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Potassium in PDB 3q8k: Crystal Structure of Human Flap Endonuclease FEN1 (Wt) in Complex with Product 5'-Flap Dna, SM3+, and K+

Protein crystallography data

The structure of Crystal Structure of Human Flap Endonuclease FEN1 (Wt) in Complex with Product 5'-Flap Dna, SM3+, and K+, PDB code: 3q8k was solved by S.E.Tsutakawa, S.Classen, B.R.Chapados, A.Arvai, D.L.Finger, G.Guenther, C.G.Tomlinson, P.Thompson, A.H.Sarker, B.Shen, P.K.Cooper, J.A.Grasby, J.A.Tainer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 34.46 / 2.20
Space group P 31 2 1
Cell size a, b, c (Å), α, β, γ (°) 105.438, 105.438, 105.064, 90.00, 90.00, 120.00
R / Rfree (%) 16.8 / 21.3

Other elements in 3q8k:

The structure of Crystal Structure of Human Flap Endonuclease FEN1 (Wt) in Complex with Product 5'-Flap Dna, SM3+, and K+ also contains other interesting chemical elements:

Samarium (Sm) 4 atoms

Potassium Binding Sites:

The binding sites of Potassium atom in the Crystal Structure of Human Flap Endonuclease FEN1 (Wt) in Complex with Product 5'-Flap Dna, SM3+, and K+ (pdb code 3q8k). 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 Human Flap Endonuclease FEN1 (Wt) in Complex with Product 5'-Flap Dna, SM3+, and K+, PDB code: 3q8k:

Potassium binding site 1 out of 1 in 3q8k

Go back to Potassium Binding Sites List in 3q8k
Potassium binding site 1 out of 1 in the Crystal Structure of Human Flap Endonuclease FEN1 (Wt) in Complex with Product 5'-Flap Dna, SM3+, and K+


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 Human Flap Endonuclease FEN1 (Wt) in Complex with Product 5'-Flap Dna, SM3+, and K+ within 5.0Å range:
probe atom residue distance (Å) B Occ
A:K1101

b:82.1
occ:1.00
O A:HOH627 2.7 60.0 1.0
O D:HOH628 2.7 80.0 1.0
OP1 D:DT5 2.9 63.2 1.0
O A:ILE238 2.9 66.8 1.0
O A:ILE241 3.4 47.0 1.0
OG A:SER237 3.5 64.5 1.0
OP2 D:DT5 3.6 71.7 1.0
C A:ILE238 3.7 65.5 1.0
P D:DT5 3.7 65.0 1.0
O D:HOH640 3.8 98.4 1.0
O D:HOH187 4.0 66.0 1.0
CA A:ARG239 4.0 58.8 1.0
CB A:SER237 4.1 62.2 1.0
O A:HOH402 4.1 48.9 1.0
N A:ARG239 4.2 63.1 1.0
C A:ILE241 4.3 51.9 1.0
O A:HOH639 4.3 72.5 1.0
N A:GLY240 4.4 50.0 1.0
N A:ILE238 4.4 64.1 1.0
N A:ILE241 4.4 44.4 1.0
O A:HOH581 4.5 69.3 1.0
C A:ARG239 4.6 59.8 1.0
C A:SER237 4.6 56.2 1.0
CA A:ILE238 4.7 59.5 1.0
O3' D:DC4 4.7 51.6 1.0
CA A:ILE241 4.9 50.4 1.0
O D:HOH253 4.9 72.2 1.0
O A:LEU229 4.9 51.2 1.0
O5' D:DT5 5.0 73.0 1.0
CA A:SER237 5.0 53.8 1.0

Reference:

S.E.Tsutakawa, S.Classen, B.R.Chapados, A.S.Arvai, L.D.Finger, G.Guenther, C.G.Tomlinson, P.Thompson, A.H.Sarker, B.Shen, P.K.Cooper, J.A.Grasby, J.A.Tainer. Human Flap Endonuclease Structures, Dna Double-Base Flipping, and A Unified Understanding of the FEN1 Superfamily. Cell(Cambridge,Mass.) V. 145 198 2011.
ISSN: ISSN 0092-8674
PubMed: 21496641
DOI: 10.1016/J.CELL.2011.03.004
Page generated: Sun Dec 13 23:21:47 2020

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