1BUS

SOLUTION CONFORMATION OF PROTEINASE INHIBITOR IIA FROM BULL SEMINAL PLASMA BY 1H NUCLEAR MAGNETIC RESONANCE AND DISTANCE GEOMETRY

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0004867	molecular_function	serine-type endopeptidase inhibitor activity
A	0005576	cellular_component	extracellular region

Functional Information from PROSITE/UniProt

site_id	PS00282
Number of Residues	23
Details	KAZAL_1 Kazal serine protease inhibitors family signature. CtresNphCgSngetYgnkCaf.C

Chain	Residue	Details
A	CYS17-CYS39

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	SITE: Reactive bond

Chain	Residue	Details
A	VAL42

---

site_id	SWS_FT_FI2
Number of Residues	1
Details	MOD_RES: Pyrrolidone carboxylic acid => ECO:0000269|PubMed:500016

Chain	Residue	Details
A	HIS24

---