5LA2

The mechanism by which arabinoxylanases can recognise highly decorated xylans

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Carbohydrate binding family 6	polymer	491	54115.7	2	UniProt (A0A0J9WZQ7) Pfam (PF00150) Pfam (PF03422) UniProt (by SIFTS) (A3DHG6) In PDB	Ruminiclostridium thermocellum	GH5-CBM6
2	C, D	beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-[alpha-L-arabinofuranose-(1-3)]alpha-D-xylopyranose	branched		678.6	2	In PDB GlyTouCan (G52751IP)
3	A, B	beta-L-arabinopyranose	non-polymer		150.1	2	Chemie (ARB)
4	A, B	CALCIUM ION	non-polymer		40.1	6	Chemie (CA)
5		water	water		18.0	923	Chemie (HOH)

Sequence modifications

A, B: 37 - 516 (UniProt: A0A0J9WZQ7)

PDB	External Database	Details
Met 34	-	initiating methionine
Ala 35	-	expression tag
Ser 36	-	expression tag
Ser 279	Glu 279	conflict
Leu 517	-	expression tag
Glu 518	-	expression tag
His 519	-	expression tag
His 520	-	expression tag
His 521	-	expression tag
His 522	-	expression tag
His 523	-	expression tag
His 524	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	108231.3
Branched	Number of molecules	2
	Total formula weight	1357.2
Non-Polymers*	Number of molecules	8
	Total formula weight	540.7
All*	Total formula weight	110129.2

*Water molecules are not included.