1HUC

THE REFINED 2.15 ANGSTROMS X-RAY CRYSTAL STRUCTURE OF HUMAN LIVER CATHEPSIN B: THE STRUCTURAL BASIS FOR ITS SPECIFICITY

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0006508	biological_process	proteolysis
A	0008234	molecular_function	cysteine-type peptidase activity
B	0006508	biological_process	proteolysis
B	0008234	molecular_function	cysteine-type peptidase activity
C	0006508	biological_process	proteolysis
C	0008234	molecular_function	cysteine-type peptidase activity
D	0006508	biological_process	proteolysis
D	0008234	molecular_function	cysteine-type peptidase activity

Functional Information from PDB Data

site_id	AS1
Number of Residues	3
Details	ACTIVE SITE RESIDUES

Chain	Residue
A	CYS29
B	HIS199
B	ASN219

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site_id	AS2
Number of Residues	3
Details	ACTIVE SITE RESIDUES

Chain	Residue
C	CYS29
D	HIS199
D	ASN219

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Functional Information from PROSITE/UniProt

site_id	PS00139
Number of Residues	12
Details	THIOL_PROTEASE_CYS Eukaryotic thiol (cysteine) proteases cysteine active site. QGsCGSCWAfGA

Chain	Residue	Details
A	GLN23-ALA34

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site_id	PS00639
Number of Residues	11
Details	THIOL_PROTEASE_HIS Eukaryotic thiol (cysteine) proteases histidine active site. GGHAIRILGWG

Chain	Residue	Details
B	GLY197-GLY207

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site_id	PS00640
Number of Residues	20
Details	THIOL_PROTEASE_ASN Eukaryotic thiol (cysteine) proteases asparagine active site. YWLvANSWntdWGdnGFFkI

Chain	Residue	Details
B	TYR214-ILE233

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	4
Details	ACT_SITE: ACT_SITE => ECO:0000269|PubMed:9299326

Chain	Residue	Details
B	HIS199
B	ASN219
D	HIS199
D	ASN219

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site_id	SWS_FT_FI2
Number of Residues	2
Details	MOD_RES: N6-acetyllysine => ECO:0000250|UniProtKB:P10605

Chain	Residue	Details
B	LYS141
D	LYS141

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site_id	SWS_FT_FI3
Number of Residues	2
Details	CARBOHYD: N-linked (GlcNAc...) asparagine => ECO:0000269|PubMed:3463996

Chain	Residue	Details
B	ASN113
D	ASN113

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