ISDA

Atom Indices

Bond Indices

Highlight Substructure

Structural Complex

Chemical ID: HIS

IUPAC Name: HISTIDINE

Formal Charge: 1

Type: L-PEPTIDE LINKING

Substructure

Substruture Type: MurckoScaffold

SMILES: c1c[nH+]c[nH]1

InChI: InChI=1S/C3H4N2/c1-2-5-3-4-1/h1-3H,(H,4,5)/p+1

InChI Key: RAXXELZNTBOGNW-UHFFFAOYSA-O

Physiochemical Descriptor:

Formula: C6 H10 N3 O2

Molecular weight: 156.162

Hydrogen Bond Acceptor: 3

Hydrogen Bond Donor: 3

Rotatable Bonds: 4

Heavy Atoms: 11

Systematic name

Program	Version	Descriptor
ACDLabs	10.04	3-(1H-imidazol-3-ium-4-yl)-L-alanine
OpenEye OEToolkits	1.5.0	(2S)-2-amino-3-(1H-imidazol-3-ium-4-yl)propanoic acid

Chemical Descriptors

Type	Program	Version	Descriptor
SMILES	ACDLabs	10.04	O=C(O)C(N)Cc1cnc[nH+]1
SMILES_CANONICAL	CACTVS	3.341	N[C@@H](Cc1c[nH]c[nH+]1)C(O)=O
SMILES	CACTVS	3.341	N[CH](Cc1c[nH]c[nH+]1)C(O)=O
SMILES_CANONICAL	OpenEye OEToolkits	1.5.0	c1c([nH+]c[nH]1)C[C@@H](C(=O)O)N
SMILES	OpenEye OEToolkits	1.5.0	c1c([nH+]c[nH]1)CC(C(=O)O)N
InChI	InChI	1.03	InChI=1S/C6H9N3O2/c7-5(6(10)11)1-4-2-8-3-9-4/h2-3,5H,1,7H2,(H,8,9)(H,10,11)/p+1/t5-/m0/s1
InChIKey	InChI	1.03	HNDVDQJCIGZPNO-YFKPBYRVSA-O

Chemical Database Mapping

Database	Reference ID
PubChem	5288559,5460943,86580368
ChEBI	32513