3UA0

N-Terminal Domain of Bombyx mori Fibroin Mediates the Assembly of Silk in Response to pH Decrease

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)	Fibroin heavy chain	polymer	134	15140.0	2	UniProt (P05790) Pfam (PF20820)	Bombyx mori (silk moth silkworm)	Fib-H, H-fibroin

Sequence modifications

A, B: 1 - 126 (UniProt: P05790)

PDB	External Database	Details
Mse -7	-	expression tag
Gly -6	-	expression tag
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	30280.1
All*	Total formula weight	30280.1

*Water molecules are not included.