4O8N

Crystal structure of SthAraf62A, a GH62 family alpha-L-arabinofuranosidase from Streptomyces thermoviolaceus, in the apoprotein form

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	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
3	A	2-[BIS-(2-HYDROXY-ETHYL)-AMINO]-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		209.2	1	Chemie (BTB)
4	A	HEXAETHYLENE GLYCOL	non-polymer		282.3	1	Chemie (P6G)
5	A	DI(HYDROXYETHYL)ETHER	non-polymer		106.1	1	Chemie (PEG)
6		water	water		18.0	540	Chemie (HOH)

Sequence modifications

A: -34 - 328 (UniProt: Q76BV4)

PDB	External Database	Details
Met -55	-	expression tag
Gly -54	-	expression tag
Ser -53	-	expression tag
Ser -52	-	expression tag
His -51	-	expression tag
His -50	-	expression tag
His -49	-	expression tag
His -48	-	expression tag
His -47	-	expression tag
His -46	-	expression tag
Ser -45	-	expression tag
Ser -44	-	expression tag
Gly -43	-	expression tag
Arg -42	-	expression tag
Glu -41	-	expression tag
Asn -40	-	expression tag
Leu -39	-	expression tag
Tyr -38	-	expression tag
Phe -37	-	expression tag
Gln -36	-	expression tag
Gly -35	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	42096.5
Non-Polymers*	Number of molecules	4
	Total formula weight	637.8
All*	Total formula weight	42734.3

*Water molecules are not included.