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Calcium in PDB 4xwp: Structure of Pe-Ppe Domains of Esx-1 Secreted Protein Espb, C2221 in Presence of Ca

Protein crystallography data

The structure of Structure of Pe-Ppe Domains of Esx-1 Secreted Protein Espb, C2221 in Presence of Ca, PDB code: 4xwp was solved by K.V.Korotkov, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 59.57 / 1.82
Space group C 2 2 21
Cell size a, b, c (Å), α, β, γ (°) 66.240, 69.510, 119.140, 90.00, 90.00, 90.00
R / Rfree (%) 19.9 / 23.4

Calcium Binding Sites:

The binding sites of Calcium atom in the Structure of Pe-Ppe Domains of Esx-1 Secreted Protein Espb, C2221 in Presence of Ca (pdb code 4xwp). 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 Structure of Pe-Ppe Domains of Esx-1 Secreted Protein Espb, C2221 in Presence of Ca, PDB code: 4xwp:

Calcium binding site 1 out of 1 in 4xwp

Go back to Calcium Binding Sites List in 4xwp
Calcium binding site 1 out of 1 in the Structure of Pe-Ppe Domains of Esx-1 Secreted Protein Espb, C2221 in Presence of Ca


Mono view


Stereo pair view

A full contact list of Calcium with other atoms in the Ca binding site number 1 of Structure of Pe-Ppe Domains of Esx-1 Secreted Protein Espb, C2221 in Presence of Ca within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Ca501

b:56.8
occ:1.00
OE2 A:GLU222 2.4 40.0 1.0
O A:HOH635 2.4 40.0 1.0
O A:HOH658 2.5 35.5 1.0
OE1 A:GLU222 3.0 36.7 1.0
CD A:GLU222 3.1 37.2 1.0
NE A:ARG221 4.2 51.6 1.0
CG A:GLU222 4.6 33.7 1.0
NH2 A:ARG221 4.6 57.8 1.0
CZ A:ARG221 4.8 56.4 1.0
O A:HOH603 4.9 24.2 1.0
O A:HOH719 5.0 51.5 1.0
CG A:ARG221 5.0 40.3 1.0
CD A:ARG221 5.0 43.8 1.0

Reference:

N.Korotkova, J.Piton, J.M.Wagner, S.Boy-Rottger, A.Japaridze, T.J.Evans, S.T.Cole, F.Pojer, K.V.Korotkov. Structure of Espb, A Secreted Substrate of the Esx-1 Secretion System of Mycobacterium Tuberculosis. To Be Published.
Page generated: Wed Jul 9 02:58:49 2025

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