Calcium in PDB 6w2q: Junction 34, DHR53-DHR4

The structure of Junction 34, DHR53-DHR4, PDB code: 6w2q was solved by M.J.Bick, T.J.Brunette, D.Baker, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	44.90 / 1.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	43.934, 57.578, 71.729, 90.00, 90.00, 90.00
R / Rfree (%)	20.1 / 22.6

The binding sites of Calcium atom in the Junction 34, DHR53-DHR4 (pdb code 6w2q). 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 Junction 34, DHR53-DHR4, PDB code: 6w2q:

Calcium binding site 1 out of 1 in the Junction 34, DHR53-DHR4


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Junction 34, DHR53-DHR4 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ca301 b:53.8 occ:1.00 OE2 A:GLU177 2.3 47.5 1.0 O A:HOH471 2.4 46.6 1.0 O A:HOH430 2.5 28.4 1.0 OE1 A:GLU177 2.5 47.1 1.0 O A:HOH486 2.6 82.9 1.0 O A:HOH477 2.6 59.6 1.0 O A:HOH427 2.6 51.3 1.0 CD A:GLU177 2.7 45.9 1.0 HE A:ARG76 3.5 51.4 1.0 HH21 A:ARG181 3.7 62.3 1.0 CG A:GLU177 4.2 41.0 1.0 HD3 A:ARG76 4.2 48.6 1.0 HE A:ARG181 4.3 56.1 1.0 O A:HOH440 4.3 30.6 1.0 NE A:ARG76 4.3 42.8 1.0 OE1 A:GLU174 4.4 30.3 1.0 HG3 A:ARG76 4.5 43.4 1.0 HG3 A:GLU177 4.5 49.2 1.0 NH2 A:ARG181 4.5 51.9 1.0 HG2 A:GLU177 4.6 49.2 1.0 OE2 A:GLU174 4.6 31.2 1.0 O A:HOH483 4.6 39.4 1.0 CD A:ARG76 4.7 40.5 1.0 O A:HOH472 4.7 36.4 1.0 HH21 A:ARG76 4.8 50.5 1.0 CD A:GLU174 4.9 30.3 1.0 HB3 A:GLU177 5.0 42.1 1.0 O A:HOH428 5.0 28.6 1.0

T.J.Brunette, M.J.Bick, J.M.Hansen, C.M.Chow, J.M.Kollman, D.Baker. Modular Repeat Protein Sculpting Using Rigid Helical Junctions. Proc.Natl.Acad.Sci.Usa 2020.
ISSN: ESSN 1091-6490
PubMed: 32245816
DOI: 10.1073/PNAS.1908768117