5PTP

STRUCTURE OF HYDROLASE (SERINE PROTEINASE)

Replaces:  4PTPReplaces:  1PTPReplaces:  2PTPReplaces:  3PTP

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	A	BETA TRYPSIN	polymer	223	23446.3	1	UniProt (P00760) Pfam (PF00089) In PDB	Bos taurus (cattle)
2	A	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
3		water	water		18.0	211	Chemie (HOH)

Sequence modifications

A: 16 - 245 (UniProt: P00760)

PDB	External Database	Details
Mis 195	Ser 197	MODIFIED RESIDUE

Contents of the asymmetric unit

Polymers	Number of chains	1
	Total formula weight	23446.3
Non-Polymers*	Number of molecules	1
	Total formula weight	40.1
All*	Total formula weight	23486.4

*Water molecules are not included.