4CVW

Structure of the barley limit dextrinase-limit dextrinase inhibitor complex

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B (A, B)	LIMIT DEXTRINASE	polymer	884	97444.2	2	UniProt (O48541) Pfam (PF17967) Pfam (PF02922) Pfam (PF11852)	HORDEUM VULGARE (BARLEY)
2	C, D (C, D)	LIMIT DEXTRINASE INHIBITOR	polymer	120	13481.4	2	UniProt (Q2V8X0) Pfam (PF00234)	HORDEUM VULGARE (BARLEY)
3	E, F, G, H (A, B)	CALCIUM ION	non-polymer		40.1	4	Chemie (CA)
4	I, J, K (A, B, D)	water	water		18.0	98	Chemie (HOH)

Sequence modifications

A, B: 2 - 885 (UniProt: O48541)

PDB	External Database	Details
Arg 82	Lys 102	engineered mutation
Met 484	-	insertion
Arg 485	Val 504	engineered mutation
Ala 486	Thr 505	engineered mutation

C, D: 1 - 114 (UniProt: Q2V8X0)

PDB	External Database	Details
His 115	-	expression tag
His 116	-	expression tag
His 117	-	expression tag
His 118	-	expression tag
His 119	-	expression tag
His 120	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	221851.1
Non-Polymers*	Number of molecules	4
	Total formula weight	160.3
All*	Total formula weight	222011.5

*Water molecules are not included.