Asxn.

Brit.

/ˌeɪɛsˈɛks/, U.S.

/ˌeɪˌɛsˈɛks/

Origin: Formed within English, by compounding. Etymons: Asn n., Asp n.⁴, X n.

Etymology: < As- (in both Asn n. and Asp n.⁴) + X n. (see X n. 3).

Biochemistry.

Either of the amino acids asparagine or aspartic acid, in contexts where they cannot be distinguished.

ΘΚΠ

the world > matter > chemistry > organic chemistry > organic compounds > [noun] > amino acids

alanine1850

serine1870

amino-acid1887

histidine1896

canavanine1932

Glu1937

Gly1937

Ala1945

Asp1945

alliin1947

Asn1957

Asx1957

Glx1958

Gln1961

1957 Proc. National Acad. Sci. U.S.A. 43 692 Serum albumin: Asx. ala-.

1970 R. W. McGilvery Biochemistry iv. 67 Some..make no distinction between Asp and Asn, or Gln and Glu... The uncertainty is indicated by Asx or Glx.

1977 Blood 50 613 Amino-terminal sequences of Ile-Val-Gly and Ala-Asx-Gly-.

2004 Plant Physiol. 136 3049 Asp and Asn are denoted together as Asx.

This is a new entry (OED Third Edition, June 2011; most recently modified version published online December 2021).

单词	asx
释义	Asxn. Brit. /ˌeɪɛsˈɛks/, U.S. /ˌeɪˌɛsˈɛks/ Origin: Formed within English, by compounding. Etymons: Asn n., Asp n.⁴, X n. Etymology: < As- (in both Asn n. and Asp n.⁴) + X n. (see X n. 3). Biochemistry. Either of the amino acids asparagine or aspartic acid, in contexts where they cannot be distinguished. ΘΚΠ the world > matter > chemistry > organic chemistry > organic compounds > [noun] > amino acids alanine1850 serine1870 amino-acid1887 histidine1896 canavanine1932 Glu1937 Gly1937 Ala1945 Asp1945 alliin1947 Asn1957 Asx1957 Glx1958 Gln1961 1957 Proc. National Acad. Sci. U.S.A. 43 692 Serum albumin: Asx. ala-. 1970 R. W. McGilvery Biochemistry iv. 67 Some..make no distinction between Asp and Asn, or Gln and Glu... The uncertainty is indicated by Asx or Glx. 1977 Blood 50 613 Amino-terminal sequences of Ile-Val-Gly and Ala-Asx-Gly-. 2004 Plant Physiol. 136 3049 Asp and Asn are denoted together as Asx. This is a new entry (OED Third Edition, June 2011; most recently modified version published online December 2021). < n.1957
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