2XBP

A novel signal transduction protein PII variant from Synechococcus elongatus PCC7942 indicates a two-step process for NAGK PII complex formation

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0000166	molecular_function	nucleotide binding
A	0005515	molecular_function	protein binding
A	0005524	molecular_function	ATP binding
A	0005829	cellular_component	cytosol
A	0006808	biological_process	regulation of nitrogen utilization
A	0030234	molecular_function	enzyme regulator activity
A	0042802	molecular_function	identical protein binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	25
Details	BINDING SITE FOR RESIDUE ATP A 1114

Chain	Residue
A	ILE7
A	VAL64
A	ASN86
A	GLY87
A	ASP88
A	GLY89
A	LYS90
A	ARG101
A	ARG103
A	MG1115
A	HOH2059
A	GLY27
A	HOH2075
A	HOH2139
A	HOH2171
A	HOH2172
A	HOH2173
A	HOH2174
A	MET28
A	THR29
A	GLY35
A	PHE36
A	GLY37
A	GLN39
A	GLU62

---

site_id	AC2
Number of Residues	4
Details	BINDING SITE FOR RESIDUE MG A 1115

Chain	Residue
A	GLY37
A	ATP1114
A	HOH2059
A	HOH2139

---

site_id	AC3
Number of Residues	6
Details	BINDING SITE FOR RESIDUE CL A 1116

Chain	Residue
A	ARG82
A	ARG82
A	ARG82
A	GLY84
A	GLY84
A	GLY84

---

Functional Information from PROSITE/UniProt

site_id	PS00496
Number of Residues	6
Details	PII_GLNB_UMP P-II protein uridylation site. YRGSEY

Chain	Residue	Details
A	TYR46-TYR51

---

site_id	PS00638
Number of Residues	14
Details	PII_GLNB_CTER P-II protein C-terminal region signature. TgenGDGKIFVspV

Chain	Residue	Details
A	THR83-VAL96

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	Modified residue: {"description":"Phosphoserine","evidences":[{"source":"PubMed","id":"7592328","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI2
Number of Residues	1
Details	Modified residue: {"description":"O-UMP-tyrosine","evidences":[{"source":"PROSITE-ProRule","id":"PRU00675","evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

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