Iron in PDB 4xdp: Crystal Structure of Human KDM4C Catalytic Domain Bound to Tris

The structure of Crystal Structure of Human KDM4C Catalytic Domain Bound to Tris, PDB code: 4xdp was solved by K.K.Swinger, P.A.Boriack-Sjodin, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	31.42 / 2.07
Space group	C 1 2 1
Cell size a, b, c (Å), α, β, γ (°)	93.870, 89.750, 98.280, 90.00, 96.31, 90.00
R / Rfree (%)	20.7 / 24.2

The structure of Crystal Structure of Human KDM4C Catalytic Domain Bound to Tris also contains other interesting chemical elements:

Chlorine	(Cl)	6 atoms
Zinc	(Zn)	2 atoms

The binding sites of Iron atom in the Crystal Structure of Human KDM4C Catalytic Domain Bound to Tris (pdb code 4xdp). This binding sites where shown within 5.0 Angstroms radius around Iron atom.
In total 2 binding sites of Iron where determined in the Crystal Structure of Human KDM4C Catalytic Domain Bound to Tris, PDB code: 4xdp:
Jump to Iron binding site number: 1; 2;

Iron binding site 1 out of 2 in the Crystal Structure of Human KDM4C Catalytic Domain Bound to Tris


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 1 of Crystal Structure of Human KDM4C Catalytic Domain Bound to Tris within 5.0Å range: probe atom residue distance (Å) B Occ A:Fe402 b:16.0 occ:1.00 NE2 A:HIS278 1.9 16.8 1.0 NE2 A:HIS190 1.9 17.1 1.0 O2 A:TRS403 2.0 21.3 1.0 OE2 A:GLU192 2.0 16.8 1.0 O3 A:TRS403 2.0 19.8 1.0 O1 A:TRS403 2.1 19.8 1.0 CE1 A:HIS278 2.8 16.2 1.0 CE1 A:HIS190 2.8 16.4 1.0 CD2 A:HIS190 3.0 16.7 1.0 CD2 A:HIS278 3.0 15.6 1.0 CD A:GLU192 3.0 15.7 1.0 C2 A:TRS403 3.2 22.6 1.0 C3 A:TRS403 3.2 21.1 1.0 C1 A:TRS403 3.3 21.5 1.0 C A:TRS403 3.4 21.9 1.0 OE1 A:GLU192 3.4 16.1 1.0 ND1 A:HIS278 3.9 15.7 1.0 ND1 A:HIS190 3.9 16.1 1.0 CG A:HIS190 4.1 16.2 1.0 CG A:HIS278 4.1 15.1 1.0 O A:HOH610 4.2 19.9 1.0 CG A:GLU192 4.3 15.5 1.0 OG A:SER198 4.4 15.6 1.0 NZ A:LYS243 4.7 23.0 1.0 CG2 A:THR272 4.9 12.8 1.0 N A:TRS403 4.9 23.0 1.0 OG1 A:THR272 5.0 13.0 1.0

Iron binding site 2 out of 2 in the Crystal Structure of Human KDM4C Catalytic Domain Bound to Tris


Mono view


Stereo pair view

A full contact list of Iron with other atoms in the Fe binding site number 2 of Crystal Structure of Human KDM4C Catalytic Domain Bound to Tris within 5.0Å range: probe atom residue distance (Å) B Occ B:Fe402 b:20.9 occ:1.00 NE2 B:HIS278 1.9 22.7 1.0 NE2 B:HIS190 1.9 25.0 1.0 O3 B:TRS403 2.0 27.0 1.0 O1 B:TRS403 2.0 25.4 1.0 OE2 B:GLU192 2.0 26.1 1.0 O2 B:TRS403 2.1 24.9 1.0 CE1 B:HIS278 2.7 21.7 1.0 CE1 B:HIS190 2.8 23.9 1.0 CD2 B:HIS190 3.0 24.4 1.0 CD B:GLU192 3.0 23.9 1.0 C1 B:TRS403 3.0 26.5 1.0 CD2 B:HIS278 3.0 20.7 1.0 C2 B:TRS403 3.1 25.8 1.0 C3 B:TRS403 3.1 29.4 1.0 C B:TRS403 3.2 27.2 1.0 OE1 B:GLU192 3.4 24.4 1.0 ND1 B:HIS278 3.9 20.4 1.0 ND1 B:HIS190 3.9 23.3 1.0 CG B:HIS190 4.1 23.3 1.0 CG B:HIS278 4.1 19.5 1.0 CG B:GLU192 4.3 23.3 1.0 OG B:SER198 4.4 21.1 1.0 N B:TRS403 4.6 28.6 1.0 CG2 B:THR272 4.8 17.4 1.0

T.J.Wigle, K.K.Swinger, J.E.Campbell, M.D.Scholle, J.Sherrill, E.A.Admirand, P.A.Boriack-Sjodin, K.W.Kuntz, R.Chesworth, M.P.Moyer, M.P.Scott, R.A.Copeland. A High-Throughput Mass Spectrometry Assay Coupled with Redox Activity Testing Reduces Artifacts and False Positives in Lysine Demethylase Screening. J Biomol Screen 2015.
ISSN: ESSN 1552-454X
PubMed: 25755264
DOI: 10.1177/1087057115575689