Potassium in PDB 5k97: Flap Endonuclease 1 (FEN1) D233N with Cleaved Product Fragment and SM3+

The structure of Flap Endonuclease 1 (FEN1) D233N with Cleaved Product Fragment and SM3+, PDB code: 5k97 was solved by S.E.Tsutakawa, A.S.Arvai, J.A.Tainer, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	34.85 / 2.10
Space group	P 31 2 1
Cell size a, b, c (Å), α, β, γ (°)	105.236, 105.236, 104.548, 90.00, 90.00, 120.00
R / Rfree (%)	18.2 / 21.9

The structure of Flap Endonuclease 1 (FEN1) D233N with Cleaved Product Fragment and SM3+ also contains other interesting chemical elements:

Samarium

(Sm)

8 atoms

The binding sites of Potassium atom in the Flap Endonuclease 1 (FEN1) D233N with Cleaved Product Fragment and SM3+ (pdb code 5k97). 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 Flap Endonuclease 1 (FEN1) D233N with Cleaved Product Fragment and SM3+, PDB code: 5k97:

Potassium binding site 1 out of 1 in the Flap Endonuclease 1 (FEN1) D233N with Cleaved Product Fragment and SM3+


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 1 of Flap Endonuclease 1 (FEN1) D233N with Cleaved Product Fragment and SM3+ within 5.0Å range: probe atom residue distance (Å) B Occ A:K405 b:73.0 occ:1.00 HG A:SER237 2.6 84.2 1.0 O A:ILE238 2.7 52.8 1.0 O A:HOH640 2.7 43.9 1.0 OP1 D:DT5 2.8 57.3 1.0 O D:HOH131 2.8 77.7 1.0 OG A:SER237 2.9 70.1 1.0 O A:ILE241 3.0 49.7 1.0 HA A:ARG239 3.3 80.6 1.0 C A:ILE238 3.5 63.5 1.0 HB2 A:SER237 3.6 64.8 1.0 O D:HOH140 3.7 66.0 1.0 O A:HOH610 3.7 53.5 1.0 H A:ILE241 3.7 70.2 1.0 P D:DT5 3.8 58.4 1.0 CB A:SER237 3.9 54.0 1.0 OP2 D:DT5 3.9 73.0 1.0 H A:ILE238 3.9 76.4 1.0 CA A:ARG239 4.0 67.1 1.0 N A:ARG239 4.0 59.6 1.0 C A:ILE241 4.0 57.6 1.0 N A:ILE238 4.1 63.7 1.0 H A:GLY240 4.1 62.2 1.0 O A:HOH811 4.2 77.4 1.0 N A:ILE241 4.3 58.5 1.0 HB A:ILE241 4.3 71.4 1.0 CA A:ILE238 4.4 57.4 1.0 N A:GLY240 4.4 51.9 1.0 HA2 A:GLY242 4.5 60.5 1.0 C A:SER237 4.5 65.0 1.0 HB3 A:SER237 4.5 64.8 1.0 C A:ARG239 4.5 60.8 1.0 O A:LEU229 4.6 48.5 1.0 O3' D:DC4 4.7 56.7 1.0 CA A:ILE241 4.7 59.3 1.0 O A:HOH804 4.7 70.8 1.0 H A:ARG239 4.7 71.5 1.0 O A:HOH594 4.8 67.6 1.0 CA A:SER237 4.8 57.4 1.0 O A:HOH648 4.9 60.4 1.0

S.E.Tsutakawa, M.J.Thompson, A.S.Arvai, A.J.Neil, S.J.Shaw, S.I.Algasaier, J.C.Kim, L.D.Finger, E.Jardine, V.J.B.Gotham, A.H.Sarker, M.Z.Her, F.Rashid, S.M.Hamdan, S.M.Mirkin, J.A.Grasby, J.A.Tainer. Phosphate Steering By Flap Endonuclease 1 Promotes 5'-Flap Specificity and Incision to Prevent Genome Instability. Nat Commun V. 8 15855 2017.
ISSN: ESSN 2041-1723
PubMed: 28653660
DOI: 10.1038/NCOMMS15855