3L6W

Structure of the collar functional unit (KLH1-H) of keyhole limpet hemocyanin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	Hemocyanin 1	polymer	491	56623.8	2	UniProt (Q53IP9) Pfam (PF00264) Pfam (PF14830) UniProt (by SIFTS) (Q10583) In PDB	Megathura crenulata (Giant keyhole limpet)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	113247.6
All*	Total formula weight	113247.6

*Water molecules are not included.