6QJY

Solution NMR structure of a mutant major ampullate spidroin 1 N-terminal domain

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Major ampullate spidroin 1	polymer	137	14075.5	1	UniProt (Q05H60) Pfam (PF16763) In PDB	Euprosthenops australis

Sequence modifications

A: 5 - 135 (UniProt: Q05H60)

PDB	External Database	Details
Gly 1	-	expression tag
Ser 2	-	expression tag
Gly 3	-	expression tag
Asn 4	-	expression tag
Leu 20	Met 39	engineered mutation
Leu 24	Met 43	engineered mutation
Leu 41	Met 60	engineered mutation
Leu 48	Met 67	engineered mutation
Leu 77	Met 96	engineered mutation
Leu 101	Met 120	engineered mutation
Ser 136	-	expression tag
Ala 137	-	expression tag

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	14075.5
All*	Total formula weight	14075.5

*Water molecules are not included.