6GHQ

HtxB D206N protein variant from Pseudomonas stutzeri in a partially open conformation to 1.53 A resolution

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Probable phosphite transport system-binding protein HtxB	polymer	274	30333.5	1	UniProt (O69061) Pfam (PF12974) In PDB	Pseudomonas stutzeri (Pseudomonas perfectomarina)
2	A	FORMIC ACID	non-polymer		46.0	1	Chemie (FMT)
3	A	1,2-ETHANEDIOL	non-polymer		62.1	2	Chemie (EDO)
4	A	2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		209.2	1	Chemie (BTB)
5	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
6		water	water		18.0	225	Chemie (HOH)

Sequence modifications

A: 2 - 266 (UniProt: O69061)

PDB	External Database	Details
Met 1	-	initiating methionine
Asn 206	Asp 238	engineered mutation
Leu 267	-	expression tag
Glu 268	-	expression tag
His 269	-	expression tag
His 270	-	expression tag
His 271	-	expression tag
His 272	-	expression tag
His 273	-	expression tag
His 274	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	30333.5
Non-Polymers*	Number of molecules	5
	Total formula weight	475.5
All*	Total formula weight	30809.0

*Water molecules are not included.