Calcium in PDB 2x8s: Crystal Structure of the ABN2 D171A Mutant in Complex with Arabinotriose

Enzymatic activity of Crystal Structure of the ABN2 D171A Mutant in Complex with Arabinotriose

All present enzymatic activity of Crystal Structure of the ABN2 D171A Mutant in Complex with Arabinotriose:
3.2.1.99;

Protein crystallography data

The structure of Crystal Structure of the ABN2 D171A Mutant in Complex with Arabinotriose, PDB code: 2x8s was solved by D.Desanctis, J.M.Inacio, P.F.Lindley, I.De Sa-Nogueira, I.Bento, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	24.595 / 1.50
*Space group*	P 1
*Cell size a, b, c (Å), α, β, γ (°)*	51.950, 57.985, 85.595, 96.14, 91.77, 117.34
*R / R_free (%)*	14.73 / 16.66

Other elements in 2x8s:

The structure of Crystal Structure of the ABN2 D171A Mutant in Complex with Arabinotriose also contains other interesting chemical elements:

Sodium	(Na)	2 atoms
Chlorine	(Cl)	3 atoms

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of the ABN2 D171A Mutant in Complex with Arabinotriose (pdb code 2x8s). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of the ABN2 D171A Mutant in Complex with Arabinotriose, PDB code: 2x8s:

Calcium binding site 1 out of 1 in 2x8s

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Calcium Binding Sites List in 2x8s

Calcium binding site 1 out of 1 in the Crystal Structure of the ABN2 D171A Mutant in Complex with Arabinotriose

Mono view

Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of the ABN2 D171A Mutant in Complex with Arabinotriose within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
B:Ca1471 b:5.5 occ:1.00	O	B:HOH2019	2.4	7.0	1.0
	O	B:HOH2139	2.4	5.6	1.0
	O	B:HOH2182	2.5	6.0	1.0
	O	B:HOH2017	2.5	8.3	1.0
	O	B:HOH2240	2.5	7.2	1.0
	O	B:HOH2015	2.5	7.3	1.0
	NE2	B:HIS318	2.5	7.3	1.0
	CD2	B:HIS318	3.3	6.4	1.0
	CE1	B:HIS318	3.7	5.8	1.0
	O	B:PRO172	4.0	5.8	1.0
	O	B:PRO226	4.5	6.3	1.0
	O	B:ASN319	4.5	6.9	1.0
	O	B:ALA102	4.5	7.9	1.0
	CB	B:ALA101	4.5	6.8	1.0
	CG	B:HIS318	4.5	5.8	1.0
	OG	B:SER40	4.6	7.0	1.0
	O	B:ASP38	4.6	6.3	1.0
	CB	B:SER40	4.6	6.8	1.0
	ND1	B:HIS318	4.7	5.9	1.0
	O	B:ALA171	4.8	6.1	1.0
	CD1	B:TYR227	4.8	5.8	1.0
	C	B:ALA171	4.8	6.4	1.0
	O	B:GLY225	4.8	6.0	1.0
	CA	B:GLY225	4.8	5.6	1.0
	C	B:PRO172	4.9	6.4	1.0
	C	B:GLY225	4.9	6.5	1.0
	CB	B:ALA171	5.0	7.5	1.0

Reference:

D.De Sanctis, J.M.Inacio, P.F.Lindley, I.De Sa-Nogueira, I.Bento. New Evidence For the Role of Calcium in the Glycosidase Reaction of GH43 Arabinanases. Febs J. V. 277 4562 2010.
ISSN: ISSN 1742-464X
PubMed: 20883454
DOI: 10.1111/J.1742-4658.2010.07870.X

Page generated: Tue Jul 8 09:19:03 2025

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