Chlorine in PDB 3qb5: Human C3PO Complex in the Presence of MNSO4

The structure of Human C3PO Complex in the Presence of MNSO4, PDB code: 3qb5 was solved by X.Ye, N.Huang, Y.Liu, Z.Paroo, S.Chen, H.Zhang, Q.Liu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	29.86 / 2.95
Space group	P 61 2 2
Cell size a, b, c (Å), α, β, γ (°)	98.166, 98.166, 446.466, 90.00, 90.00, 120.00
R / Rfree (%)	22.4 / 27.3

The structure of Human C3PO Complex in the Presence of MNSO4 also contains other interesting chemical elements:

Manganese	(Mn)	1 atom
Sodium	(Na)	1 atom

The binding sites of Chlorine atom in the Human C3PO Complex in the Presence of MNSO4 (pdb code 3qb5). 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 Human C3PO Complex in the Presence of MNSO4, PDB code: 3qb5:

Chlorine binding site 1 out of 1 in the Human C3PO Complex in the Presence of MNSO4


Mono view


Stereo pair view

A full contact list of Chlorine with other atoms in the Cl binding site number 1 of Human C3PO Complex in the Presence of MNSO4 within 5.0Å range: probe atom residue distance (Å) B Occ C:Cl230 b:0.8 occ:1.00 NH1 C:ARG215 3.2 84.4 1.0 N K:LYS269 3.5 0.3 1.0 CG A:ARG215 3.8 79.2 1.0 CB K:HIS270 3.8 97.7 1.0 N K:HIS270 3.9 0.5 1.0 CA K:PRO268 4.0 89.5 1.0 C K:LYS269 4.1 0.0 1.0 C K:PRO268 4.2 93.6 1.0 CG K:LYS269 4.3 0.2 1.0 CA K:LYS269 4.3 0.6 1.0 CZ C:ARG215 4.3 82.0 1.0 CB A:ARG215 4.5 75.8 1.0 CA A:ARG215 4.5 76.6 1.0 CA K:HIS270 4.5 99.8 1.0 CB K:PRO268 4.5 85.8 1.0 O K:LYS269 4.6 0.3 1.0 NH2 C:ARG215 4.6 82.5 1.0 OE2 K:GLU266 4.7 96.6 1.0 O A:ARG215 4.8 79.7 1.0 CD A:ARG215 4.9 76.1 1.0 CB K:LYS269 4.9 0.9 1.0

X.Ye, N.Huang, Y.Liu, Z.Paroo, C.Huerta, P.Li, S.Chen, Q.Liu, H.Zhang. Structure of C3PO and Mechanism of Human Risc Activation. Nat.Struct.Mol.Biol. V. 18 650 2011.
ISSN: ISSN 1545-9993
PubMed: 21552258
DOI: 10.1038/NSMB.2032