Bismuth in PDB 9pps: Co- and Bi-Bound Structure of the H77C Variant of TRICYT2

The structure of Co- and Bi-Bound Structure of the H77C Variant of TRICYT2, PDB code: 9pps was solved by V.H.Eng, F.A.Tezcan, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	43.77 / 2.00
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	55.54, 71.09, 75.44, 90, 90, 90
R / Rfree (%)	21.8 / 25.7

The structure of Co- and Bi-Bound Structure of the H77C Variant of TRICYT2 also contains other interesting chemical elements:

Sodium	(Na)	1 atom
Cobalt	(Co)	1 atom

The binding sites of Bismuth atom in the Co- and Bi-Bound Structure of the H77C Variant of TRICYT2 (pdb code 9pps). This binding sites where shown within 5.0 Angstroms radius around Bismuth atom.
In total only one binding site of Bismuth was determined in the Co- and Bi-Bound Structure of the H77C Variant of TRICYT2, PDB code: 9pps:

Bismuth binding site 1 out of 1 in the Co- and Bi-Bound Structure of the H77C Variant of TRICYT2


Mono view


Stereo pair view

A full contact list of Bismuth with other atoms in the Bi binding site number 1 of Co- and Bi-Bound Structure of the H77C Variant of TRICYT2 within 5.0Å range: probe atom residue distance (Å) B Occ A:Bi201 b:41.1 occ:0.48 O C:HOH271 2.7 53.4 1.0 SG B:CYS77 2.8 51.6 1.0 SG C:CYS77 2.9 60.5 1.0 SG A:CYS77 3.1 58.7 1.0 O A:HOH357 3.2 51.0 1.0 O A:HOH361 3.2 52.6 1.0 CO A:CO203 3.2 48.3 0.4 CB B:CYS77 3.7 45.5 1.0 CB A:CYS77 3.8 46.9 1.0 CB C:CYS77 3.9 44.7 1.0 NE2 C:HIS73 4.6 35.9 1.0 CA A:CYS77 4.7 45.4 1.0 NE2 B:HIS73 4.7 47.5 1.0 CA B:CYS77 4.7 42.5 1.0 CA C:CYS77 4.8 50.6 1.0 NE2 A:HIS73 4.9 59.2 1.0

V.H.Eng, M.Gascon, A.Kakkis, F.A.Tezcan. Design of A Protein Scaffold with A Selective, Bi-Containing Heterodinuclear Metal Coordination Motif. J.Inorg.Biochem. V. 274 13104 2025.
ISSN: ISSN 0162-0134
PubMed: 41072111
DOI: 10.1016/J.JINORGBIO.2025.113104