4O8P

Crystal structure of SthAraf62A, a GH62 family alpha-L-arabinofuranosidase from Streptomyces thermoviolaceus, bound to xylotetraose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Alpha-L-arabinofuranosidase	polymer	384	42096.5	1	UniProt (Q76BV4) Pfam (PF03664) In PDB	Streptomyces thermoviolaceus
2	B	beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose-(1-4)-beta-D-xylopyranose	branched		546.5	1	In PDB GlyTouCan (G60650FG)
3	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
4	A	3,6,9,12,15,18,21,24,27,30,33,36,39-TRIDECAOXAHENTETRACONTANE-1,41-DIOL	non-polymer		634.8	2	Chemie (PE3)
5	A	POTASSIUM ION	non-polymer		39.1	1	Chemie (K)
6		water	water		18.0	473	Chemie (HOH)

Sequence modifications

A: 1 - 363 (UniProt: Q76BV4)

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

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	42096.5
Branched	Number of molecules	1
	Total formula weight	546.5
Non-Polymers*	Number of molecules	4
	Total formula weight	1348.7
All*	Total formula weight	43991.7

*Water molecules are not included.