The Initial Events in the Photocycle of Photoactive Yellow Protein: A Common Mechanism on Light Activation in Photoreceptor Proteins

Functional Information from GO Data

Chain	GOid	namespace	contents
X	0006355	biological_process	regulation of DNA-templated transcription
X	0007602	biological_process	phototransduction
X	0009881	molecular_function	photoreceptor activity
X	0042802	molecular_function	identical protein binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	3
Details	BINDING SITE FOR RESIDUE SO4 X 1127

Chain	Residue
X	ASP19
X	ASP20
X	GLY21

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site_id	AC2
Number of Residues	8
Details	BINDING SITE FOR RESIDUE SO4 X 1128

Chain	Residue
X	HOH2138
X	HOH2138
X	LYS104
X	LYS104
X	LYS104
X	HOH2137
X	HOH2137
X	HOH2137

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site_id	AC3
Number of Residues	11
Details	BINDING SITE FOR RESIDUE HC4 X 1126

Chain	Residue
X	ILE31
X	TYR42
X	GLU46
X	THR50
X	ARG52
X	PHE62
X	ALA67
X	PRO68
X	CYS69
X	PHE96
X	TYR98

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	MOD_RES: S-(4-hydroxycinnamyl)cysteine => ECO:0000269|PubMed:7981196

Chain	Residue	Details
X	CYS69

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