Iridium in PDB 1c1k: Bacteriophage T4 Gene 59 Helicase Assembly Protein

The structure of Bacteriophage T4 Gene 59 Helicase Assembly Protein, PDB code: 1c1k was solved by T.C.Mueser, C.E.Jones, N.G.Nossal, C.C.Hyde, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	5.00 / 1.45
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	31.865, 65.882, 108.166, 90.00, 90.00, 90.00
R / Rfree (%)	20 / 25.3

The structure of Bacteriophage T4 Gene 59 Helicase Assembly Protein also contains other interesting chemical elements:

Chlorine

(Cl)

12 atoms

The binding sites of Iridium atom in the Bacteriophage T4 Gene 59 Helicase Assembly Protein (pdb code 1c1k). This binding sites where shown within 5.0 Angstroms radius around Iridium atom.
In total 2 binding sites of Iridium where determined in the Bacteriophage T4 Gene 59 Helicase Assembly Protein, PDB code: 1c1k:
Jump to Iridium binding site number: 1; 2;

Iridium binding site 1 out of 2 in the Bacteriophage T4 Gene 59 Helicase Assembly Protein


Mono view


Stereo pair view

A full contact list of Iridium with other atoms in the Ir binding site number 1 of Bacteriophage T4 Gene 59 Helicase Assembly Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:Ir2221 b:15.4 occ:0.26 CL A:CL2222 1.6 3.8 0.3 CL A:CL2225 2.0 48.8 0.3 CL A:CL2227 2.1 12.2 0.3 CL A:CL2226 2.4 24.4 0.3 CL A:CL2224 2.4 12.5 0.3 CL A:CL2223 2.4 10.4 0.3 N A:MET1 4.3 12.0 1.0 NZ A:LYS203 4.3 15.7 1.0 CD A:LYS203 4.5 13.8 1.0 CE A:LYS203 4.7 15.7 1.0

Iridium binding site 2 out of 2 in the Bacteriophage T4 Gene 59 Helicase Assembly Protein


Mono view


Stereo pair view

A full contact list of Iridium with other atoms in the Ir binding site number 2 of Bacteriophage T4 Gene 59 Helicase Assembly Protein within 5.0Å range: probe atom residue distance (Å) B Occ A:Ir2228 b:21.0 occ:0.21 CL A:CL2233 2.1 24.2 0.2 CL A:CL2232 2.3 23.4 0.2 CL A:CL2234 2.3 17.4 0.2 CL A:CL2230 2.5 16.5 0.2 CL A:CL2229 2.9 16.3 0.2 CL A:CL2231 3.0 21.3 0.2 NZ A:LYS133 3.8 24.0 1.0 CE A:LYS133 4.7 21.5 1.0

T.C.Mueser, C.E.Jones, N.G.Nossal, C.C.Hyde. Bacteriophage T4 Gene 59 Helicase Assembly Protein Binds Replication Fork Dna. the 1.45 A Resolution Crystal Structure Reveals A Novel Alpha-Helical Two-Domain Fold. J.Mol.Biol. V. 296 597 2000.
ISSN: ISSN 0022-2836
PubMed: 10669611
DOI: 10.1006/JMBI.1999.3438