Zinc in PDB 1obr: Carboxypeptidase T

All present enzymatic activity of Carboxypeptidase T:
3.4.17.18;

The structure of Carboxypeptidase T, PDB code: 1obr was solved by A.Teplyakov, K.Polyakov, G.Obmolova, A.Osterman, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	7.00 / 2.30
Space group	P 63 2 2
Cell size a, b, c (Å), α, β, γ (°)	159.420, 159.420, 106.860, 90.00, 90.00, 120.00
R / Rfree (%)	15.2 / n/a

The structure of Carboxypeptidase T also contains other interesting chemical elements:

Calcium

(Ca)

4 atoms

The binding sites of Zinc atom in the Carboxypeptidase T (pdb code 1obr). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Carboxypeptidase T, PDB code: 1obr:

Zinc binding site 1 out of 1 in the Carboxypeptidase T


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Carboxypeptidase T within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn400 b:9.6 occ:1.00 O A:HOH414 2.1 9.3 1.0 ND1 A:HIS69 2.1 2.0 1.0 ND1 A:HIS204 2.1 2.0 1.0 OE1 A:GLU72 2.3 11.5 1.0 OE2 A:GLU72 2.4 2.0 1.0 CD A:GLU72 2.7 8.8 1.0 CE1 A:HIS204 3.0 5.3 1.0 CE1 A:HIS69 3.0 2.0 1.0 CG A:HIS204 3.2 2.0 1.0 CG A:HIS69 3.2 7.9 1.0 CB A:HIS69 3.5 2.0 1.0 CB A:HIS204 3.6 2.0 1.0 O3 A:SO4405 4.0 25.2 1.0 O2 A:SO4405 4.0 25.9 1.0 NE2 A:HIS69 4.2 2.0 1.0 NE2 A:HIS204 4.2 2.0 1.0 CG A:GLU72 4.2 2.0 1.0 O A:THR205 4.2 4.7 1.0 O A:HOH409 4.2 5.9 1.0 CD2 A:HIS204 4.3 2.0 1.0 CD2 A:HIS69 4.3 2.0 1.0 O A:HOH407 4.3 2.0 1.0 CA A:HIS204 4.4 2.0 1.0 S A:SO4405 4.5 24.9 1.0 N A:THR205 4.6 3.0 1.0 NH1 A:ARG129 4.7 2.0 1.0 O1 A:SO4405 4.7 20.9 1.0 N A:HIS69 4.7 2.0 1.0 CA A:HIS69 4.7 2.5 1.0 OE1 A:GLU277 4.8 11.7 1.0 OE2 A:GLU277 4.8 18.3 1.0 CB A:GLU72 5.0 2.0 1.0

A.Teplyakov, K.Polyakov, G.Obmolova, B.Strokopytov, I.Kuranova, A.Osterman, N.Grishin, S.Smulevitch, O.Zagnitko, O.Galperina, M.Matz, V.Stepanov. Crystal Structure of Carboxypeptidase T From Thermoactinomyces Vulgaris. Eur.J.Biochem. V. 208 281 1992.
ISSN: ISSN 0014-2956
PubMed: 1521526
DOI: 10.1111/J.1432-1033.1992.TB17184.X