NP-MRD: Showing NP-Card for (2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid (NP0325613)

Jump To Section:

Identification Spectra BioTaxonomy ChemoTaxonomy Physical properties Links References XML

Record Information

Version

2.0

Created at

2022-09-12 06:29:42 UTC

Updated at

2022-09-12 06:29:42 UTC

NP-MRD ID

NP0325613

Secondary Accession Numbers

None

Natural Product Identification

Common Name

(2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid

Description

(2S)-2-amino-4-{[(1R)-1-[(carboxymethyl)-C-hydroxycarbonimidoyl]ethyl]-C-hydroxycarbonimidoyl}butanoic acid belongs to the class of organic compounds known as oligopeptides. These are organic compounds containing a sequence of between three and ten alpha-amino acids joined by peptide bonds. (2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid is found in Undaria pinnatifida. Based on a literature review very few articles have been published on (2S)-2-amino-4-{[(1R)-1-[(carboxymethyl)-C-hydroxycarbonimidoyl]ethyl]-C-hydroxycarbonimidoyl}butanoic acid.

Structure

MOL 3D MOL SDF PDB SMILES InChI

     RDKit          3D

 36 35  0  0  0  0  0  0  0  0999 V2000
   -1.3009   -1.3558   -2.2212 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.5013   -1.1485   -0.7524 C   0  0  1  0  0  0  0  0  0  0  0  0
   -0.3410   -0.6197   -0.0787 N   0  0  0  0  0  0  0  0  0  0  0  0
    0.7643   -1.2419    0.0473 C   0  0  0  0  0  0  0  0  0  0  0  0
    0.9720   -2.5125   -0.4576 O   0  0  0  0  0  0  0  0  0  0  0  0
    1.8816   -0.5849    0.7638 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.0987   -0.4240   -0.1343 C   0  0  0  0  0  0  0  0  0  0  0  0
    4.1622    0.2623    0.7321 C   0  0  2  0  0  0  0  0  0  0  0  0
    4.4113   -0.6058    1.8460 N   0  0  0  0  0  0  0  0  0  0  0  0
    3.6255    1.5469    1.2408 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.4534    1.7427    2.4789 O   0  0  0  0  0  0  0  0  0  0  0  0
    3.2829    2.6034    0.3910 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.6217   -0.1950   -0.5664 C   0  0  0  0  0  0  0  0  0  0  0  0
   -2.4988    1.0735   -1.1111 O   0  0  0  0  0  0  0  0  0  0  0  0
   -3.6918   -0.4940    0.0730 N   0  0  0  0  0  0  0  0  0  0  0  0
   -4.7595    0.4448    0.2388 C   0  0  0  0  0  0  0  0  0  0  0  0
   -4.4399    1.5189    1.2113 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.3264    1.5347    1.7886 O   0  0  0  0  0  0  0  0  0  0  0  0
   -5.3869    2.4883    1.4616 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.2854   -1.2440   -2.7339 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.6344   -0.5524   -2.5993 H   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9285   -2.3660   -2.4765 H   0  0  0  0  0  0  0  0  0  0  0  0
   -1.7422   -2.1207   -0.2381 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.3038   -2.7248   -1.3746 H   0  0  0  0  0  0  0  0  0  0  0  0
    1.5647    0.4028    1.1700 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.1225   -1.2118    1.6338 H   0  0  0  0  0  0  0  0  0  0  0  0
    2.8894    0.1817   -1.0129 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.4820   -1.4405   -0.3559 H   0  0  0  0  0  0  0  0  0  0  0  0
    5.0464    0.4604    0.1083 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.2871   -1.6111    1.6473 H   0  0  0  0  0  0  0  0  0  0  0  0
    3.9932   -0.2875    2.7340 H   0  0  0  0  0  0  0  0  0  0  0  0
    4.0145    3.1776   -0.0239 H   0  0  0  0  0  0  0  0  0  0  0  0
   -2.8614    1.1871   -2.0574 H   0  0  0  0  0  0  0  0  0  0  0  0
   -5.6579   -0.1178    0.5680 H   0  0  0  0  0  0  0  0  0  0  0  0
   -4.9757    0.9360   -0.7460 H   0  0  0  0  0  0  0  0  0  0  0  0
   -5.4020    3.2976    0.8799 H   0  0  0  0  0  0  0  0  0  0  0  0
  1  2  1  0
  2  3  1  0
  3  4  2  0
  4  5  1  0
  4  6  1  0
  6  7  1  0
  7  8  1  0
  8  9  1  0
  8 10  1  0
 10 12  1  0
 10 11  2  0
  2 13  1  0
 13 14  1  0
 13 15  2  0
 15 16  1  0
 16 17  1  0
 17 19  1  0
 17 18  2  0
  1 20  1  0
  1 21  1  0
  1 22  1  0
  2 23  1  1
  5 24  1  0
  6 25  1  0
  6 26  1  0
  7 27  1  0
  7 28  1  0
  8 29  1  6
  9 30  1  0
  9 31  1  0
 12 32  1  0
 14 33  1  0
 16 34  1  0
 16 35  1  0
 19 36  1  0
M  END


