4HU0

Crystal Structure of a metagenome-derived cellulase Cel5A in complex with cellotetraose

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A (A)	Cellulase	polymer	359	41677.6	1	UniProt (I6PLH5) UniProt (by SIFTS) (A0ACD6B8L9)	uncultured bacterium
2	B (B)	beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose-(1-4)-beta-D-glucopyranose	branched		666.6	1	In PDB BIRD (PRD_900011) GlyTouCan (G00025MO)		beta-cellotetraose
3	C, D, E, F, G... (A)	GLYCEROL	non-polymer		92.1	6	Chemie (GOL)
4	I (A)	water	water		18.0	271	Chemie (HOH)

Sequence modifications

A: 26 - 363 (UniProt: I6PLH5)

PDB	External Database	Details
Mse 5	-	expression tag
Gly 6	-	expression tag
Ser 7	-	expression tag
Ser 8	-	expression tag
His 9	-	expression tag
His 10	-	expression tag
His 11	-	expression tag
His 12	-	expression tag
His 13	-	expression tag
His 14	-	expression tag
Ser 15	-	expression tag
Ser 16	-	expression tag
Gly 17	-	expression tag
Leu 18	-	expression tag
Val 19	-	expression tag
Pro 20	-	expression tag
Arg 21	-	expression tag
Gly 22	-	expression tag
Ser 23	-	expression tag
His 24	-	expression tag
Mse 25	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	41677.6
Branched	Number of molecules	1
	Total formula weight	666.6
Non-Polymers*	Number of molecules	6
	Total formula weight	552.6
All*	Total formula weight	42896.7

*Water molecules are not included.