Magnesium in PDB 2bn7: Mn Substituted E. Coli Aminopeptidase P in Complex with Product and Zn

Enzymatic activity of Mn Substituted E. Coli Aminopeptidase P in Complex with Product and Zn

All present enzymatic activity of Mn Substituted E. Coli Aminopeptidase P in Complex with Product and Zn:
3.4.11.9;

Protein crystallography data

The structure of Mn Substituted E. Coli Aminopeptidase P in Complex with Product and Zn, PDB code: 2bn7 was solved by S.C.Graham, C.S.Bond, H.C.Freeman, J.M.Guss, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	119.52 / 2.40
*Space group*	I 4₁ 2 2
*Cell size a, b, c (Å), α, β, γ (°)*	139.695, 139.695, 230.674, 90.00, 90.00, 90.00
*R / R_free (%)*	16.5 / 18.7

Other elements in 2bn7:

The structure of Mn Substituted E. Coli Aminopeptidase P in Complex with Product and Zn also contains other interesting chemical elements:

Manganese	(Mn)	2 atoms
Zinc	(Zn)	1 atom

Magnesium Binding Sites:

The binding sites of Magnesium atom in the Mn Substituted E. Coli Aminopeptidase P in Complex with Product and Zn (pdb code 2bn7). 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 Mn Substituted E. Coli Aminopeptidase P in Complex with Product and Zn, PDB code: 2bn7:

Magnesium binding site 1 out of 1 in 2bn7

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Magnesium Binding Sites List in 2bn7

Magnesium binding site 1 out of 1 in the Mn Substituted E. Coli Aminopeptidase P in Complex with Product and Zn

Mono view

Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of Mn Substituted E. Coli Aminopeptidase P in Complex with Product and Zn within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Mg1443 b:54.8 occ:1.00	O	A:HOH2253	2.2	52.0	1.0
	O	A:HOH2255	2.2	55.3	1.0
	O	A:HOH2258	2.2	58.0	1.0
	O	A:ARG399	3.7	49.3	1.0
	OE2	A:GLU396	4.1	49.2	1.0
	O	A:GLN397	4.3	49.6	1.0
	O	A:GLU396	4.6	48.9	1.0
	O	A:HOH2175	4.7	53.5	1.0
	O	A:HOH2207	4.7	53.4	1.0
	C	A:GLN397	4.8	49.3	1.0
	O	A:HOH2259	4.8	43.0	1.0
	CD	A:GLU396	4.9	50.2	1.0
	C	A:ARG399	4.9	50.3	1.0
	CA	A:GLN397	5.0	49.0	1.0

Reference:

S.C.Graham, C.S.Bond, H.C.Freeman, J.M.Guss. Structural and Functional Implications of Metal Ion Selection in Aminopeptidase P, A Metalloprotease with A Dinuclear Metal Center. Biochemistry V. 44 13820 2005.
ISSN: ISSN 0006-2960
PubMed: 16229471
DOI: 10.1021/BI0512849

Page generated: Tue Aug 13 21:57:10 2024

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