  Mrv1652309122208292D          

 19 18  0  0  1  0            999 V2000
   -2.3349    1.1270    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6204    0.7145    0.0000 C   0  0  1  0  0  0  0  0  0  0  0  0
   -0.9059    1.1270    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1914    0.7145    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.1914   -0.1105    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    0.5230    1.1270    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.2375    0.7145    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    1.9520    1.1270    0.0000 C   0  0  2  0  0  0  0  0  0  0  0  0
    1.9520    1.9520    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
    2.6664    0.7145    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
    3.3809    1.1270    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
    2.6664   -0.1105    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -1.6204   -0.1105    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -0.9059   -0.5230    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3349   -0.5230    0.0000 N   0  0  0  0  0  0  0  0  0  0  0  0
   -2.3349   -1.3480    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.0493   -1.7605    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   -3.0493   -2.5855    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
   -3.7638   -1.3480    0.0000 O   0  0  0  0  0  0  0  0  0  0  0  0
  2  1  1  1  0  0  0
  2  3  1  0  0  0  0
  3  4  2  0  0  0  0
  4  5  1  4  0  0  0
  4  6  1  0  0  0  0
  6  7  1  0  0  0  0
  7  8  1  0  0  0  0
  8  9  1  6  0  0  0
  8 10  1  0  0  0  0
 10 11  2  0  0  0  0
 10 12  1  0  0  0  0
  2 13  1  0  0  0  0
 13 14  1  0  0  0  0
 13 15  2  0  0  0  0
 15 16  1  4  0  0  0
 16 17  1  0  0  0  0
 17 18  2  0  0  0  0
 17 19  1  0  0  0  0
M  END
> <DATABASE_ID>
NP0325613

> <DATABASE_NAME>
NP-MRD

> <SMILES>
C[C@@H](N=C(O)CC[C@H](N)C(O)=O)C(O)=NCC(O)=O

> <INCHI_IDENTIFIER>
InChI=1S/C10H17N3O6/c1-5(9(17)12-4-8(15)16)13-7(14)3-2-6(11)10(18)19/h5-6H,2-4,11H2,1H3,(H,12,17)(H,13,14)(H,15,16)(H,18,19)/t5-,6+/m1/s1

> <INCHI_KEY>
RPVCUZZJCXVVDW-RITPCOANSA-N

> <FORMULA>
C10H17N3O6

> <MOLECULAR_WEIGHT>
275.261

> <EXACT_MASS>
275.111735279

> <JCHEM_ACCEPTOR_COUNT>
9

> <JCHEM_ATOM_COUNT>
36

> <JCHEM_AVERAGE_POLARIZABILITY>
25.769577550748767

> <JCHEM_BIOAVAILABILITY>
1

> <JCHEM_DONOR_COUNT>
5

> <JCHEM_FORMAL_CHARGE>
0

> <JCHEM_GHOSE_FILTER>
0

> <JCHEM_IUPAC>
(2S)-2-amino-4-{[(1R)-1-[(carboxymethyl)-C-hydroxycarbonimidoyl]ethyl]-C-hydroxycarbonimidoyl}butanoic acid

> <JCHEM_LOGP>
-3.3725144129712703

> <JCHEM_MDDR_LIKE_RULE>
0

> <JCHEM_NUMBER_OF_RINGS>
0

> <JCHEM_PHYSIOLOGICAL_CHARGE>
-1

> <JCHEM_PKA>
3.5191177164139176

> <JCHEM_PKA_STRONGEST_ACIDIC>
2.1501269246993786

> <JCHEM_PKA_STRONGEST_BASIC>
9.536149459224124

> <JCHEM_POLAR_SURFACE_AREA>
165.79999999999998

> <JCHEM_REFRACTIVITY>
62.43200000000001

> <JCHEM_ROTATABLE_BOND_COUNT>
8

> <JCHEM_RULE_OF_FIVE>
1

> <JCHEM_TRADITIONAL_IUPAC>
(2S)-2-amino-4-{[(1R)-1-(carboxymethyl-C-hydroxycarbonimidoyl)ethyl]-C-hydroxycarbonimidoyl}butanoic acid

