Zinc in PDB 1a1g: Dsnr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcgt Site)

The structure of Dsnr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcgt Site), PDB code: 1a1g was solved by M.Elrod-Erickson, T.E.Benson, C.O.Pabo, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	20.00 / 1.90
Space group	C 2 2 21
Cell size a, b, c (Å), α, β, γ (°)	43.300, 55.800, 129.900, 90.00, 90.00, 90.00
R / Rfree (%)	21.5 / 27.5

The binding sites of Zinc atom in the Dsnr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcgt Site) (pdb code 1a1g). This binding sites where shown within 5.0 Angstroms radius around Zinc atom.
In total 3 binding sites of Zinc where determined in the Dsnr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcgt Site), PDB code: 1a1g:
Jump to Zinc binding site number: 1; 2; 3;

Zinc binding site 1 out of 3 in the Dsnr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcgt Site)


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 1 of Dsnr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcgt Site) within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn201 b:55.3 occ:1.00 NE2 A:HIS129 1.8 39.4 1.0 SG A:CYS107 2.2 67.7 1.0 SG A:CYS112 2.3 87.9 1.0 NE2 A:HIS125 2.4 38.9 1.0 CE1 A:HIS129 2.7 39.5 1.0 CD2 A:HIS129 2.9 39.2 1.0 CB A:CYS112 3.0 87.1 1.0 CE1 A:HIS125 3.1 38.5 1.0 CB A:CYS107 3.5 72.8 1.0 CD2 A:HIS125 3.5 38.4 1.0 ND1 A:HIS129 3.9 39.7 1.0 CG A:HIS129 4.0 39.9 1.0 ND1 A:HIS125 4.3 39.0 1.0 CA A:CYS112 4.5 86.6 1.0 CG A:HIS125 4.5 38.7 1.0 CB A:VAL109 4.7 74.3 1.0 CA A:CYS107 4.8 74.3 1.0 C A:CYS112 4.9 86.7 1.0 CG2 A:VAL109 4.9 73.6 1.0

Zinc binding site 2 out of 3 in the Dsnr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcgt Site)


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 2 of Dsnr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcgt Site) within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn202 b:28.9 occ:1.00 NE2 A:HIS157 2.0 27.8 1.0 NE2 A:HIS153 2.1 17.7 1.0 SG A:CYS137 2.2 26.6 1.0 SG A:CYS140 2.3 28.0 1.0 CE1 A:HIS157 2.9 27.1 1.0 CB A:CYS137 3.0 27.2 1.0 CD2 A:HIS153 3.1 18.4 1.0 CE1 A:HIS153 3.1 17.4 1.0 CD2 A:HIS157 3.2 25.8 1.0 CB A:CYS140 3.3 29.9 1.0 N A:CYS140 3.5 29.2 1.0 CA A:CYS140 4.0 29.6 1.0 ND1 A:HIS157 4.0 27.0 1.0 ND1 A:HIS153 4.2 18.4 1.0 CG A:HIS157 4.2 26.1 1.0 CG A:HIS153 4.2 18.5 1.0 O A:HOH431 4.3 39.5 1.0 CA A:CYS137 4.4 29.0 1.0 CB A:ILE139 4.4 27.5 1.0 C A:ILE139 4.5 29.5 1.0 C A:CYS140 4.6 30.4 1.0 N A:MET141 4.8 31.0 1.0 CA A:ILE139 4.8 29.1 1.0 C A:CYS137 4.8 29.9 1.0 N A:ILE139 4.8 30.6 1.0 O A:CYS137 4.8 29.6 1.0 CB A:ARG142 4.9 28.2 1.0 N A:ARG142 5.0 30.9 1.0

Zinc binding site 3 out of 3 in the Dsnr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcgt Site)


Mono view


Stereo pair view

A full contact list of Zinc with other atoms in the Zn binding site number 3 of Dsnr (ZIF268 Variant) Zinc Finger-Dna Complex (Gcgt Site) within 5.0Å range: probe atom residue distance (Å) B Occ A:Zn203 b:24.0 occ:1.00 NE2 A:HIS185 2.0 16.1 1.0 NE2 A:HIS181 2.1 18.8 1.0 SG A:CYS168 2.3 21.4 1.0 SG A:CYS165 2.3 20.6 1.0 CE1 A:HIS185 2.9 17.4 1.0 CD2 A:HIS185 3.0 17.5 1.0 CD2 A:HIS181 3.0 18.2 1.0 CB A:CYS165 3.2 18.8 1.0 CE1 A:HIS181 3.2 19.1 1.0 CB A:CYS168 3.3 22.6 1.0 N A:CYS168 3.6 23.6 1.0 CA A:CYS168 4.0 22.6 1.0 ND1 A:HIS185 4.0 18.6 1.0 CG A:HIS185 4.1 18.4 1.0 CG A:HIS181 4.2 19.5 1.0 ND1 A:HIS181 4.3 18.4 1.0 CB A:ILE167 4.5 22.4 1.0 C A:ILE167 4.6 23.4 1.0 CA A:CYS165 4.6 20.2 1.0 N A:GLY169 4.6 21.8 1.0 C A:CYS168 4.6 22.8 1.0 CB A:ARG170 4.7 22.4 1.0 N A:ARG170 4.8 22.6 1.0 CA A:ILE167 4.9 23.1 1.0 N A:ILE167 4.9 22.9 1.0

M.Elrod-Erickson, T.E.Benson, C.O.Pabo. High-Resolution Structures of Variant ZIF268-Dna Complexes: Implications For Understanding Zinc Finger-Dna Recognition. Structure V. 6 451 1998.
ISSN: ISSN 0969-2126
PubMed: 9562555
DOI: 10.1016/S0969-2126(98)00047-1