2OCT

Stefin B (Cystatin B) tetramer

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0002020	molecular_function	protease binding
A	0003723	molecular_function	RNA binding
A	0004866	molecular_function	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	0005634	cellular_component	nucleus
A	0005730	cellular_component	nucleolus
A	0005737	cellular_component	cytoplasm
A	0005829	cellular_component	cytosol
A	0008344	biological_process	adult locomotory behavior
A	0030414	molecular_function	peptidase inhibitor activity
A	0031012	cellular_component	extracellular matrix
A	0034774	cellular_component	secretory granule lumen
A	0045861	biological_process	negative regulation of proteolysis
A	0070062	cellular_component	extracellular exosome
A	1904724	cellular_component	tertiary granule lumen
A	1904813	cellular_component	ficolin-1-rich granule lumen
B	0002020	molecular_function	protease binding
B	0003723	molecular_function	RNA binding
B	0004866	molecular_function	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	0005634	cellular_component	nucleus
B	0005730	cellular_component	nucleolus
B	0005737	cellular_component	cytoplasm
B	0005829	cellular_component	cytosol
B	0008344	biological_process	adult locomotory behavior
B	0030414	molecular_function	peptidase inhibitor activity
B	0031012	cellular_component	extracellular matrix
B	0034774	cellular_component	secretory granule lumen
B	0045861	biological_process	negative regulation of proteolysis
B	0070062	cellular_component	extracellular exosome
B	1904724	cellular_component	tertiary granule lumen
B	1904813	cellular_component	ficolin-1-rich granule lumen

Functional Information from PROSITE/UniProt

site_id	PS00287
Number of Residues	14
Details	CYSTATIN Cysteine proteases inhibitors signature. SQVVAGTNYfIKVH

Chain	Residue	Details
A	SER45-HIS58

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	8
Details	Motif: {"description":"Secondary area of contact"}

Chain

Residue

Details

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site_id	SWS_FT_FI2
Number of Residues	2
Details	Site: {"description":"Reactive site"}

Chain

Residue

Details

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