Chlorine in PDB 2g4v: Anomalous Substructure of Proteinase K

All present enzymatic activity of Anomalous Substructure of Proteinase K:
3.4.21.64;

The structure of Anomalous Substructure of Proteinase K, PDB code: 2g4v was solved by C.Mueller-Dieckmann, M.S.Weiss, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.14
Space group	P 43 21 2
Cell size a, b, c (Å), α, β, γ (°)	67.780, 67.780, 101.880, 90.00, 90.00, 90.00
R / Rfree (%)	16.3 / 20.3

The structure of Anomalous Substructure of Proteinase K also contains other interesting chemical elements:

Potassium	(K)	2 atoms
Calcium	(Ca)	2 atoms

The binding sites of Chlorine atom in the Anomalous Substructure of Proteinase K (pdb code 2g4v). This binding sites where shown within 5.0 Angstroms radius around Chlorine atom.
In total only one binding site of Chlorine was determined in the Anomalous Substructure of Proteinase K, PDB code: 2g4v:

Chlorine binding site 1 out of 1 in the Anomalous Substructure of Proteinase K


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Anomalous Substructure of Proteinase K within 5.0Å range: probe atom residue distance (Å) B Occ A:Cl284 b:7.3 occ:0.40 O A:HOH345 3.0 8.2 1.0 OH A:TYR61 3.0 16.0 1.0 NH1 A:ARG64 3.6 22.7 1.0 CZ A:TYR61 4.1 9.3 1.0 CE2 A:TYR61 4.3 12.3 1.0 OD2 A:ASP98 4.4 6.0 1.0 CZ A:ARG64 4.7 25.5 1.0 O A:HOH321 4.7 6.0 1.0

C.Mueller-Dieckmann, S.Panjikar, A.Schmidt, S.Mueller, J.Kuper, A.Geerlof, M.Wilmanns, R.K.Singh, P.A.Tucker, M.S.Weiss. On the Routine Use of Soft X-Rays in Macromolecular Crystallography. Part IV. Efficient Determination of Anomalous Substructures in Biomacromolecules Using Longer X-Ray Wavelengths. Acta Crystallogr.,Sect.D V. 63 366 2007.
ISSN: ISSN 0907-4449
PubMed: 17327674
DOI: 10.1107/S0907444906055624