7A99

Crystal structure of the Phe57Trp mutant of the arginine-bound form of domain 1 from TmArgBP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Amino acid ABC transporter, periplasmic amino acid-binding protein,Amino acid ABC transporter, periplasmic amino acid-binding protein	polymer	136	15226.3	2	UniProt (Q9WZ62) Pfam (PF00497) In PDB	Thermotoga maritima
2	A, B	ARGININE	non-polymer		175.2	2	Chemie (ARG)
3	A, B	ACETATE ION	non-polymer		59.0	3	Chemie (ACT)
4		water	water		18.0	297	Chemie (HOH)

Sequence modifications

A, B: 1 - 96 (UniProt: Q9WZ62)

PDB	External Database	Details
Trp 57	Phe 76	engineered mutation

A, B: 102 - 128 (UniProt: Q9WZ62)

PDB	External Database	Details
Gly 97	-	linker
Gly 98	-	linker
Gly 99	-	linker
Ser 100	-	linker
Gly 101	-	linker
Leu 129	-	expression tag
Glu 130	-	expression tag
His 131	-	expression tag
His 132	-	expression tag
His 133	-	expression tag
His 134	-	expression tag
His 135	-	expression tag
His 136	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	30452.7
Non-Polymers*	Number of molecules	5
	Total formula weight	527.5
All*	Total formula weight	30980.2

*Water molecules are not included.