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Calcium in PDB 4ibr: Crystal Structure of Stabilized Tem-1 Beta-Lactamase Variant V.13 Carrying G238S/E104K Mutations

Enzymatic activity of Crystal Structure of Stabilized Tem-1 Beta-Lactamase Variant V.13 Carrying G238S/E104K Mutations

All present enzymatic activity of Crystal Structure of Stabilized Tem-1 Beta-Lactamase Variant V.13 Carrying G238S/E104K Mutations:
3.5.2.6;

Protein crystallography data

The structure of Crystal Structure of Stabilized Tem-1 Beta-Lactamase Variant V.13 Carrying G238S/E104K Mutations, PDB code: 4ibr was solved by E.Dellus-Gur, A.Toth-Petroczy, M.Elias, D.S.Tawfik, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 67.96 / 2.20
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 136.240, 46.600, 39.000, 90.00, 93.87, 90.00
R / Rfree (%) 19.5 / 24.7

Calcium Binding Sites:

The binding sites of Calcium atom in the Crystal Structure of Stabilized Tem-1 Beta-Lactamase Variant V.13 Carrying G238S/E104K Mutations (pdb code 4ibr). This binding sites where shown within 5.0 Angstroms radius around Calcium atom.
In total only one binding site of Calcium was determined in the Crystal Structure of Stabilized Tem-1 Beta-Lactamase Variant V.13 Carrying G238S/E104K Mutations, PDB code: 4ibr:

Calcium binding site 1 out of 1 in 4ibr

Go back to Calcium Binding Sites List in 4ibr
Calcium binding site 1 out of 1 in the Crystal Structure of Stabilized Tem-1 Beta-Lactamase Variant V.13 Carrying G238S/E104K Mutations


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Crystal Structure of Stabilized Tem-1 Beta-Lactamase Variant V.13 Carrying G238S/E104K Mutations within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca301

b:8.6
occ:0.50
OE2 A:GLU36 2.4 4.3 1.0
O A:HOH404 2.5 8.2 1.0
O A:HOH401 2.6 7.2 1.0
CD A:GLU36 3.5 8.9 1.0
NH2 A:ARG60 3.9 10.3 1.0
CG A:GLU36 4.0 7.6 1.0
OD1 A:ASP37 4.4 21.2 1.0
OE1 A:GLU36 4.6 10.6 1.0
O A:HOH411 4.8 9.4 1.0
CB A:GLU36 4.8 9.4 1.0
CZ A:PHE59 4.9 7.4 1.0

Reference:

E.Dellus-Gur, A.Toth-Petroczy, M.Elias, D.S.Tawfik. What Makes A Protein Fold Amenable to Functional Innovation? Fold Polarity and Stability Trade-Offs. J.Mol.Biol. V. 425 2609 2013.
ISSN: ISSN 0022-2836
PubMed: 23542341
DOI: 10.1016/J.JMB.2013.03.033
Page generated: Tue Jul 8 22:53:08 2025

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