Nickel in PDB 2gk2: Crystal Structure of the N Terminal Domain of Human CEACAM1

The structure of Crystal Structure of the N Terminal Domain of Human CEACAM1, PDB code: 2gk2 was solved by A.Fedarovich, J.Tomberg, R.A.Nicholas, C.Davies, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	50.00 / 2.20
Space group	P 63
Cell size a, b, c (Å), α, β, γ (°)	86.200, 86.200, 62.000, 90.00, 90.00, 120.00
R / Rfree (%)	21 / 25.8

The binding sites of Nickel atom in the Crystal Structure of the N Terminal Domain of Human CEACAM1 (pdb code 2gk2). This binding sites where shown within 5.0 Angstroms radius around Nickel atom.
In total 2 binding sites of Nickel where determined in the Crystal Structure of the N Terminal Domain of Human CEACAM1, PDB code: 2gk2:
Jump to Nickel binding site number: 1; 2;

Nickel binding site 1 out of 2 in the Crystal Structure of the N Terminal Domain of Human CEACAM1


Mono view


Stereo pair view

A full contact list of Nickel with other atoms in the Ni binding site number 1 of Crystal Structure of the N Terminal Domain of Human CEACAM1 within 5.0Å range: probe atom residue distance (Å) B Occ A:Ni200 b:32.2 occ:0.33 NE2 A:HIS105 2.0 35.6 1.0 O A:HOH203 2.3 9.5 0.3 CE1 A:HIS105 2.9 34.7 1.0 CD2 A:HIS105 3.1 34.3 1.0 O A:VAL106 3.9 36.5 1.0 ND1 A:HIS105 4.1 35.1 1.0 CG A:HIS105 4.2 35.6 1.0 O A:HOH206 4.9 32.8 1.0 C A:VAL106 5.0 37.4 1.0

Nickel binding site 2 out of 2 in the Crystal Structure of the N Terminal Domain of Human CEACAM1


Mono view


Stereo pair view

A full contact list of Nickel with other atoms in the Ni binding site number 2 of Crystal Structure of the N Terminal Domain of Human CEACAM1 within 5.0Å range: probe atom residue distance (Å) B Occ B:Ni201 b:80.1 occ:1.00 NE2 B:HIS105 2.2 46.1 1.0 CD2 B:HIS105 2.8 44.0 1.0 CE1 B:HIS105 3.4 45.5 1.0 O B:VAL106 4.1 42.9 1.0 CG B:HIS105 4.1 43.8 1.0 ND1 B:HIS105 4.3 44.8 1.0 NE2 B:GLN80 4.8 52.9 1.0

A.Fedarovich, J.Tomberg, R.A.Nicholas, C.Davies. Structure of the N-Terminal Domain of Human CEACAM1: Binding Target of the Opacity Proteins During Invasion of Neisseria Meningitidis and N. Gonorrhoeae. Acta Crystallogr.,Sect.D V. 62 971 2006.
ISSN: ISSN 0907-4449
PubMed: 16929097
DOI: 10.1107/S0907444906020737