Sodium in PDB 2b22: Antiparallel Four-Stranded Coiled Coil Specified By A 3-3-1 Hydrophobic Heptad Repeat

The structure of Antiparallel Four-Stranded Coiled Coil Specified By A 3-3-1 Hydrophobic Heptad Repeat, PDB code: 2b22 was solved by Y.Deng, J.Liu, Q.Zheng, D.Eliezer, N.R.Kallenbach, M.Lu, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å)	34.70 / 2.00
Space group	I 41 2 2
Cell size a, b, c (Å), α, β, γ (°)	45.985, 45.985, 52.987, 90.00, 90.00, 90.00
R / Rfree (%)	22.4 / 27.6

The binding sites of Sodium atom in the Antiparallel Four-Stranded Coiled Coil Specified By A 3-3-1 Hydrophobic Heptad Repeat (pdb code 2b22). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total 2 binding sites of Sodium where determined in the Antiparallel Four-Stranded Coiled Coil Specified By A 3-3-1 Hydrophobic Heptad Repeat, PDB code: 2b22:
Jump to Sodium binding site number: 1; 2;

Sodium binding site 1 out of 2 in the Antiparallel Four-Stranded Coiled Coil Specified By A 3-3-1 Hydrophobic Heptad Repeat


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Antiparallel Four-Stranded Coiled Coil Specified By A 3-3-1 Hydrophobic Heptad Repeat within 5.0Å range: probe atom residue distance (Å) B Occ A:Na34 b:53.5 occ:1.00 NH2 A:ARG25 1.8 92.1 1.0 CZ A:ARG25 3.0 85.1 1.0 NE A:ARG25 3.4 80.0 1.0 NH1 A:ARG25 4.0 85.6 1.0 NE2 A:HIS18 4.2 53.0 1.0 CG2 A:VAL22 4.4 46.9 1.0 CD2 A:HIS18 4.6 54.3 1.0 CD A:ARG25 4.9 68.4 1.0 CB A:ASN21 4.9 40.6 1.0

Sodium binding site 2 out of 2 in the Antiparallel Four-Stranded Coiled Coil Specified By A 3-3-1 Hydrophobic Heptad Repeat


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 2 of Antiparallel Four-Stranded Coiled Coil Specified By A 3-3-1 Hydrophobic Heptad Repeat within 5.0Å range: probe atom residue distance (Å) B Occ A:Na35 b:56.2 occ:1.00 OE2 A:GLU10 2.8 66.3 1.0 OE1 A:GLU10 2.8 73.5 1.0 CD A:GLU10 3.1 61.4 1.0 OE2 A:GLU6 4.3 62.9 1.0 CG A:GLU10 4.6 56.0 1.0

Y.Deng, J.Liu, Q.Zheng, D.Eliezer, N.R.Kallenbach, M.Lu. Antiparallel Four-Stranded Coiled Coil Specified By A 3-3-1 Hydrophobic Heptad Repeat. Structure V. 14 247 2006.
ISSN: ISSN 0969-2126
PubMed: 16472744
DOI: 10.1016/J.STR.2005.10.010