8TMS

Crystal structure of bacterial pectin methylesterase PmeC2 from rumen Butyrivibrio

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, D (A, B, C, D)	Pectinesterase	polymer	306	34418.7	4	UniProt (A0A1M5Z711) Pfam (PF01095)	Butyrivibrio fibrisolvens
2	E, K (A, B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
3	F, G, H, I, J... (A, B, C, D)	1,2-ETHANEDIOL	non-polymer		62.1	17	Chemie (EDO)
4	AA, X, Y, Z (D, A, B, C)	water	water		18.0	334	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 283 (UniProt: A0A1M5Z711)

PDB	External Database	Details
Met -22	-	initiating methionine
Gly -21	-	expression tag
Ser -20	-	expression tag
Ser -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
His -16	-	expression tag
His -15	-	expression tag
His -14	-	expression tag
His -13	-	expression tag
Ser -12	-	expression tag
Ser -11	-	expression tag
Gly -10	-	expression tag
Leu -9	-	expression tag
Val -8	-	expression tag
Pro -7	-	expression tag
Arg -6	-	expression tag
Gly -5	-	expression tag
Ser -4	-	expression tag
His -3	-	expression tag
Met -2	-	expression tag
Leu -1	-	expression tag
Glu 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	137674.9
Non-Polymers*	Number of molecules	19
	Total formula weight	1126.1
All*	Total formula weight	138801.0

*Water molecules are not included.