3DZC

2.35 Angstrom resolution structure of WecB (VC0917), a UDP-N-acetylglucosamine 2-epimerase from Vibrio cholerae.

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)	UDP-N-acetylglucosamine 2-epimerase	polymer	396	43823.9	2	UniProt (Q9KTI5) Pfam (PF02350)	Vibrio cholerae
2	C, E (A, B)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D, F (A, B)	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4	G, H (A, B)	water	water		18.0	488	Chemie (HOH)

Sequence modifications

A, B: 1 - 372 (UniProt: Q9KTI5)

PDB	External Database	Details
Met -23	-	expression tag
His -22	-	expression tag
His -21	-	expression tag
His -20	-	expression tag
His -19	-	expression tag
His -18	-	expression tag
His -17	-	expression tag
Ser -16	-	expression tag
Ser -15	-	expression tag
Gly -14	-	expression tag
Val -13	-	expression tag
Asp -12	-	expression tag
Leu -11	-	expression tag
Gly -10	-	expression tag
Thr -9	-	expression tag
Glu -8	-	expression tag
Asn -7	-	expression tag
Leu -6	-	expression tag
Tyr -5	-	expression tag
Phe -4	-	expression tag
Gln -3	-	expression tag
Ser -2	-	expression tag
Asn -1	-	expression tag
Ala 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	87647.7
Non-Polymers*	Number of molecules	4
	Total formula weight	151.1
All*	Total formula weight	87798.8

*Water molecules are not included.