4X2S

Crystal structure of 276S/M395R-GltPh in inward-facing conformation

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C	425aa long hypothetical proton glutamate symport protein	polymer	422	44565.8	3	UniProt (O59010) Pfam (PF00375) In PDB	Pyrococcus horikoshii OT3
2	A, B, C	ASPARTIC ACID	non-polymer		133.1	3	Chemie (ASP)
3	A, B, C	SODIUM ION	non-polymer		23.0	6	Chemie (NA)

Sequence modifications

A, B, C: 1 - 419 (UniProt: O59010)

PDB	External Database	Details
His 37	Asp 37	engineered mutation
His 40	Lys 40	engineered mutation
His 125	Lys 125	engineered mutation
His 132	Lys 132	engineered mutation
His 223	Lys 223	engineered mutation
His 264	Lys 264	engineered mutation
Ser 276	Arg 276	engineered mutation
Ala 321	Cys 321	engineered mutation
His 368	Glu 368	engineered mutation
Arg 395	Met 395	engineered mutation
Thr 418	Glu 418	engineered mutation
Val 420	-	expression tag
Pro 421	-	expression tag
Arg 422	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	133697.3
Non-Polymers*	Number of molecules	9
	Total formula weight	537.2
All*	Total formula weight	134234.5

*Water molecules are not included.