> <JCHEM_VEBER_RULE>
0

$$$$

HEADER    PROTEIN                                 12-SEP-22   NONE
TITLE     NULL                                                        
COMPND    NULL                                                        
SOURCE    NULL                                                        
KEYWDS    NULL                                                        
EXPDTA    NULL                                                        
AUTHOR    Marvin                                                      
REVDAT   1   12-SEP-22         0                                  
HETATM    1  C   UNK     0      -4.358   2.104   0.000  0.00  0.00           C+0
HETATM    2  C   UNK     0      -3.025   1.334   0.000  0.00  0.00           C+0
HETATM    3  N   UNK     0      -1.691   2.104   0.000  0.00  0.00           N+0
HETATM    4  C   UNK     0      -0.357   1.334   0.000  0.00  0.00           C+0
HETATM    5  O   UNK     0      -0.357  -0.206   0.000  0.00  0.00           O+0
HETATM    6  C   UNK     0       0.976   2.104   0.000  0.00  0.00           C+0
HETATM    7  C   UNK     0       2.310   1.334   0.000  0.00  0.00           C+0
HETATM    8  C   UNK     0       3.644   2.104   0.000  0.00  0.00           C+0
HETATM    9  N   UNK     0       3.644   3.644   0.000  0.00  0.00           N+0
HETATM   10  C   UNK     0       4.977   1.334   0.000  0.00  0.00           C+0
HETATM   11  O   UNK     0       6.311   2.104   0.000  0.00  0.00           O+0
HETATM   12  O   UNK     0       4.977  -0.206   0.000  0.00  0.00           O+0
HETATM   13  C   UNK     0      -3.025  -0.206   0.000  0.00  0.00           C+0
HETATM   14  O   UNK     0      -1.691  -0.976   0.000  0.00  0.00           O+0
HETATM   15  N   UNK     0      -4.358  -0.976   0.000  0.00  0.00           N+0
HETATM   16  C   UNK     0      -4.358  -2.516   0.000  0.00  0.00           C+0
HETATM   17  C   UNK     0      -5.692  -3.286   0.000  0.00  0.00           C+0
HETATM   18  O   UNK     0      -5.692  -4.826   0.000  0.00  0.00           O+0
HETATM   19  O   UNK     0      -7.026  -2.516   0.000  0.00  0.00           O+0
CONECT    1    2                                                            
CONECT    2    1    3   13                                                  
CONECT    3    2    4                                                       
CONECT    4    3    5    6                                                  
CONECT    5    4                                                            
CONECT    6    4    7                                                       
CONECT    7    6    8                                                       
CONECT    8    7    9   10                                                  
CONECT    9    8                                                            
CONECT   10    8   11   12                                                  
CONECT   11   10                                                            
CONECT   12   10                                                            
CONECT   13    2   14   15                                                  
CONECT   14   13                                                            
CONECT   15   13   16                                                       
CONECT   16   15   17                                                       
CONECT   17   16   18   19                                                  
CONECT   18   17                                                            
CONECT   19   17                                                            
MASTER        0    0    0    0    0    0    0    0   19    0   36    0
END

View in JSmol

Synonyms

Value	Source
(2S)-2-Amino-4-{[(1R)-1-[(carboxymethyl)-C-hydroxycarbonimidoyl]ethyl]-C-hydroxycarbonimidoyl}butanoate	Generator

Chemical Formula

C₁₀H₁₇N₃O₆

Average Mass

275.2610 Da

Monoisotopic Mass

275.11174 Da

IUPAC Name

(2S)-2-amino-4-{[(1R)-1-[(carboxymethyl)-C-hydroxycarbonimidoyl]ethyl]-C-hydroxycarbonimidoyl}butanoic acid

Traditional Name

(2S)-2-amino-4-{[(1R)-1-(carboxymethyl-C-hydroxycarbonimidoyl)ethyl]-C-hydroxycarbonimidoyl}butanoic acid

CAS Registry Number

Not Available

SMILES

C[C@@H](N=C(O)CC[C@H](N)C(O)=O)C(O)=NCC(O)=O

InChI Identifier

InChI=1S/C10H17N3O6/c1-5(9(17)12-4-8(15)16)13-7(14)3-2-6(11)10(18)19/h5-6H,2-4,11H2,1H3,(H,12,17)(H,13,14)(H,15,16)(H,18,19)/t5-,6+/m1/s1

