Calcium in PDB 7l3g: T4 Lysozyme L99A - 4-Iodotoluene - Cryo

All present enzymatic activity of T4 Lysozyme L99A - 4-Iodotoluene - Cryo:
3.2.1.17;

The structure of T4 Lysozyme L99A - 4-Iodotoluene - Cryo, PDB code: 7l3g was solved by M.Fischer, S.Y.C.Bradford, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	45.86 / 1.27
Space group	P 32 2 1
Cell size a, b, c (Å), α, β, γ (°)	60.188, 60.188, 96.507, 90, 90, 120
R / Rfree (%)	15.6 / 17.4

The structure of T4 Lysozyme L99A - 4-Iodotoluene - Cryo also contains other interesting chemical elements:

Iodine

(I)

2 atoms

The binding sites of Calcium atom in the T4 Lysozyme L99A - 4-Iodotoluene - Cryo (pdb code 7l3g). 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 T4 Lysozyme L99A - 4-Iodotoluene - Cryo, PDB code: 7l3g:

Calcium binding site 1 out of 1 in the T4 Lysozyme L99A - 4-Iodotoluene - Cryo


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of T4 Lysozyme L99A - 4-Iodotoluene - Cryo within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca203 b:19.9 occ:0.63 O A:HOH472 3.1 37.9 1.0 N A:ARG145 3.2 13.9 1.0 N A:ASN144 3.3 13.8 1.0 O A:HOH441 3.3 41.3 1.0 C A:THR142 3.4 13.3 1.0 CA A:THR142 3.5 13.7 1.0 CB A:THR142 3.7 14.2 1.0 CB A:ASN144 3.7 16.9 1.0 N A:PRO143 3.7 13.4 1.0 O A:THR142 3.7 14.1 1.0 CA A:ASN144 3.8 14.6 1.0 CB A:ARG145 3.9 18.1 1.0 C A:ASN144 4.0 14.3 1.0 CD A:PRO143 4.2 14.7 1.0 CA A:ARG145 4.2 15.0 1.0 C A:PRO143 4.2 13.4 1.0 CG2 A:THR142 4.3 15.8 1.0 CA A:PRO143 4.5 13.6 1.0 CG A:ASN144 4.7 23.0 1.0 O A:HOH315 4.8 29.7 1.0 OG1 A:THR142 4.9 16.1 1.0 CG A:PRO143 4.9 14.7 1.0 N A:THR142 4.9 14.3 1.0 O A:HOH369 5.0 32.8 1.0 ND2 A:ASN144 5.0 25.4 1.0

S.Y.C.Bradford, L.El Khoury, Y.Ge, M.Osato, D.L.Mobley, M.Fischer. Temperature Artifacts in Protein Structures Bias Ligand-Binding Predictions. Chem Sci V. 12 11275 2021.
ISSN: ISSN 2041-6520
PubMed: 34667539
DOI: 10.1039/D1SC02751D