4KC8

Crystal Structure of Endo-1,5-alpha-L-arabinanase from Thermotoga petrophila RKU-1 in complex with TRIS

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B, C (A, B, C)	Glycoside hydrolase, family 43	polymer	474	53696.1	3	UniProt (A5IKD4) Pfam (PF04616) Pfam (PF16369)	Thermotoga petrophila
2	D, F (A, B)	2-AMINO-2-HYDROXYMETHYL-PROPANE-1,3-DIOL	non-polymer		122.1	2	Chemie (TRS)
3	E, G, H (A, B, C)	CALCIUM ION	non-polymer		40.1	3	Chemie (CA)
4	I, J, K (A, B, C)	water	water		18.0	699	Chemie (HOH)

Sequence modifications

A, B, C: 21 - 471 (UniProt: A5IKD4)

PDB	External Database	Details
Met -2	-	initiating methionine
Gly -1	-	expression tag
Ser 0	-	expression tag
Ser 1	-	expression tag
His 2	-	expression tag
His 3	-	expression tag
His 4	-	expression tag
His 5	-	expression tag
His 6	-	expression tag
His 7	-	expression tag
Ser 8	-	expression tag
Ser 9	-	expression tag
Gly 10	-	expression tag
Leu 11	-	expression tag
Val 12	-	expression tag
Pro 13	-	expression tag
Arg 14	-	expression tag
Gly 15	-	expression tag
Ser 16	-	expression tag
His 17	-	expression tag
Met 18	-	expression tag
Ala 19	-	expression tag
Ser 20	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	3
	Total formula weight	161088.4
Non-Polymers*	Number of molecules	5
	Total formula weight	364.5
All*	Total formula weight	161452.9

*Water molecules are not included.