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Copper in PDB 7qq2: Crystal Structure of As-Isolated S321M Mutant of Three-Domain Heme-Cu Nitrite Reductase From Ralstonia Pickettii

Enzymatic activity of Crystal Structure of As-Isolated S321M Mutant of Three-Domain Heme-Cu Nitrite Reductase From Ralstonia Pickettii

All present enzymatic activity of Crystal Structure of As-Isolated S321M Mutant of Three-Domain Heme-Cu Nitrite Reductase From Ralstonia Pickettii:
1.7.2.1;

Protein crystallography data

The structure of Crystal Structure of As-Isolated S321M Mutant of Three-Domain Heme-Cu Nitrite Reductase From Ralstonia Pickettii, PDB code: 7qq2 was solved by N.Petchyam, S.Antonyuk, S.S.Hasnain, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 73.65 / 2.10
Space group I 21 3
Cell size a, b, c (Å), α, β, γ (°) 180.14, 180.14, 180.14, 90, 90, 90
R / Rfree (%) 15.3 / 18.6

Other elements in 7qq2:

The structure of Crystal Structure of As-Isolated S321M Mutant of Three-Domain Heme-Cu Nitrite Reductase From Ralstonia Pickettii also contains other interesting chemical elements:

Iron (Fe) 1 atom

Copper Binding Sites:

The binding sites of Copper atom in the Crystal Structure of As-Isolated S321M Mutant of Three-Domain Heme-Cu Nitrite Reductase From Ralstonia Pickettii (pdb code 7qq2). This binding sites where shown within 5.0 Angstroms radius around Copper atom.
In total 2 binding sites of Copper where determined in the Crystal Structure of As-Isolated S321M Mutant of Three-Domain Heme-Cu Nitrite Reductase From Ralstonia Pickettii, PDB code: 7qq2:
Jump to Copper binding site number: 1; 2;

Copper binding site 1 out of 2 in 7qq2

Go back to Copper Binding Sites List in 7qq2
Copper binding site 1 out of 2 in the Crystal Structure of As-Isolated S321M Mutant of Three-Domain Heme-Cu Nitrite Reductase From Ralstonia Pickettii


Mono view


Stereo pair view

A full contact list of Copper with other atoms in the Cu binding site number 1 of Crystal Structure of As-Isolated S321M Mutant of Three-Domain Heme-Cu Nitrite Reductase From Ralstonia Pickettii within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cu501

b:30.6
occ:1.00
ND1 A:HIS143 2.0 27.8 1.0
ND1 A:HIS94 2.2 27.1 1.0
SG A:CYS135 2.2 27.8 1.0
SD A:MET148 2.6 29.0 1.0
CE1 A:HIS143 3.0 30.4 1.0
CG A:HIS143 3.0 27.2 1.0
CE1 A:HIS94 3.1 30.6 1.0
CG A:HIS94 3.2 27.2 1.0
CB A:CYS135 3.2 26.9 1.0
CB A:HIS143 3.4 29.0 1.0
CB A:HIS94 3.5 28.4 1.0
CE A:MET148 3.5 30.6 1.0
CA A:HIS94 3.7 28.3 1.0
O A:PRO93 4.0 30.2 1.0
NE2 A:HIS143 4.1 26.6 1.0
CD2 A:HIS143 4.1 29.7 1.0
CG A:MET148 4.1 28.3 1.0
NE2 A:HIS94 4.2 31.0 1.0
CD2 A:HIS94 4.3 28.0 1.0
CB A:THR137 4.3 31.8 1.0
OG1 A:THR137 4.4 32.1 1.0
CE3 A:TRP61 4.5 28.3 1.0
CA A:HIS143 4.5 26.2 1.0
CA A:CYS135 4.6 24.6 1.0
N A:ASN95 4.6 28.7 1.0
CB A:MET148 4.6 26.4 1.0
N A:HIS94 4.7 28.7 1.0
C A:HIS94 4.7 29.4 1.0
C A:PRO93 4.8 28.1 1.0

Copper binding site 2 out of 2 in 7qq2

Go back to Copper Binding Sites List in 7qq2
Copper binding site 2 out of 2 in the Crystal Structure of As-Isolated S321M Mutant of Three-Domain Heme-Cu Nitrite Reductase From Ralstonia Pickettii


Mono view


Stereo pair view

A full contact list of Copper with other atoms in the Cu binding site number 2 of Crystal Structure of As-Isolated S321M Mutant of Three-Domain Heme-Cu Nitrite Reductase From Ralstonia Pickettii within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Cu502

b:28.7
occ:1.00
NE2 A:HIS99 1.9 22.6 1.0
NE2 A:HIS134 2.0 27.1 1.0
O A:HOH620 2.0 27.0 1.0
CD2 A:HIS134 2.9 26.1 1.0
CE1 A:HIS99 2.9 26.1 1.0
CD2 A:HIS99 3.0 22.8 1.0
CE1 A:HIS134 3.1 26.6 1.0
OD1 A:ASP97 3.8 24.3 1.0
ND1 A:HIS99 4.0 24.5 1.0
CG A:HIS134 4.1 27.0 1.0
CG A:HIS99 4.1 23.1 1.0
ND1 A:HIS134 4.2 26.7 1.0
CG A:ASP97 4.4 24.9 1.0
OD2 A:ASP97 4.8 26.5 1.0

Reference:

N.Petchyam, S.Antonyuk, S.S.Hasnain. Structural Studies of Haem Three-Domain Copper Nitrite Reductase Mutants From Ralstonia Pickettii To Be Published.
Page generated: Mon Jul 14 08:23:12 2025

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