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Zinc in PDB 6znq: Crystal Structure of DUF1998 Helicase Mrfa Bound to Dna and Amppnp

Protein crystallography data

The structure of Crystal Structure of DUF1998 Helicase Mrfa Bound to Dna and Amppnp, PDB code: 6znq was solved by J.J.Roske, S.Liu, B.Loll, U.Neu, M.C.Wahl, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 28.73 / 3.34
Space group P 41 21 2
Cell size a, b, c (Å), α, β, γ (°) 140.570, 140.570, 210.066, 90.00, 90.00, 90.00
R / Rfree (%) 22.3 / 28.2

Zinc Binding Sites:

The binding sites of Zinc atom in the Crystal Structure of DUF1998 Helicase Mrfa Bound to Dna and Amppnp (pdb code 6znq). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Crystal Structure of DUF1998 Helicase Mrfa Bound to Dna and Amppnp, PDB code: 6znq:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in 6znq

Go back to Zinc Binding Sites List in 6znq
Zinc binding site 1 out of 2 in the Crystal Structure of DUF1998 Helicase Mrfa Bound to Dna and Amppnp


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Crystal Structure of DUF1998 Helicase Mrfa Bound to Dna and Amppnp within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn801

b:71.7
occ:1.00
SG A:CYS724 2.2 70.0 1.0
SG A:CYS720 2.2 69.2 1.0
SG A:CYS727 2.3 61.1 1.0
SG A:CYS718 2.3 61.7 1.0
N A:CYS724 3.2 70.5 1.0
CB A:CYS724 3.2 71.5 1.0
CB A:CYS718 3.4 73.8 1.0
CB A:CYS727 3.4 64.4 1.0
CB A:CYS720 3.5 75.5 1.0
CA A:CYS724 3.7 70.8 1.0
C A:GLY723 4.1 75.8 1.0
O A:CYS724 4.1 68.7 1.0
N A:CYS727 4.1 71.4 1.0
C A:CYS724 4.2 68.3 1.0
N A:CYS720 4.3 76.4 1.0
CA A:GLY723 4.3 78.0 1.0
CA A:CYS727 4.4 66.5 1.0
CA A:CYS720 4.5 78.9 1.0
CE A:LYS738 4.6 68.1 1.0
CA A:CYS718 4.6 79.0 1.0
C A:CYS718 4.8 80.1 1.0
C A:SER726 4.8 69.7 1.0
NZ A:LYS738 5.0 69.0 1.0
N A:SER726 5.0 64.6 1.0

Zinc binding site 2 out of 2 in 6znq

Go back to Zinc Binding Sites List in 6znq
Zinc binding site 2 out of 2 in the Crystal Structure of DUF1998 Helicase Mrfa Bound to Dna and Amppnp


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Crystal Structure of DUF1998 Helicase Mrfa Bound to Dna and Amppnp within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Zn801

b:0.2
occ:1.00
SG B:CYS724 2.2 0.5 1.0
SG B:CYS720 2.3 0.0 1.0
SG B:CYS727 2.5 0.2 1.0
SG B:CYS718 2.5 0.5 1.0
CB B:CYS724 3.1 0.6 1.0
N B:CYS724 3.3 0.8 1.0
CB B:CYS718 3.5 0.7 1.0
CB B:CYS727 3.5 0.7 1.0
CA B:CYS724 3.7 0.0 1.0
CB B:CYS720 3.9 0.1 1.0
C B:GLY723 4.0 0.3 1.0
CA B:GLY723 4.3 0.5 1.0
C B:CYS724 4.4 0.8 1.0
O B:CYS724 4.4 0.1 1.0
N B:CYS727 4.4 0.8 1.0
O B:ASP722 4.5 0.3 1.0
CA B:CYS727 4.6 0.2 1.0
N B:CYS720 4.6 0.5 1.0
CA B:CYS720 4.7 0.4 1.0
CA B:CYS718 4.8 0.7 1.0
C B:SER726 4.9 0.3 1.0
O B:GLY723 4.9 0.5 1.0
O B:HIS721 5.0 0.6 1.0
C B:CYS718 5.0 0.1 1.0

Reference:

J.J.Roske, S.Liu, B.Loll, U.Neu, M.C.Wahl. A Skipping Rope Translocation Mechanism in An Antibiotics Resistance Dna Helicase To Be Published.
Page generated: Tue Oct 29 15:49:14 2024

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