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Magnesium in PDB 1suz: The Structure of K92A Ecorv Bound to Cognate Dna and MG2+

Enzymatic activity of The Structure of K92A Ecorv Bound to Cognate Dna and MG2+

All present enzymatic activity of The Structure of K92A Ecorv Bound to Cognate Dna and MG2+:
3.1.21.4;

Protein crystallography data

The structure of The Structure of K92A Ecorv Bound to Cognate Dna and MG2+, PDB code: 1suz was solved by N.C.Horton, J.J.Perona, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 20.00 / 1.80
Space group P 1
Cell size a, b, c (Å), α, β, γ (°) 47.410, 48.790, 63.400, 97.10, 108.80, 107.30
R / Rfree (%) 19.7 / 24.4

Other elements in 1suz:

The structure of The Structure of K92A Ecorv Bound to Cognate Dna and MG2+ also contains other interesting chemical elements:

Sodium (Na) 2 atoms

Magnesium Binding Sites:

The binding sites of Magnesium atom in the The Structure of K92A Ecorv Bound to Cognate Dna and MG2+ (pdb code 1suz). This binding sites where shown within 5.0 Angstroms radius around Magnesium atom.
In total 2 binding sites of Magnesium where determined in the The Structure of K92A Ecorv Bound to Cognate Dna and MG2+, PDB code: 1suz:
Jump to Magnesium binding site number: 1; 2;

Magnesium binding site 1 out of 2 in 1suz

Go back to Magnesium Binding Sites List in 1suz
Magnesium binding site 1 out of 2 in the The Structure of K92A Ecorv Bound to Cognate Dna and MG2+


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 1 of The Structure of K92A Ecorv Bound to Cognate Dna and MG2+ within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Mg402

b:21.7
occ:1.00
OD1 A:ASP90 2.0 18.7 1.0
OD1 A:ASP74 2.0 24.4 1.0
O A:HOH425 2.1 23.7 1.0
OP1 C:DA7 2.1 20.3 1.0
O A:HOH428 2.1 18.0 1.0
O C:HOH49 2.2 17.1 1.0
CG A:ASP74 2.9 23.2 1.0
CG A:ASP90 3.0 18.4 1.0
OD2 A:ASP74 3.2 28.4 1.0
P C:DA7 3.4 19.2 1.0
OD2 A:ASP90 3.4 18.5 1.0
O3' C:DT6 3.6 19.7 1.0
O C:HOH195 3.8 19.6 1.0
O A:HOH473 4.0 41.0 1.0
O A:HOH429 4.0 18.8 1.0
N A:ILE91 4.0 13.6 1.0
C5' C:DA7 4.1 20.3 1.0
O A:ILE91 4.1 13.4 1.0
CB A:ASP90 4.2 15.0 1.0
CB A:ASP74 4.3 18.4 1.0
O5' C:DA7 4.3 20.0 1.0
CA A:ASP90 4.3 14.6 1.0
N A:ASP74 4.4 14.2 1.0
OP2 C:DA7 4.5 21.1 1.0
C A:ASP90 4.7 13.6 1.0
CA A:ASP74 4.8 17.4 1.0
C A:ILE91 5.0 13.7 1.0

Magnesium binding site 2 out of 2 in 1suz

Go back to Magnesium Binding Sites List in 1suz
Magnesium binding site 2 out of 2 in the The Structure of K92A Ecorv Bound to Cognate Dna and MG2+


Mono view


Stereo pair view

A full contact list of Magnesium with other atoms in the Mg binding site number 2 of The Structure of K92A Ecorv Bound to Cognate Dna and MG2+ within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Mg401

b:18.7
occ:1.00
OD1 B:ASP90 2.0 17.5 1.0
OP1 D:DA7 2.0 14.7 1.0
O B:HOH414 2.1 14.2 1.0
O B:HOH413 2.1 21.3 1.0
OD2 B:ASP74 2.2 20.0 1.0
O D:HOH31 2.3 17.4 1.0
CG B:ASP74 3.0 18.7 1.0
CG B:ASP90 3.0 18.8 1.0
OD1 B:ASP74 3.2 25.3 1.0
P D:DA7 3.4 19.0 1.0
OD2 B:ASP90 3.5 23.6 1.0
O3' D:DT6 3.6 17.8 1.0
O B:HOH497 3.8 16.6 1.0
O B:HOH412 3.9 27.2 1.0
O B:HOH426 4.0 17.3 1.0
C5' D:DA7 4.0 16.3 1.0
O B:ILE91 4.1 17.6 1.0
N B:ILE91 4.2 14.8 1.0
O5' D:DA7 4.2 17.2 1.0
CB B:ASP90 4.3 14.8 1.0
CB B:ASP74 4.4 15.8 1.0
CA B:ASP90 4.4 13.7 1.0
OP2 D:DA7 4.5 19.3 1.0
N B:ASP74 4.6 11.3 1.0
O B:HOH506 4.7 40.3 1.0
C B:ASP90 4.8 14.0 1.0
O B:HOH480 4.8 41.2 1.0

Reference:

N.C.Horton, J.J.Perona. Dna Cleavage By Ecorv Endonuclease: Two Metal Ions in Three Metal Ion Binding Sites. Biochemistry V. 43 6841 2004.
ISSN: ISSN 0006-2960
PubMed: 15170321
DOI: 10.1021/BI0499056
Page generated: Tue Aug 13 14:19:10 2024

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