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Potassium in PDB 1rtx: Crystal Structure of Synechocystis Hemoglobin with A Covalent Heme Linkage

Protein crystallography data

The structure of Crystal Structure of Synechocystis Hemoglobin with A Covalent Heme Linkage, PDB code: 1rtx was solved by J.A.Hoy, S.Kundu, J.T.Trent, S.Ramaswamy, M.S.Hargrove, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 36.76 / 1.80
Space group P 21 21 21
Cell size a, b, c (Å), α, β, γ (°) 42.500, 46.000, 61.000, 90.00, 90.00, 90.00
R / Rfree (%) 21.8 / 22.4

Other elements in 1rtx:

The structure of Crystal Structure of Synechocystis Hemoglobin with A Covalent Heme Linkage also contains other interesting chemical elements:

Cadmium (Cd) 2 atoms
Iron (Fe) 1 atom

Potassium Binding Sites:

The binding sites of Potassium atom in the Crystal Structure of Synechocystis Hemoglobin with A Covalent Heme Linkage (pdb code 1rtx). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total only one binding site of Potassium was determined in the Crystal Structure of Synechocystis Hemoglobin with A Covalent Heme Linkage, PDB code: 1rtx:

Potassium binding site 1 out of 1 in 1rtx

Go back to Potassium Binding Sites List in 1rtx
Potassium binding site 1 out of 1 in the Crystal Structure of Synechocystis Hemoglobin with A Covalent Heme Linkage


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Crystal Structure of Synechocystis Hemoglobin with A Covalent Heme Linkage within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K129

b:66.6
occ:1.00
O A:HOH206 2.0 40.5 1.0
O A:HOH205 2.0 55.3 1.0
O A:HOH137 3.4 36.7 1.0
N A:THR11 3.7 31.5 1.0
N A:THR12 4.2 29.4 1.0
CA A:GLY10 4.3 32.5 1.0
CB A:THR11 4.3 31.9 1.0
C A:GLY10 4.3 32.4 1.0
CA A:THR11 4.5 31.4 1.0
O A:GLY9 4.7 34.9 1.0
OG1 A:THR12 4.7 30.6 1.0
OG1 A:THR11 4.8 33.1 1.0
CB A:THR12 4.9 28.3 1.0
C A:THR11 4.9 30.4 1.0

Reference:

J.A.Hoy, S.Kundu, J.T.Trent, S.Ramaswamy, M.S.Hargrove. The Crystal Structure of Synechocystis Hemoglobin with A Covalent Heme Linkage. J.Biol.Chem. V. 279 16535 2004.
ISSN: ISSN 0021-9258
PubMed: 14736872
DOI: 10.1074/JBC.M313707200
Page generated: Mon Aug 12 05:17:56 2024

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