4HQZ

Crystal structure of the pneumoccocal exposed lipoprotein thioredoxin sp_1000 (Etrx2) from Streptococcus pneumoniae strain TIGR4 in complex with 2-hydroxyethyl disulfide

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	Thioredoxin family protein	polymer	187	21062.8	2	UniProt (Q97R36) Pfam (PF08534) UniProt (by SIFTS) (A0A0H2UPR5)	Streptococcus pneumoniae
2	C, E (A, B)	2-HYDROXYETHYL DISULFIDE	non-polymer		154.3	2	Chemie (HED)
3	D (A)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
4	F, G (A, B)	water	water		18.0	403	Chemie (HOH)

Sequence modifications

A, B: 19 - 185 (UniProt: Q97R36)

PDB	External Database	Details
Met -1	-	expression tag
Gly 0	-	expression tag
Ser 1	-	expression tag
Ser 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
His 8	-	expression tag
Met 9	-	expression tag
Ser 10	-	expression tag
Gly 11	-	expression tag
Glu 12	-	expression tag
Asn 13	-	expression tag
Leu 14	-	expression tag
Tyr 15	-	expression tag
Phe 16	-	expression tag
Gln 17	-	expression tag
Gly 18	-	expression tag
Ser 20	Cys 20	SEE REMARK 999

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	42125.5
Non-Polymers*	Number of molecules	3
	Total formula weight	414.6
All*	Total formula weight	42540.2

*Water molecules are not included.