Zinc in PDB 2qtv: Structure of SEC23-SAR1 Complexed with the Active Fragment of SEC31

The structure of Structure of SEC23-SAR1 Complexed with the Active Fragment of SEC31, PDB code: 2qtv was solved by J.Goldberg, X.Bi, J.D.Mancias, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	30.00 / 2.50
Space group	P 21 21 2
Cell size a, b, c (Å), α, β, γ (°)	94.748, 133.213, 82.041, 90.00, 90.00, 90.00
R / Rfree (%)	20.5 / 26.2

The structure of Structure of SEC23-SAR1 Complexed with the Active Fragment of SEC31 also contains other interesting chemical elements:

Magnesium

(Mg)

1 atom

The binding sites of Zinc atom in the Structure of SEC23-SAR1 Complexed with the Active Fragment of SEC31 (pdb code 2qtv). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total only one binding site of Zinc was determined in the Structure of SEC23-SAR1 Complexed with the Active Fragment of SEC31, PDB code: 2qtv:

Zinc binding site 1 out of 1 in the Structure of SEC23-SAR1 Complexed with the Active Fragment of SEC31


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Structure of SEC23-SAR1 Complexed with the Active Fragment of SEC31 within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn800 b:42.7 occ:1.00 SG A:CYS56 2.4 36.6 1.0 SG A:CYS61 2.4 44.9 1.0 SG A:CYS80 2.4 40.9 1.0 SG A:CYS83 2.4 42.3 1.0 CB A:CYS80 3.1 39.6 1.0 CB A:CYS56 3.3 36.3 1.0 CB A:CYS61 3.4 46.9 1.0 CB A:CYS83 3.5 42.7 1.0 N A:CYS83 3.8 39.3 1.0 CB A:SER63 4.1 41.4 1.0 CA A:CYS83 4.2 42.0 1.0 OG A:SER85 4.3 49.4 1.0 OG A:SER63 4.3 42.7 1.0 CA A:GLY58 4.5 50.4 1.0 CA A:CYS80 4.5 39.7 1.0 CB A:ILE82 4.5 35.5 1.0 N A:GLY58 4.6 47.8 1.0 N A:SER63 4.6 41.4 1.0 ND2 A:ASN87 4.7 52.8 1.0 CA A:CYS56 4.8 36.7 1.0 CA A:CYS61 4.8 48.0 1.0 C A:ILE82 4.8 38.1 1.0 N A:ASN84 4.8 44.8 1.0 C A:CYS83 4.9 43.5 1.0 C A:CYS80 5.0 38.4 1.0 CA A:SER63 5.0 40.8 1.0

X.Bi, J.D.Mancias, J.Goldberg. Insights Into Copii Coat Nucleation From the Structure of SEC23.SAR1 Complexed with the Active Fragment of SEC31. Dev.Cell V. 13 635 2007.
ISSN: ISSN 1534-5807
PubMed: 17981133
DOI: 10.1016/J.DEVCEL.2007.10.006