1IC2

DECIPHERING THE DESIGN OF THE TROPOMYOSIN MOLECULE

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, D	TROPOMYOSIN ALPHA CHAIN, SKELETAL MUSCLE	polymer	81	9273.5	4	UniProt (P04268) Pfam (PF00261) In PDB	Gallus gallus (chicken)
2		water	water		18.0	178	Chemie (HOH)

Sequence modifications

A, B, C, D: 1 - 81 (UniProt: P04268)

PDB	External Database	Details
Ser 36	Ala 81	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	4
	Total formula weight	37094.2
All*	Total formula weight	37094.2

*Water molecules are not included.