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Zinc in PDB 4at1: Structural Consequences of Effector Binding to the T State of Aspartate Carbamoyltransferase. Crystal Structures of the Unligated and Atp-, and Ctp-Complexed Enzymes at 2.6-Angstroms Resolution

Enzymatic activity of Structural Consequences of Effector Binding to the T State of Aspartate Carbamoyltransferase. Crystal Structures of the Unligated and Atp-, and Ctp-Complexed Enzymes at 2.6-Angstroms Resolution

All present enzymatic activity of Structural Consequences of Effector Binding to the T State of Aspartate Carbamoyltransferase. Crystal Structures of the Unligated and Atp-, and Ctp-Complexed Enzymes at 2.6-Angstroms Resolution:
2.1.3.2;

Protein crystallography data

The structure of Structural Consequences of Effector Binding to the T State of Aspartate Carbamoyltransferase. Crystal Structures of the Unligated and Atp-, and Ctp-Complexed Enzymes at 2.6-Angstroms Resolution, PDB code: 4at1 was solved by R.C.Stevens, J.E.Gouaux, W.N.Lipscomb, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 10.00 / 2.60
Space group P 3 2 1
Cell size a, b, c (Å), α, β, γ (°) 122.000, 122.000, 142.000, 90.00, 90.00, 120.00
R / Rfree (%) 16 / n/a

Zinc Binding Sites:

The binding sites of Zinc atom in the Structural Consequences of Effector Binding to the T State of Aspartate Carbamoyltransferase. Crystal Structures of the Unligated and Atp-, and Ctp-Complexed Enzymes at 2.6-Angstroms Resolution (pdb code 4at1). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Structural Consequences of Effector Binding to the T State of Aspartate Carbamoyltransferase. Crystal Structures of the Unligated and Atp-, and Ctp-Complexed Enzymes at 2.6-Angstroms Resolution, PDB code: 4at1:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in 4at1

Go back to Zinc Binding Sites List in 4at1
Zinc binding site 1 out of 2 in the Structural Consequences of Effector Binding to the T State of Aspartate Carbamoyltransferase. Crystal Structures of the Unligated and Atp-, and Ctp-Complexed Enzymes at 2.6-Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Structural Consequences of Effector Binding to the T State of Aspartate Carbamoyltransferase. Crystal Structures of the Unligated and Atp-, and Ctp-Complexed Enzymes at 2.6-Angstroms Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
B:Zn154

b:15.9
occ:1.00
 SG B:CYS109 2.3 13.9 1.0
SG B:CYS114 2.3 10.9 1.0
SG B:CYS138 2.3 18.1 1.0
SG B:CYS141 2.3 10.9 1.0
CB B:CYS138 3.1 17.5 1.0
CB B:CYS114 3.2 19.5 1.0
CB B:CYS109 3.2 16.9 1.0
CB B:CYS141 3.4 9.3 1.0
N B:CYS141 3.8 9.3 1.0
ND2 B:ASN111 4.1 15.5 1.0
CA B:CYS141 4.3 7.2 1.0
OG B:SER116 4.3 26.6 1.0
CA B:CYS114 4.5 20.3 1.0
CA B:CYS138 4.5 20.8 1.0
CA B:CYS109 4.7 19.5 1.0
CB B:ASN111 4.8 14.4 1.0
CG B:ASN111 4.8 14.7 1.0
CB B:TYR140 4.9 10.9 1.0
C B:TYR140 4.9 7.4 1.0
N B:TYR140 5.0 15.6 1.0

Zinc binding site 2 out of 2 in 4at1

Go back to Zinc Binding Sites List in 4at1
Zinc binding site 2 out of 2 in the Structural Consequences of Effector Binding to the T State of Aspartate Carbamoyltransferase. Crystal Structures of the Unligated and Atp-, and Ctp-Complexed Enzymes at 2.6-Angstroms Resolution


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Structural Consequences of Effector Binding to the T State of Aspartate Carbamoyltransferase. Crystal Structures of the Unligated and Atp-, and Ctp-Complexed Enzymes at 2.6-Angstroms Resolution within 5.0Å range:
probe atom residue distance (Å) B Occ
D:Zn154

b:17.3
occ:1.00
 SG D:CYS114 2.3 5.9 1.0
SG D:CYS109 2.3 17.2 1.0
SG D:CYS138 2.3 11.5 1.0
SG D:CYS141 2.3 8.9 1.0
CB D:CYS114 3.0 10.2 1.0
CB D:CYS138 3.2 9.4 1.0
CB D:CYS109 3.2 16.6 1.0
CB D:CYS141 3.3 14.1 1.0
N D:CYS141 3.9 11.0 1.0
CB D:ASN111 4.0 16.6 1.0
OG D:SER116 4.1 20.0 1.0
CA D:CYS141 4.2 12.9 1.0
CA D:CYS114 4.3 9.5 1.0
ND2 D:ASN111 4.4 24.5 1.0
CA D:CYS109 4.6 14.5 1.0
CA D:CYS138 4.7 5.5 1.0
CG D:ASN111 4.8 21.7 1.0
O D:ASN111 4.9 18.2 1.0
C D:CYS141 5.0 14.7 1.0

Reference:

R.C.Stevens, J.E.Gouaux, W.N.Lipscomb. Structural Consequences of Effector Binding to the T State of Aspartate Carbamoyltransferase: Crystal Structures of the Unligated and Atp- and Ctp-Complexed Enzymes at 2.6-A Resolution. Biochemistry V. 29 7691 1990.
ISSN: ISSN 0006-2960
PubMed: 2271528
DOI: 10.1021/BI00485A019
Page generated: Sat Oct 26 19:22:25 2024

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