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Zinc in PDB 3mi3: Homocitrate Synthase LYS4 Bound to Lysine

Enzymatic activity of Homocitrate Synthase LYS4 Bound to Lysine

All present enzymatic activity of Homocitrate Synthase LYS4 Bound to Lysine:
2.3.3.14;

Protein crystallography data

The structure of Homocitrate Synthase LYS4 Bound to Lysine, PDB code: 3mi3 was solved by S.L.Bulfer, E.M.Scott, L.Pillus, R.C.Trievel, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 38.69 / 2.38
Space group P 62
Cell size a, b, c (Å), α, β, γ (°) 135.637, 135.637, 122.928, 90.00, 90.00, 120.00
R / Rfree (%) 17 / 20.3

Other elements in 3mi3:

The structure of Homocitrate Synthase LYS4 Bound to Lysine also contains other interesting chemical elements:

Sodium (Na) 2 atoms

Zinc Binding Sites:

The binding sites of Zinc atom in the Homocitrate Synthase LYS4 Bound to Lysine (pdb code 3mi3). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Homocitrate Synthase LYS4 Bound to Lysine, PDB code: 3mi3:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in 3mi3

Go back to Zinc Binding Sites List in 3mi3
Zinc binding site 1 out of 2 in the Homocitrate Synthase LYS4 Bound to Lysine


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Homocitrate Synthase LYS4 Bound to Lysine within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Zn500

b:44.4
occ:1.00
OE1 A:GLU44 2.0 49.7 1.0
NE2 A:HIS226 2.1 43.5 1.0
N A:LYS1000 2.2 48.3 1.0
NE2 A:HIS224 2.2 53.2 1.0
O A:LYS1000 2.2 50.8 1.0
CD2 A:HIS226 3.0 47.0 1.0
C A:LYS1000 3.0 49.9 1.0
CA A:LYS1000 3.0 49.4 1.0
CD A:GLU44 3.0 51.5 1.0
O A:HOH740 3.1 53.3 1.0
CD2 A:HIS224 3.1 48.1 1.0
CE1 A:HIS226 3.1 43.6 1.0
CE1 A:HIS224 3.2 53.8 1.0
OE2 A:GLU44 3.5 50.5 1.0
CB A:LYS1000 3.6 49.2 1.0
CG2 A:ILE260 4.0 45.6 1.0
CG A:HIS226 4.1 45.5 1.0
OXT A:LYS1000 4.2 50.0 1.0
ND1 A:HIS226 4.2 44.9 1.0
CG A:HIS224 4.2 49.7 1.0
ND1 A:HIS224 4.2 52.4 1.0
CG A:GLU44 4.3 48.5 1.0
O A:HOH620 4.5 41.6 1.0
NE2 A:GLN47 4.7 51.9 1.0
CG A:LYS1000 4.8 49.5 1.0
CB A:GLU44 4.9 48.2 1.0

Zinc binding site 2 out of 2 in 3mi3

Go back to Zinc Binding Sites List in 3mi3
Zinc binding site 2 out of 2 in the Homocitrate Synthase LYS4 Bound to Lysine


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Homocitrate Synthase LYS4 Bound to Lysine within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Zn500

b:44.0
occ:1.00
OE1 B:GLU44 2.0 50.5 1.0
O B:LYS1000 2.0 48.1 1.0
NE2 B:HIS226 2.1 43.5 1.0
NE2 B:HIS224 2.1 50.6 1.0
N B:LYS1000 2.5 48.7 1.0
C B:LYS1000 2.9 48.7 1.0
CD2 B:HIS226 3.0 47.3 1.0
CD2 B:HIS224 3.0 48.1 1.0
CD B:GLU44 3.1 52.4 1.0
O B:HOH604 3.1 54.2 1.0
CE1 B:HIS226 3.1 44.6 1.0
CA B:LYS1000 3.1 48.5 1.0
CE1 B:HIS224 3.1 52.7 1.0
OE2 B:GLU44 3.5 51.7 1.0
CB B:LYS1000 3.6 48.6 1.0
CG2 B:ILE260 4.0 47.0 1.0
OXT B:LYS1000 4.0 48.4 1.0
CG B:HIS226 4.2 46.6 1.0
ND1 B:HIS226 4.2 45.5 1.0
CG B:HIS224 4.2 50.6 1.0
ND1 B:HIS224 4.2 51.4 1.0
CG B:GLU44 4.3 50.3 1.0
O B:HOH617 4.5 45.1 1.0
NE2 B:GLN47 4.7 53.0 1.0
CG B:LYS1000 4.8 48.0 1.0
CB B:GLU44 4.9 50.5 1.0

Reference:

S.L.Bulfer, E.M.Scott, L.Pillus, R.C.Trievel. Structural Basis For L-Lysine Feedback Inhibition of Homocitrate Synthase J.Biol.Chem. V. 285 10446 2010.
ISSN: ISSN 0021-9258
PubMed: 20089861
Page generated: Sat Oct 26 09:31:50 2024

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