Zinc in PDB 1m2o: Crystal Structure of the SEC23-SAR1 Complex

The structure of Crystal Structure of the SEC23-SAR1 Complex, PDB code: 1m2o was solved by X.Bi, R.A.Corpina, J.Goldberg, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	23.85 / 2.50
Space group	P 21 21 21
Cell size a, b, c (Å), α, β, γ (°)	47.196, 151.158, 271.625, 90.00, 90.00, 90.00
R / Rfree (%)	23.8 / 29.4

The structure of Crystal Structure of the SEC23-SAR1 Complex also contains other interesting chemical elements:

Magnesium

(Mg)

2 atoms

The binding sites of Zinc atom in the Crystal Structure of the SEC23-SAR1 Complex (pdb code 1m2o). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 2 binding sites of Zinc where determined in the Crystal Structure of the SEC23-SAR1 Complex, PDB code: 1m2o:
Jump to Zinc binding site number: 1; 2;

Zinc binding site 1 out of 2 in the Crystal Structure of the SEC23-SAR1 Complex


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Crystal Structure of the SEC23-SAR1 Complex within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn800 b:34.4 occ:1.00 SG A:CYS56 2.3 43.9 1.0 SG A:CYS80 2.4 41.2 1.0 SG A:CYS61 2.5 45.0 1.0 SG A:CYS83 2.5 42.0 1.0 CB A:CYS80 3.1 44.4 1.0 CB A:CYS56 3.3 40.0 1.0 CB A:CYS61 3.3 43.9 1.0 CB A:CYS83 3.5 44.8 1.0 N A:CYS83 3.8 44.2 1.0 CA A:CYS83 4.2 45.6 1.0 CB A:ILE82 4.5 39.1 1.0 OG A:SER85 4.5 47.2 1.0 CB A:SER63 4.5 36.9 1.0 CA A:GLY58 4.6 49.2 1.0 CA A:CYS80 4.6 44.8 1.0 N A:GLY58 4.6 47.2 1.0 OG A:SER63 4.7 40.5 1.0 CA A:CYS56 4.8 40.1 1.0 C A:ILE82 4.8 41.9 1.0 CA A:CYS61 4.8 44.3 1.0 C A:CYS83 4.8 46.9 1.0 N A:SER63 4.9 38.1 1.0 N A:ASN84 5.0 48.6 1.0

Zinc binding site 2 out of 2 in the Crystal Structure of the SEC23-SAR1 Complex


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Crystal Structure of the SEC23-SAR1 Complex within 5.0Å range: probe atom residue distance (Å) B Occ C:Zn800 b:30.1 occ:1.00 SG C:CYS80 2.3 35.5 1.0 SG C:CYS83 2.3 39.1 1.0 SG C:CYS56 2.4 25.1 1.0 SG C:CYS61 2.4 32.4 1.0 CB C:CYS80 2.9 35.7 1.0 CB C:CYS61 3.2 36.8 1.0 CB C:CYS83 3.5 37.2 1.0 CB C:CYS56 3.5 27.5 1.0 N C:CYS83 3.7 35.6 1.0 OG C:SER85 4.1 46.6 1.0 CA C:CYS83 4.1 38.0 1.0 CA C:CYS80 4.4 33.7 1.0 CB C:ILE82 4.4 33.4 1.0 CB C:SER63 4.5 31.3 1.0 CA C:CYS61 4.7 36.7 1.0 CA C:GLY58 4.7 36.6 1.0 C C:ILE82 4.7 35.0 1.0 OG C:SER63 4.8 37.1 1.0 C C:CYS83 4.8 38.4 1.0 C C:CYS80 4.8 32.7 1.0 N C:SER63 4.9 30.7 1.0 N C:ASN84 4.9 38.8 1.0 N C:GLY58 4.9 35.1 1.0 N C:ILE82 4.9 33.4 1.0 CA C:CYS56 5.0 28.5 1.0 CA C:ILE82 5.0 33.4 1.0 O C:CYS80 5.0 33.1 1.0 CG1 C:ILE82 5.0 31.7 1.0

X.Bi, R.A.Corpina, J.Goldberg. Structure of the SEC23/24-SAR1 Pre-Budding Complex of the Copii Vesicle Coat Nature V. 419 271 2002.
ISSN: ISSN 0028-0836
PubMed: 12239560
DOI: 10.1038/NATURE01040