Magnesium in PDB 1kkf: Complex of E. Coli Adenylosuccinate Synthetase with Imp, Hadacidin, Pyrophosphate, and Mg

Enzymatic activity of Complex of E. Coli Adenylosuccinate Synthetase with Imp, Hadacidin, Pyrophosphate, and Mg

All present enzymatic activity of Complex of E. Coli Adenylosuccinate Synthetase with Imp, Hadacidin, Pyrophosphate, and Mg:
6.3.4.4;

Protein crystallography data

The structure of Complex of E. Coli Adenylosuccinate Synthetase with Imp, Hadacidin, Pyrophosphate, and Mg, PDB code: 1kkf was solved by Z.Hou, W.Wang, H.J.Fromm, R.B.Honzatko, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	5.00 / 2.60
*Space group*	P 3₂ 2 1
*Cell size a, b, c (Å), α, β, γ (°)*	80.120, 80.120, 158.670, 90.00, 90.00, 120.00
*R / R_free (%)*	19 / 27

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Complex of E. Coli Adenylosuccinate Synthetase with Imp, Hadacidin, Pyrophosphate, and Mg (pdb code 1kkf). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total only one binding site of Magnesium was determined in the Complex of E. Coli Adenylosuccinate Synthetase with Imp, Hadacidin, Pyrophosphate, and Mg, PDB code: 1kkf:

Magnesium binding site 1 out of 1 in 1kkf

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Magnesium Binding Sites List in 1kkf

Magnesium binding site 1 out of 1 in the Complex of E. Coli Adenylosuccinate Synthetase with Imp, Hadacidin, Pyrophosphate, and Mg

Mono view

Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Complex of E. Coli Adenylosuccinate Synthetase with Imp, Hadacidin, Pyrophosphate, and Mg within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Mg434 b:37.3 occ:1.00	O7	A:DPO432	2.3	41.3	1.0
	O	A:HDA437	2.4	33.1	1.0
	O1	A:DPO432	2.4	33.3	1.0
	O	A:GLY40	2.4	32.0	1.0
	OD1	A:ASP13	2.9	21.2	1.0
	O4	A:DPO432	3.0	42.7	1.0
	P1	A:DPO432	3.2	39.6	1.0
	P2	A:DPO432	3.2	40.5	1.0
	C	A:GLY40	3.3	25.5	1.0
	C	A:HDA437	3.3	31.7	1.0
	N	A:GLY40	3.7	22.1	1.0
	O3	A:DPO432	3.8	41.5	1.0
	CA	A:GLY40	3.9	25.4	1.0
	CG	A:ASP13	3.9	17.8	1.0
	O5	A:DPO432	4.0	48.2	1.0
	CA	A:ASP13	4.0	16.1	1.0
	N	A:HIS41	4.2	27.6	1.0
	OB	A:HDA437	4.3	29.0	1.0
	NA	A:HDA437	4.3	32.3	1.0
	O6	A:DPO432	4.4	39.5	1.0
	N	A:ASP13	4.4	16.0	1.0
	CB	A:ASP13	4.4	14.3	1.0
	O2	A:DPO432	4.5	28.2	1.0
	CA	A:HIS41	4.5	30.8	1.0
	NH1	A:ARG305	4.6	25.4	1.0
	N1	A:IMP440	4.7	18.6	1.0
	CB	A:ALA299	4.8	18.5	1.0
	OD2	A:ASP13	4.9	19.2	1.0
	O6	A:IMP440	4.9	15.0	1.0
	C	A:ALA39	4.9	18.5	1.0
	CD2	A:HIS41	5.0	30.2	1.0

Reference:

Z.Hou, W.Wang, H.J.Fromm, R.B.Honzatko. Imp Alone Organizes the Active Site of Adenylosuccinate Synthetase From Escherichia Coli. J.Biol.Chem. V. 277 5970 2002.
ISSN: ISSN 0021-9258
PubMed: 11741996
DOI: 10.1074/JBC.M109561200

Page generated: Tue Aug 13 08:06:38 2024

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