4E4P

Second native structure of Xylanase A1 from Paenibacillus sp. JDR-2

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Endo-1,4-beta-xylanase A	polymer	341	38401.8	2	UniProt (C6CRV0) Pfam (PF00331) In PDB	Paenibacillus sp.	1,4-beta-D-xylan xylanohydrolase A
2	A, B	MAGNESIUM ION	non-polymer		24.3	4	Chemie (MG)
3	A, B	CHLORIDE ION	non-polymer		35.5	2	Chemie (CL)
4		water	water		18.0	225	Chemie (HOH)

Sequence modifications

A, B: 5 - 338 (UniProt: C6CRV0)

PDB	External Database	Details
Gly 1	-	expression tag
Ser 2	-	expression tag
His 3	-	expression tag
Met 4	-	expression tag
Ala 339	-	expression tag
Glu 340	-	expression tag
Gln 341	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	76803.6
Non-Polymers*	Number of molecules	6
	Total formula weight	168.1
All*	Total formula weight	76971.7

*Water molecules are not included.