4EX8

Crystal structure of the prealnumycin C-glycosynthase AlnA

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	AlnA	polymer	316	32948.3	1	UniProt (B6SEG5) Pfam (PF04227)	Streptomyces sp. CM020
2	B, C (A)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D (A)	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
4	E (A)	CHLORIDE ION	non-polymer		35.5	1	Chemie (CL)
5	F, G (A)	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	2	Chemie (PEG)
6	H (A)	water	water		18.0	136	Chemie (HOH)

Sequence modifications

A: 2 - 306 (UniProt: B6SEG5)

PDB	External Database	Details
Met -9	-	expression tag
Ala -8	-	expression tag
His -7	-	expression tag
His -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
Arg 0	-	expression tag
Ser 1	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	32948.3
Non-Polymers*	Number of molecules	6
	Total formula weight	423.9
All*	Total formula weight	33372.2

*Water molecules are not included.