7QSQ

Permutated N-terminal lobe of the ribose binding protein from Thermotoga maritima

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, C, B, D	Ribose ABC transporter, periplasmic ribose-binding protein	polymer	138	15198.1	4	UniProt (Q9X053) Pfam (PF13407) In PDB	Thermotoga maritima
2	A, B	SULFATE ION	non-polymer		96.1	2	Chemie (SO4)
3	A, C, B, D	1,2-ETHANEDIOL	non-polymer		62.1	12	Chemie (EDO)
4	C	TRIETHYLENE GLYCOL	non-polymer		150.2	1	Chemie (PGE)
5		water	water		18.0	315	Chemie (HOH)

Sequence modifications

A, C, B, D: 1 - 105 (UniProt: Q9X053)

PDB	External Database	Details
Met 0	-	initiating methionine

A, C, B, D: 109 - 128 (UniProt: Q9X053)

PDB	External Database	Details
Thr 106	-	linker
Ser 107	-	linker
Thr 108	-	linker
Gly 129	-	expression tag
Leu 130	-	expression tag
Glu 131	-	expression tag
His 132	-	expression tag
His 133	-	expression tag
His 134	-	expression tag
His 135	-	expression tag
His 136	-	expression tag
His 137	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	60792.5
Non-Polymers*	Number of molecules	15
	Total formula weight	1087.1
All*	Total formula weight	61879.6

*Water molecules are not included.