Amino acid symbols

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Line 6:		Line 6:
	! 1-Letter		! 1-Letter
	|- align="center"		|- align="center"
-	| [[Alanine]]	+	| [http://en.wikipedia.org/wiki/Alanine Alanine]
	| Ala		| Ala
	| A		| A
	|- align="center"		|- align="center"
-	| [[Arginine]]	+	| [http://en.wikipedia.org/wiki/Arginine Arginine]
	| Arg		| Arg
	| R		| R
	|- align="center"		|- align="center"
-	| [[Asparagine]]	+	| [http://en.wikipedia.org/wiki/Asparagine Asparagine]
	| Asn		| Asn
	| N		| N
	|- align="center"		|- align="center"
-	| [[Aspartic acid]]	+	| [http://en.wikipedia.org/wiki/Aspartic+acid Aspartic acid]
	| Asp		| Asp
	| D		| D
	|- align="center"		|- align="center"
-	| [[Cysteine]]	+	| [http://en.wikipedia.org/wiki/Cysteine Cysteine]
	| Cys		| Cys
	| C		| C
	|- align="center"		|- align="center"
-	| [[Glutamic acid]]	+	| [http://en.wikipedia.org/wiki/Glutamic+acid Glutamic acid]
	| Glu		| Glu
	| E		| E
	|- align="center"		|- align="center"
-	| [[Glutamine]]	+	| [http://en.wikipedia.org/wiki/Glutamine Glutamine]
	| Gln		| Gln
	| Q		| Q
	|- align="center"		|- align="center"
-	| [[Glycine]]	+	| [http://en.wikipedia.org/wiki/Glycine Glycine]
	| Gly		| Gly
	| G		| G
	|- align="center"		|- align="center"
-	| [[Histidine]]	+	| [http://en.wikipedia.org/wiki/Histidine Histidine]
	| His		| His
	| H		| H
	|- align="center"		|- align="center"
-	| [[Isoleucine]]	+	| [http://en.wikipedia.org/wiki/Isoleucine Isoleucine]
	| Ile		| Ile
	| I		| I
	|- align="center"		|- align="center"
-	| [[Leucine]]	+	| [http://en.wikipedia.org/wiki/Leucine Leucine]
	| Leu		| Leu
	| L		| L
	|- align="center"		|- align="center"
-	| [[Lysine]]	+	| [http://en.wikipedia.org/wiki/Lysine Lysine]
	| Lys		| Lys
	| K		| K
	|- align="center"		|- align="center"
-	| [[Methionine]]	+	| [http://en.wikipedia.org/wiki/Methionine Methionine]
	| Met		| Met
	| M		| M
	|- align="center"		|- align="center"
-	| [[Phenylalanine]]	+	| [http://en.wikipedia.org/wiki/Phenylalanine Phenylalanine]
	| Phe		| Phe
	| F		| F
	|- align="center"		|- align="center"
-	| [[Proline]]	+	| [http://en.wikipedia.org/wiki/Proline Proline]
	| Pro		| Pro
	| P		| P
	|- align="center"		|- align="center"
-	| [[Serine]]	+	| [http://en.wikipedia.org/wiki/Serine Serine]
	| Ser		| Ser
	| S		| S
	|- align="center"		|- align="center"
-	| [[Threonine]]	+	| [http://en.wikipedia.org/wiki/Threonine Threonine]
	| Thr		| Thr
	| T		| T
	|- align="center"		|- align="center"
-	| [[Tryptophan]]	+	| [http://en.wikipedia.org/wiki/Tryptophan Tryptophan]
	| Trp		| Trp
	| W		| W
	|- align="center"		|- align="center"
-	| [[Tyrosine]]	+	| [http://en.wikipedia.org/wiki/Tyrosine Tyrosine]
	| Tyr		| Tyr
	| Y		| Y
	|- align="center"		|- align="center"
-	| [[Valine]]	+	| [http://en.wikipedia.org/wiki/Valine Valine]
	| Val		| Val
	| V		| V
Line 90:		Line 90:
	{| class="wikitable"		{| class="wikitable"
-	! 21st and 22nd amino acids	+	! Amino acid
	! 3-Letter		! 3-Letter
	! 1-Letter		! 1-Letter
	|- align="center"		|- align="center"
-	| [[Selenocysteine]]	+	| [http://en.wikipedia.org/wiki/Selenocysteine Selenocysteine]
	| Sec		| Sec
	| U		| U
	|- align="center"		|- align="center"
-	| [[Pyrrolysine]]	+	| [http://en.wikipedia.org/wiki/Pyrrolysine Pyrrolysine]
	| Pyl		| Pyl
	| O		| O
		+	|}
		+
		+	Additional codes for ambiguous residues in protein sequences:
		+
		+	{| class="wikitable"
		+	! Ambiguous Amino Acids
		+	! 3-Letter
		+	! 1-Letter
		+	|- align="center"
		+	| Asparagine or aspartic acid
		+	| Asx
		+	| B
		+	|- align="center"
		+	| Glutamine or glutamic acid
		+	| Glx
		+	| Z
		+	|- align="center"
		+	| Leucine or Isoleucine
		+	| Xle
		+	| J
		+	|- align="center"
		+	| Unspecified or unknown amino acid
		+	| Xaa
		+	| X
	|}		|}

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Revision as of 18:43, 20 December 2011

The following table contains a list of the amino acid 1 and two letter codes.

Amino Acid	3-Letter	1-Letter
Alanine	Ala	A
Arginine	Arg	R
Asparagine	Asn	N
Aspartic acid	Asp	D
Cysteine	Cys	C
Glutamic acid	Glu	E
Glutamine	Gln	Q
Glycine	Gly	G
Histidine	His	H
Isoleucine	Ile	I
Leucine	Leu	L
Lysine	Lys	K
Methionine	Met	M
Phenylalanine	Phe	F
Proline	Pro	P
Serine	Ser	S
Threonine	Thr	T
Tryptophan	Trp	W
Tyrosine	Tyr	Y
Valine	Val	V

Additional codes for amino acids coded by unusual translations:

Amino acid	3-Letter	1-Letter
Selenocysteine	Sec	U
Pyrrolysine	Pyl	O

Additional codes for ambiguous residues in protein sequences:

Ambiguous Amino Acids	3-Letter	1-Letter
Asparagine or aspartic acid	Asx	B
Glutamine or glutamic acid	Glx	Z
Leucine or Isoleucine	Xle	J
Unspecified or unknown amino acid	Xaa	X