2CM3

Structure of Protein Tyrosine Phosphatase 1B (C2)

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A, B	TYROSINE-PROTEIN PHOSPHATASE NON-RECEPTOR TYPE 1	polymer	304	35549.4	2	UniProt (P18031) Pfam (PF00102) In PDB	HOMO SAPIENS (HUMAN)	PROTEIN TYROSINE PHOSPHATASE 1B, PTP-1B
2	A, B	CALCIUM ION	non-polymer		40.1	2	Chemie (CA)
3		water	water		18.0	507	Chemie (HOH)

Sequence modifications

A, B: -5 - -5 (UniProt: P18031)
A, B: 2 - 298 (UniProt: P18031)
A, B: -4 - 1 (PDB: 2CM3)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	71098.9
Non-Polymers*	Number of molecules	2
	Total formula weight	80.2
All*	Total formula weight	71179.0

*Water molecules are not included.