1H9H

COMPLEX OF EETI-II WITH PORCINE TRYPSIN

Entity

Entity ID	Chain ID	Description	Type	Chain length	Formula weight	Number of molecules	DB Name (Accession)	Biological source	Descriptive keywords
1	E	TRYPSIN	polymer	223	23493.5	1	UniProt (P00761) Pfam (PF00089) In PDB	SUS SCROFA (PIG)
2	I	TRYPSIN INHIBITOR II	polymer	36	3902.5	1	UniProt (P12071) Pfam (PF00299) In PDB	ECBALLIUM ELATERIUM	EETI-II
3	E	CALCIUM ION	non-polymer		40.1	1	Chemie (CA)
4		water	water		18.0	177	Chemie (HOH)

Sequence modifications

E: 16 - 245 (UniProt: P00761)

PDB	External Database	Details
Ser 22	Cys 22	microheterogeneity
Ser 42	Cys 42	microheterogeneity
Ser 58	Cys 58	microheterogeneity
Ser 136	Cys 136	microheterogeneity
Ser 157	Cys 157	microheterogeneity
Ser 191	Cys 191	microheterogeneity
Ser 201	Cys 201	microheterogeneity
Ser 220	Cys 220	microheterogeneity

I: 1 - 30 (UniProt: P12071)

PDB	External Database	Details
Ile 7	Met 7	engineered mutation
Ser 15	Cys 15	microheterogeneity
Ser 27	Cys 27	microheterogeneity

I: 31 - 36 (PDB: 1H9H)

Contents of the asymmetric unit

Polymers	Number of chains	2
	Total formula weight	27396.0
Non-Polymers*	Number of molecules	1
	Total formula weight	40.1
All*	Total formula weight	27436.1

*Water molecules are not included.