1H8B

EF-hands 3,4 from alpha-actinin / Z-repeat 7 from titin

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	ALPHA-ACTININ 2, SKELETAL MUSCLE ISOFORM	polymer	75	8077.0	1	UniProt (P35609) Pfam (PF08726) In PDB	HOMO SAPIENS (HUMAN)	ACT-EF34
2	B	TITIN	polymer	53	5667.3	1	UniProt (O97791) Pfam (PF09042) In PDB	ORYCTOLAGUS CUNICULUS (RABBIT)	ZR7

Sequence modifications

A: -2 - -1 (PDB: 1H8B)
A: 1 - 73 (UniProt: P35609)

PDB	External Database	Details
Met 1	Thr 822	engineered mutation

B: -2 - -1 (PDB: 1H8B)
B: 1 - 51 (UniProt: O97791)

PDB	External Database	Details
Met 1	His 848	engineered mutation

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	13744.3
All*	Total formula weight	13744.3

*Water molecules are not included.