2Y6H

X-2 L110F CBM4-2 Carbohydrate Binding Module from a Thermostable Rhodothermus marinus Xylanase

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	XYLANASE	polymer	167	17939.7	1	UniProt (Q6V8M0) Pfam (PF02018) UniProt (by SIFTS) (Q7WTN6)	RHODOTHERMUS MARINUS	CBM4-2
2	B, C (A)	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3	D (A)	water	water		18.0	240	Chemie (HOH)

Sequence modifications

A: 2 - 166 (UniProt: Q6V8M0)

PDB	External Database	Details
Met 1	-	expression tag
Phe 69	Trp 68	engineered mutation
Asn 70	Asp 69	engineered mutation
Gln 72	Glu 71	engineered mutation
Leu 76	Phe 75	engineered mutation
Arg 91	Trp 90	engineered mutation
Asp 111	Gln 110	engineered mutation
His 118	Glu 117	engineered mutation
Leu 167	-	cloning artifact

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	17939.7
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	18019.9

*Water molecules are not included.