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Sodium in PDB 1s5c: Cholera Holotoxin with An A-Subunit Y30S Mutation, Crystal Form 1

Enzymatic activity of Cholera Holotoxin with An A-Subunit Y30S Mutation, Crystal Form 1

All present enzymatic activity of Cholera Holotoxin with An A-Subunit Y30S Mutation, Crystal Form 1:
2.4.2.36;

Protein crystallography data

The structure of Cholera Holotoxin with An A-Subunit Y30S Mutation, Crystal Form 1, PDB code: 1s5c was solved by C.J.O'neal, E.I.Amaya, M.G.Jobling, R.K.Holmes, W.G.Hol, with X-Ray Crystallography technique. A brief refinement statistics is given in the table below:

Resolution Low / High (Å) 19.96 / 2.50
Space group P 1 21 1
Cell size a, b, c (Å), α, β, γ (°) 58.818, 85.199, 71.255, 90.00, 104.48, 90.00
R / Rfree (%) 19.5 / 26.2

Sodium Binding Sites:

The binding sites of Sodium atom in the Cholera Holotoxin with An A-Subunit Y30S Mutation, Crystal Form 1 (pdb code 1s5c). This binding sites where shown within 5.0 Angstroms radius around Sodium atom.
In total only one binding site of Sodium was determined in the Cholera Holotoxin with An A-Subunit Y30S Mutation, Crystal Form 1, PDB code: 1s5c:

Sodium binding site 1 out of 1 in 1s5c

Go back to Sodium Binding Sites List in 1s5c
Sodium binding site 1 out of 1 in the Cholera Holotoxin with An A-Subunit Y30S Mutation, Crystal Form 1


Mono view


Stereo pair view

A full contact list of Sodium with other atoms in the Na binding site number 1 of Cholera Holotoxin with An A-Subunit Y30S Mutation, Crystal Form 1 within 5.0Å range:
probe atom residue distance (Å) B Occ
A:Na241

b:31.9
occ:1.00
O A:ASN1 2.3 23.0 1.0
O A:TYR150 2.3 21.5 1.0
OG1 A:THR90 2.6 14.0 1.0
O A:LEU153 2.6 10.7 1.0
O A:THR90 2.7 14.5 1.0
C A:TYR150 3.5 20.8 1.0
C A:ASN1 3.5 24.0 1.0
C A:THR90 3.6 13.7 1.0
N A:THR90 3.6 16.1 1.0
C A:LEU153 3.6 13.1 1.0
CB A:THR90 3.7 14.5 1.0
CA A:THR90 3.8 14.8 1.0
CA A:SER151 4.1 21.3 1.0
N A:ASN1 4.1 23.5 1.0
O A:ASP3 4.2 26.1 1.0
N A:SER151 4.2 20.9 1.0
N A:ASP3 4.3 25.7 1.0
N A:ASP2 4.4 24.9 1.0
CA A:ASP2 4.4 24.6 1.0
N A:ASP154 4.4 13.0 1.0
CA A:LEU153 4.5 14.0 1.0
N A:LEU153 4.5 15.7 1.0
CA A:ASN1 4.5 23.8 1.0
O A:HOH253 4.6 24.9 1.0
C A:SER151 4.6 21.0 1.0
C A:ASP2 4.6 24.5 1.0
C A:ALA89 4.6 17.0 1.0
CA A:TYR150 4.6 19.2 1.0
CG2 A:THR90 4.6 14.1 1.0
CA A:ASP154 4.6 12.4 1.0
CB A:LEU153 4.7 13.5 1.0
CB A:ALA89 4.7 18.1 1.0
O A:SER151 4.7 21.4 1.0
CB A:TYR150 4.8 18.5 1.0
N A:ALA91 4.8 13.5 1.0
CA A:ALA89 5.0 17.9 1.0

Reference:

C.J.O'neal, E.I.Amaya, M.G.Jobling, R.K.Holmes, W.G.Hol. Crystal Structures of An Intrinsically Active Cholera Toxin Mutant Yield Insight Into the Toxin Activation Mechanism Biochemistry V. 43 3772 2004.
ISSN: ISSN 0006-2960
PubMed: 15049684
DOI: 10.1021/BI0360152
Page generated: Sun Oct 6 22:21:54 2024

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