2LD6

Solution Structure of Histidine Phosphotransfer Domain of CheA

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0000160	biological_process	phosphorelay signal transduction system

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	101
Details	Domain: {"description":"HPt","evidences":[{"source":"PROSITE-ProRule","id":"PRU00110","evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

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site_id	SWS_FT_FI2
Number of Residues	1
Details	Modified residue: {"description":"Phosphohistidine; by autocatalysis","evidences":[{"source":"PROSITE-ProRule","id":"PRU00107","evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

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Catalytic Information from CSA

site_id	MCSA1
Number of Residues	2
Details	M-CSA 327

Chain	Residue	Details
A	HIS45	activator, covalently attached, hydrogen bond donor, nucleofuge, nucleophile
A	GLU67	electrostatic stabiliser, hydrogen bond acceptor, increase nucleophilicity

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