Potassium in PDB 1elq: Crystal Structure of the Cystine C-S Lyase C-Des

The structure of Crystal Structure of the Cystine C-S Lyase C-Des, PDB code: 1elq was solved by T.Clausen, J.T.Kaiser, C.Steegborn, R.Huber, D.Kessler, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	25.00 / 1.80
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	62.400, 65.400, 170.100, 90.00, 90.00, 90.00
R / Rfree (%)	19.8 / 24.9

The binding sites of Potassium atom in the Crystal Structure of the Cystine C-S Lyase C-Des (pdb code 1elq). This binding sites where shown within 5.0 Angstroms radius around Potassium atom.
In total 2 binding sites of Potassium where determined in the Crystal Structure of the Cystine C-S Lyase C-Des, PDB code: 1elq:
Jump to Potassium binding site number: 1; 2;

Potassium binding site 1 out of 2 in the Crystal Structure of the Cystine C-S Lyase C-Des


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 the Cystine C-S Lyase C-Des within 5.0Å range: probe atom residue distance (Å) B Occ A:K1001 b:27.9 occ:1.00 O A:VAL322 2.6 27.8 1.0 O A:LEU319 2.6 26.3 1.0 O A:ASN317 2.8 25.8 1.0 O A:LEU316 3.1 20.2 1.0 O A:HOH1275 3.2 25.9 1.0 C A:ASN317 3.3 24.0 1.0 CA A:ASN317 3.5 22.7 1.0 C A:VAL322 3.7 27.9 1.0 C A:LEU319 3.8 25.9 1.0 O A:HOH1060 3.9 39.5 1.0 C A:LEU316 4.1 23.7 1.0 N A:LEU319 4.2 25.9 1.0 N A:ASN317 4.3 23.7 1.0 CD2 A:HIS323 4.3 35.4 1.0 N A:GLN318 4.4 23.8 1.0 N A:VAL322 4.5 28.4 1.0 CA A:LEU319 4.5 26.1 1.0 CA A:VAL322 4.6 26.1 1.0 CB A:VAL322 4.6 22.2 1.0 N A:HIS323 4.6 26.0 1.0 CA A:HIS323 4.6 25.5 1.0 C A:GLN318 4.7 27.2 1.0 N A:PRO320 4.7 27.4 1.0 CB A:ASN317 4.7 24.4 1.0 O A:PRO320 4.8 27.3 1.0 C A:PRO320 4.8 26.5 1.0 CA A:PRO320 4.8 27.7 1.0 NE2 A:HIS323 5.0 38.6 1.0 CA A:GLN318 5.0 26.1 1.0 OD1 A:ASN317 5.0 28.4 1.0

Potassium binding site 2 out of 2 in the Crystal Structure of the Cystine C-S Lyase C-Des


Mono view


Stereo pair view

A full contact list of Potassium with other atoms in the K binding site number 2 of Crystal Structure of the Cystine C-S Lyase C-Des within 5.0Å range: probe atom residue distance (Å) B Occ B:K1002 b:34.5 occ:1.00 O B:VAL322 2.7 27.2 1.0 O B:LEU319 2.7 33.3 1.0 O B:ASN317 2.8 32.1 1.0 O B:HOH1102 3.1 29.4 1.0 O B:LEU316 3.1 24.0 1.0 C B:ASN317 3.2 31.3 1.0 CA B:ASN317 3.4 29.7 1.0 C B:LEU319 3.8 29.9 1.0 C B:VAL322 3.8 25.8 1.0 O B:HOH1296 3.9 40.5 1.0 C B:LEU316 4.0 28.2 1.0 N B:LEU319 4.2 29.5 1.0 N B:ASN317 4.2 28.1 1.0 N B:GLN318 4.2 32.3 1.0 O B:HOH1173 4.4 55.3 1.0 N B:VAL322 4.5 27.8 1.0 C B:GLN318 4.6 31.4 1.0 CA B:LEU319 4.6 30.7 1.0 CB B:ASN317 4.6 28.8 1.0 CA B:VAL322 4.6 24.0 1.0 N B:PRO320 4.7 31.9 1.0 CD2 B:HIS323 4.7 36.2 1.0 N B:HIS323 4.8 25.1 1.0 CA B:HIS323 4.8 27.3 1.0 CA B:PRO320 4.8 31.8 1.0 CB B:VAL322 4.8 22.3 1.0 CA B:GLN318 4.8 32.0 1.0 C B:PRO320 4.8 28.7 1.0 O B:PRO320 4.9 30.5 1.0 OD1 B:ASN317 5.0 31.1 1.0

T.Clausen, J.T.Kaiser, C.Steegborn, R.Huber, D.Kessler. Crystal Structure of the Cystine C-S Lyase From Synechocystis: Stabilization of Cysteine Persulfide For Fes Cluster Biosynthesis. Proc.Natl.Acad.Sci.Usa V. 97 3856 2000.
ISSN: ISSN 0027-8424
PubMed: 10760256
DOI: 10.1073/PNAS.97.8.3856