Chlorine in PDB 2a9b: Crystal Structure of R138Q Mutant of Recombinant Sulfite Oxidase at Resting State

Enzymatic activity of Crystal Structure of R138Q Mutant of Recombinant Sulfite Oxidase at Resting State

All present enzymatic activity of Crystal Structure of R138Q Mutant of Recombinant Sulfite Oxidase at Resting State:
1.8.3.1;

Protein crystallography data

The structure of Crystal Structure of R138Q Mutant of Recombinant Sulfite Oxidase at Resting State, PDB code: 2a9b was solved by E.Karakas, H.L.Wilson, T.N.Graf, S.Xiang, S.Jaramillo-Busquets, K.V.Rajagopalan, C.Kisker, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

*Resolution Low / High (Å)*	30.00 / 2.50
*Space group*	I 4₁
*Cell size a, b, c (Å), α, β, γ (°)*	86.109, 86.109, 153.825, 90.00, 90.00, 90.00
*R / R_free (%)*	15.6 / 20.2

Other elements in 2a9b:

The structure of Crystal Structure of R138Q Mutant of Recombinant Sulfite Oxidase at Resting State also contains other interesting chemical elements:

Molybdenum

(Mo)

1 atom

Chlorine Binding Sites:

The binding sites of Chlorine atom in the Crystal Structure of R138Q Mutant of Recombinant Sulfite Oxidase at Resting State (pdb code 2a9b). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total only one binding site of Chlorine was determined in the Crystal Structure of R138Q Mutant of Recombinant Sulfite Oxidase at Resting State, PDB code: 2a9b:

Chlorine binding site 1 out of 1 in 2a9b

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Chlorine Binding Sites List in 2a9b

Chlorine binding site 1 out of 1 in the Crystal Structure of R138Q Mutant of Recombinant Sulfite Oxidase at Resting State

Mono view

Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Crystal Structure of R138Q Mutant of Recombinant Sulfite Oxidase at Resting State within 5.0Å range:

probe	atom	residue	distance (Å)	B	Occ
A:Cl502 b:61.8 occ:1.00	O	A:HOH2542	3.0	35.2	1.0
	NH1	A:ARG190	3.1	32.7	1.0
	O	A:HOH2502	3.3	30.7	1.0
	NE1	A:TRP204	3.4	35.2	1.0
	NH2	A:ARG190	3.6	33.4	1.0
	OE1	A:GLN138	3.6	42.1	1.0
	CZ	A:ARG190	3.8	31.9	1.0
	SG	A:CYS185	3.9	32.8	1.0
	CD1	A:TRP204	3.9	35.8	1.0
	CA	A:GLY187	4.0	34.3	1.0
	N	A:GLY187	4.2	34.0	1.0
	NH2	A:ARG450	4.3	59.0	1.0
	NE2	A:GLN138	4.3	39.1	1.0
	CD	A:GLN138	4.4	40.8	1.0
	OH	A:TYR322	4.4	41.4	1.0
	CE2	A:TRP204	4.6	35.9	1.0
	CE1	A:TYR322	4.6	42.4	1.0
	NH1	A:ARG450	4.7	58.3	1.0
	CB	A:LEU202	4.7	41.2	1.0
	CD1	A:LEU202	4.7	40.3	1.0
	MO	A:MO1501	4.8	34.1	1.0
	CZ	A:ARG450	4.9	57.6	1.0
	C	A:GLY187	5.0	34.4	1.0

Reference:

E.Karakas, H.L.Wilson, T.N.Graf, S.Xiang, S.Jaramillo-Busquets, K.V.Rajagopalan, C.Kisker. Structural Insights Into Sulfite Oxidase Deficiency J.Biol.Chem. V. 280 33506 2005.
ISSN: ISSN 0021-9258
PubMed: 16048997
DOI: 10.1074/JBC.M505035200

Page generated: Thu Jul 10 21:06:11 2025

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