Phosphorus in PDB 1a40: Phosphate-Binding Protein with Ala 197 Replaced with Trp

The structure of Phosphate-Binding Protein with Ala 197 Replaced with Trp, PDB code: 1a40 was solved by P.S.Ledivina, Z.Wang, A.Tsai, E.Koehl, F.A.Quiocho, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	15.00 / 1.70
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	41.410, 62.760, 122.730, 90.00, 90.00, 90.00
R / Rfree (%)	20.3 / 26.9

The binding sites of Phosphorus atom in the Phosphate-Binding Protein with Ala 197 Replaced with Trp (pdb code 1a40). This binding sites where shown within 5.0 Angstroms radius around Phosphorus atom.
In total only one binding site of Phosphorus was determined in the Phosphate-Binding Protein with Ala 197 Replaced with Trp, PDB code: 1a40:

Phosphorus binding site 1 out of 1 in the Phosphate-Binding Protein with Ala 197 Replaced with Trp


Mono view


Stereo pair view

A full contact list of Phosphorus with other atoms in the P binding site number 1 of Phosphate-Binding Protein with Ala 197 Replaced with Trp within 5.0Å range: probe atom residue distance (Å) B Occ A:P322 b:6.7 occ:1.00 P A:PO4322 0.0 6.7 1.0 O1 A:PO4322 1.5 7.0 1.0 O3 A:PO4322 1.5 7.8 1.0 O4 A:PO4322 1.6 6.3 1.0 O2 A:PO4322 1.6 5.2 1.0 OD2 A:ASP56 3.3 5.6 1.0 NH2 A:ARG135 3.4 2.9 1.0 N A:THR10 3.5 6.2 1.0 N A:GLY140 3.6 5.3 1.0 OG1 A:THR141 3.7 4.9 1.0 OG1 A:THR10 3.8 3.9 1.0 NH1 A:ARG135 3.8 4.6 1.0 N A:THR141 3.8 5.7 1.0 OG A:SER139 3.9 4.7 1.0 CA A:ALA9 3.9 5.0 1.0 OG A:SER38 3.9 4.7 1.0 N A:SER38 3.9 5.4 1.0 N A:PHE11 4.0 5.7 1.0 CZ A:ARG135 4.1 6.0 1.0 CA A:GLY37 4.1 7.8 1.0 CB A:ALA9 4.2 3.9 1.0 C A:ALA9 4.2 5.4 1.0 CA A:GLY140 4.3 4.8 1.0 CA A:SER139 4.3 7.2 1.0 CB A:SER139 4.3 5.2 1.0 ND2 A:ASN177 4.4 7.4 1.0 C A:SER139 4.4 7.7 1.0 CB A:PHE11 4.4 4.4 1.0 CG A:ASP56 4.5 5.1 1.0 CA A:THR10 4.5 6.6 1.0 CB A:THR141 4.5 4.1 1.0 C A:GLY140 4.5 5.2 1.0 C A:GLY37 4.5 6.1 1.0 CB A:THR10 4.6 6.0 1.0 CB A:SER38 4.7 4.2 1.0 C A:THR10 4.7 5.6 1.0 CA A:THR141 4.8 5.6 1.0 CA A:PHE11 4.8 4.8 1.0 CG2 A:THR10 4.9 5.9 1.0 CA A:SER38 4.9 6.1 1.0 OD1 A:ASP56 5.0 5.4 1.0

P.S.Ledvina, A.L.Tsai, Z.Wang, E.Koehl, F.A.Quiocho. Dominant Role of Local Dipolar Interactions in Phosphate Binding to A Receptor Cleft with An Electronegative Charge Surface: Equilibrium, Kinetic, and Crystallographic Studies. Protein Sci. V. 7 2550 1998.
ISSN: ISSN 0961-8368
PubMed: 9865949