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Potassium in PDB 3k13: Structure of the Pterin-Binding Domain Metr of 5- Methyltetrahydrofolate-Homocysteine Methyltransferase From Bacteroides Thetaiotaomicron

Protein crystallography data

The structure of Structure of the Pterin-Binding Domain Metr of 5- Methyltetrahydrofolate-Homocysteine Methyltransferase From Bacteroides Thetaiotaomicron, PDB code: 3k13 was solved by M.E.Cuff, H.Li, G.Cobb, A.Joachimiak, Midwest Center For Structuralgenomics (Mcsg), with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 46.81 / 2.00
Space group C 1 2 1
Cell size a, b, c (Å), α, β, γ (°) 137.652, 79.992, 127.068, 90.00, 90.12, 90.00
R / Rfree (%) 16 / 18.8

Other elements in 3k13:

The structure of Structure of the Pterin-Binding Domain Metr of 5- Methyltetrahydrofolate-Homocysteine Methyltransferase From Bacteroides Thetaiotaomicron also contains other interesting chemical elements:

Sodium (Na) 5 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Structure of the Pterin-Binding Domain Metr of 5- Methyltetrahydrofolate-Homocysteine Methyltransferase From Bacteroides Thetaiotaomicron (pdb code 3k13). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Structure of the Pterin-Binding Domain Metr of 5- Methyltetrahydrofolate-Homocysteine Methyltransferase From Bacteroides Thetaiotaomicron, PDB code: 3k13:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in 3k13

Go back to Potassium Binding Sites List in 3k13
Potassium binding site 1 out of 2 in the Structure of the Pterin-Binding Domain Metr of 5- Methyltetrahydrofolate-Homocysteine Methyltransferase From Bacteroides Thetaiotaomicron


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Structure of the Pterin-Binding Domain Metr of 5- Methyltetrahydrofolate-Homocysteine Methyltransferase From Bacteroides Thetaiotaomicron within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K644

b:88.6
occ:1.00
OE2 A:GLU358 3.2 30.9 1.0
OG A:SER560 3.5 27.0 1.0
O A:HOH298 3.5 50.8 1.0
CB A:SER560 4.0 26.3 1.0
O A:THH642 4.2 38.1 1.0
CD A:GLU358 4.3 31.4 1.0
ND2 A:ASN595 4.3 40.2 1.0
C A:THH642 4.3 38.8 1.0
NH2 A:ARG573 4.4 27.6 1.0
CZ A:ARG573 4.4 29.7 1.0
CB A:ASN595 4.5 32.8 1.0
N A:THH642 4.5 39.4 1.0
CE1 A:HIS577 4.5 25.9 1.0
OE1 A:GLU358 4.6 31.4 1.0
NH1 A:ARG573 4.6 29.9 1.0
CA A:THH642 4.7 41.2 1.0
O A:HOH32 4.7 32.4 1.0
O A:HOH669 4.9 41.1 1.0
C12 A:THH642 4.9 38.1 1.0
NE A:ARG573 5.0 26.9 1.0
CG A:ASN595 5.0 35.5 1.0

Potassium binding site 2 out of 2 in 3k13

Go back to Potassium Binding Sites List in 3k13
Potassium binding site 2 out of 2 in the Structure of the Pterin-Binding Domain Metr of 5- Methyltetrahydrofolate-Homocysteine Methyltransferase From Bacteroides Thetaiotaomicron


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Structure of the Pterin-Binding Domain Metr of 5- Methyltetrahydrofolate-Homocysteine Methyltransferase From Bacteroides Thetaiotaomicron within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K645

b:86.6
occ:1.00
OE2 A:THH642 2.4 54.3 1.0
CD A:THH642 3.2 48.8 1.0
OG A:SER365 3.3 34.3 1.0
OE1 A:THH642 3.5 48.0 1.0
N A:LYS367 3.7 32.5 1.0
N A:ARG366 3.8 34.5 1.0
CB A:LYS367 3.9 32.4 1.0
CB A:SER365 4.2 33.8 1.0
CA A:SER365 4.2 34.0 1.0
C A:SER365 4.3 34.5 1.0
CA A:LYS367 4.4 32.4 1.0
CG A:THH642 4.5 45.4 1.0
CA A:ARG366 4.6 35.1 1.0
C A:ARG366 4.6 33.5 1.0
CB A:ARG366 4.7 36.1 1.0
NH2 A:ARG359 4.9 48.6 1.0

Reference:

M.E.Cuff, H.Li, G.Cobb, A.Joachimiak. Structure of the Pterin-Binding Domain Metr of 5-Methyltetrahydrofolate-Homocysteine Methyltransferase From Bacteroides Thetaiotaomicron To Be Published.
Page generated: Sat Aug 9 05:12:39 2025

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