8FIR

Crystal structure of TpPta, a phosphotransacetylase from Treponema pallidum

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)	Phosphate acetyltransferase	polymer	355	38897.4	2	UniProt (A0A7Z2EMN2) Pfam (PF01515) UniProt (by SIFTS) (O83132)	Treponema pallidum
2	C (A)	1,2-ETHANEDIOL	non-polymer		62.1	1	Chemie (EDO)
3	D (B)	CITRIC ACID	non-polymer		192.1	1	Chemie (CIT)
4	E, F (A, B)	water	water		18.0	337	Chemie (HOH)

Sequence modifications

A, B: 1 - 336 (UniProt: A0A7Z2EMN2)

PDB	External Database	Details
Met -18	-	initiating methionine
Gly -17	-	expression tag
Ser -16	-	expression tag
Asp -15	-	expression tag
Lys -14	-	expression tag
Ile -13	-	expression tag
His -12	-	expression tag
His -11	-	expression tag
His -10	-	expression tag
His -9	-	expression tag
His -8	-	expression tag
His -7	-	expression tag
Glu -6	-	expression tag
Asn -5	-	expression tag
Leu -4	-	expression tag
Tyr -3	-	expression tag
Phe -2	-	expression tag
Gln -1	-	expression tag
Gly 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	77794.9
Non-Polymers*	Number of molecules	2
	Total formula weight	254.2
All*	Total formula weight	78049.1

*Water molecules are not included.