Structure based on 1sy2
Ideal structure
Name: ammonium ion
Formula: H4 N
Weight: 18.038
SMILES: "[NH4+]"
Spacial conformation based on PDB 1sy2.
Also present in other 308 PDB entries.
RESIDUE   NH4      5
CONECT      N      4 HN1  HN2  HN3  HN4 
CONECT      HN1    1 N   
CONECT      HN2    1 N   
CONECT      HN3    1 N   
CONECT      HN4    1 N   
END   
HET    NH4              5
HETNAM     NH4 AMMONIUM ION
FORMUL      NH4    H4 N
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uses Jmol, developed by the Jmol Development Team (color reference)
OCA© by Jaime Prilusky, 1996-2004,2006,2010,2014
Bioinformatics Unit
Weizmann Institute of Science