5NTB

Streptomyces papain inhibitor (SPI)

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0004867	molecular_function	serine-type endopeptidase inhibitor activity
A	0004869	molecular_function	cysteine-type endopeptidase inhibitor activity
A	0005576	cellular_component	extracellular region
A	0005615	cellular_component	extracellular space
A	0010466	biological_process	negative regulation of peptidase activity
A	0030414	molecular_function	peptidase inhibitor activity
B	0004867	molecular_function	serine-type endopeptidase inhibitor activity
B	0004869	molecular_function	cysteine-type endopeptidase inhibitor activity
B	0005576	cellular_component	extracellular region
B	0005615	cellular_component	extracellular space
B	0010466	biological_process	negative regulation of peptidase activity
B	0030414	molecular_function	peptidase inhibitor activity

Functional Information from PDB Data

site_id	AC1
Number of Residues	7
Details	binding site for residue SO4 A 201

Chain	Residue
A	GLN6
A	MET8
A	ARG80
A	HOH306
A	HOH328
B	TYR62
B	ARG98

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site_id	AC2
Number of Residues	6
Details	binding site for residue SO4 A 202

Chain	Residue
A	ASP79
A	HIS82
A	HOH310
A	HOH347
A	LYS11
A	CYS78

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site_id	AC3
Number of Residues	4
Details	binding site for residue SO4 B 201

Chain	Residue
B	LYS11
B	CYS78
B	ASP79
B	HIS82

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