Potassium in PDB 1jqf: Human Transferrin N-Lobe Mutant H249Q

The structure of Human Transferrin N-Lobe Mutant H249Q, PDB code: 1jqf was solved by H.M.Baker, A.B.Mason, Q.-Y.He, R.T.A.Macgillivray, E.N.Baker, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 1.85
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	44.200, 57.200, 135.750, 90.00, 90.00, 90.00
R / Rfree (%)	22.1 / 24.6

The structure of Human Transferrin N-Lobe Mutant H249Q also contains other interesting chemical elements:

Iron

(Fe)

1 atom

The binding sites of Potassium atom in the Human Transferrin N-Lobe Mutant H249Q (pdb code 1jqf). 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 Human Transferrin N-Lobe Mutant H249Q, PDB code: 1jqf:

Potassium binding site 1 out of 1 in the Human Transferrin N-Lobe Mutant H249Q


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Human Transferrin N-Lobe Mutant H249Q within 5.0Å range: probe atom residue distance (Å) B Occ A:K701 b:18.1 occ:1.00 O A:PHE154 2.5 12.7 1.0 OE1 A:GLN169 2.7 18.3 1.0 O A:HOH821 2.7 19.1 1.0 O A:ALA151 2.9 13.9 1.0 O A:ASN152 3.1 13.6 1.0 C A:ASN152 3.5 13.7 1.0 CA A:ASN152 3.5 13.9 1.0 CD A:GLN169 3.6 18.1 1.0 C A:PHE154 3.7 12.7 1.0 C A:ALA151 3.9 13.9 1.0 NE2 A:GLN169 3.9 18.1 1.0 CA A:SER155 4.1 12.6 1.0 N A:ASN152 4.1 13.8 1.0 O A:HOH875 4.2 19.9 1.0 O A:HOH757 4.4 14.4 1.0 N A:SER155 4.4 12.6 1.0 N A:PHE153 4.5 13.5 1.0 O A:HOH850 4.5 22.3 1.0 N A:PHE154 4.7 12.9 1.0 CB A:ASN152 4.7 14.1 1.0 O A:HOH707 4.7 10.9 1.0 C A:PHE153 4.8 13.2 1.0 OD1 A:ASN152 4.9 14.6 1.0 CA A:PHE154 4.9 12.8 1.0 C A:SER155 4.9 12.6 1.0 N A:GLY156 5.0 12.5 1.0

H.M.Baker, A.B.Mason, Q.Y.He, R.T.Macgillivray, E.N.Baker. Ligand Variation in the Transferrin Family: the Crystal Structure of the H249Q Mutant of the Human Transferrin N-Lobe As A Model For Iron Binding in Insect Transferrins. Biochemistry V. 40 11670 2001.
ISSN: ISSN 0006-2960
PubMed: 11570867
DOI: 10.1021/BI010907P