6JK5

Ca2+-dependent type II antifreeze protein (Ca2+-free form)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	Type II antifreeze protein	polymer	136	15321.1	1	UniProt (P84493) Pfam (PF00059) In PDB	Hypomesus nipponensis (Japanese smelt)
2	A	SULFATE ION	non-polymer		96.1	1	Chemie (SO4)
3		water	water		18.0	237	Chemie (HOH)

Sequence modifications

A: 1 - 130 (UniProt: P84493)

PDB	External Database	Details
His -5	-	expression tag
His -4	-	expression tag
His -3	-	expression tag
His -2	-	expression tag
His -1	-	expression tag
His 0	-	expression tag
Asp 12	Asn 29	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	15321.1
Non-Polymers*	Number of molecules	1
	Total formula weight	96.1
All*	Total formula weight	15417.1

*Water molecules are not included.