InChI Key

RPVCUZZJCXVVDW-RITPCOANSA-N

Experimental Spectra

Not Available

Predicted Spectra

Spectrum Type	Description	Depositor ID	Depositor Organization	Depositor	Deposition Date	View
1D NMR	¹³C NMR Spectrum (1D, 25 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 100 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 252 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 1000 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 50 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 200 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 75 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 300 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 101 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 400 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 126 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 500 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 151 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 600 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 176 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 700 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 201 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 800 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹³C NMR Spectrum (1D, 226 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum
1D NMR	¹H NMR Spectrum (1D, 900 MHz, H₂O, predicted)	Wishart Lab	Wishart Lab	David Wishart	2021-06-20	View Spectrum

Chemical Shift Submissions

Not Available

Species

Species of Origin

Species Name	Source	Reference
Undaria pinnatifida	LOTUS Database	35616633

Chemical Taxonomy

Description

Belongs to the class of organic compounds known as oligopeptides. These are organic compounds containing a sequence of between three and ten alpha-amino acids joined by peptide bonds.

Kingdom

Organic compounds

Super Class

Organic acids and derivatives

Class

Carboxylic acids and derivatives

Sub Class

Amino acids, peptides, and analogues

Direct Parent

Oligopeptides

Alternative Parents

Substituents

Alpha-oligopeptide
Gamma-glutamyl alpha peptide
Glutamine or derivatives
N-acyl-alpha-amino acid
N-acyl-alpha amino acid or derivatives
Alpha-amino acid amide
Alanine or derivatives
Alpha-amino acid
N-substituted-alpha-amino acid
Alpha-amino acid or derivatives
L-alpha-amino acid
Dicarboxylic acid or derivatives
Fatty amide
Fatty acyl
Fatty acid
N-acyl-amine
Amino acid or derivatives
Carboxamide group
Amino acid
Secondary carboxylic acid amide
Carboxylic acid
Organopnictogen compound
Hydrocarbon derivative
Organic oxygen compound
Organic nitrogen compound
Carbonyl group
Amine
Organic oxide
Primary aliphatic amine
Primary amine
Organooxygen compound
Organonitrogen compound
Aliphatic acyclic compound

Molecular Framework

Aliphatic acyclic compounds

External Descriptors

Not Available

Physical Properties

State

Not Available

Experimental Properties

Property	Value	Reference
Melting Point	Not Available	Not Available
Boiling Point	Not Available	Not Available
Water Solubility	Not Available	Not Available
LogP	Not Available	Not Available

Predicted Properties

Property	Value	Source
logP	-3.4	ChemAxon
pKa (Strongest Acidic)	2.15	ChemAxon
pKa (Strongest Basic)	9.54	ChemAxon
Physiological Charge	-1	ChemAxon
Hydrogen Acceptor Count	9	ChemAxon
Hydrogen Donor Count	5	ChemAxon
Polar Surface Area	165.8 Å²	ChemAxon
Rotatable Bond Count	8	ChemAxon
Refractivity	62.43 m³·mol⁻¹	ChemAxon
Polarizability	25.77 Å³	ChemAxon
Number of Rings	0	ChemAxon
Bioavailability	Yes	ChemAxon
Rule of Five	Yes	ChemAxon
Ghose Filter	No	ChemAxon
Veber's Rule	No	ChemAxon
MDDR-like Rule	No	ChemAxon

External Links

HMDB ID

Not Available

DrugBank ID

Not Available

Phenol Explorer Compound ID

Not Available

FoodDB ID

Not Available

KNApSAcK ID

Not Available

Chemspider ID

Not Available

KEGG Compound ID

Not Available

BioCyc ID

Not Available

BiGG ID

Not Available

Wikipedia Link

Not Available

METLIN ID

Not Available

PubChem Compound

161173

PDB ID

Not Available

ChEBI ID

Not Available

Good Scents ID

Not Available

References

General References

LOTUS database [Link]

Showing NP-Card for (2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid (NP0325613)

MOL for NP0325613 ((2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid)

3D MOL for NP0325613 ((2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid)

3D SDF for NP0325613 ((2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid)

3D-SDF for NP0325613 ((2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid)

PDB for NP0325613 ((2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid)

3D PDB for NP0325613 ((2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid)

SMILES for NP0325613 ((2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid)

INCHI for NP0325613 ((2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid)

Structure for NP0325613 ((2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid)

3D Structure for NP0325613 ((2s)-2-amino-4-{[(1r)-1-(carboxymethyl-c-hydroxycarbonimidoyl)ethyl]-c-hydroxycarbonimidoyl}butanoic acid)