1SC3

Crystal structure of the human caspase-1 C285A mutant in complex with malonate

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0004197	molecular_function	cysteine-type endopeptidase activity
A	0006508	biological_process	proteolysis
A	0008234	molecular_function	cysteine-type peptidase activity
B	0004197	molecular_function	cysteine-type endopeptidase activity
B	0006508	biological_process	proteolysis
B	0008234	molecular_function	cysteine-type peptidase activity

Functional Information from PDB Data

site_id	AC1
Number of Residues	9
Details	BINDING SITE FOR RESIDUE MLI A 301

Chain	Residue
A	ARG179
A	SER236
A	HIS237
A	GLY238
A	GLN283
A	ALA285
A	HOH439
B	SER339
B	ARG341

---

Functional Information from PROSITE/UniProt

site_id	PS00455
Number of Residues	12
Details	AMP_BINDING Putative AMP-binding domain signature. MPTSSGSEGnVK

Chain	Residue	Details
A	MET123-LYS134

---

site_id	PS01121
Number of Residues	15
Details	CASPASE_HIS Caspase family histidine active site. HktsdStfLvFMSHG

Chain	Residue	Details
A	HIS224-GLY238

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	ACT_SITE: ACT_SITE => ECO:0000269|PubMed:1574116

Chain	Residue	Details
A	HIS237

---

site_id	SWS_FT_FI2
Number of Residues	1
Details	ACT_SITE: ACT_SITE => ECO:0000269|PubMed:1574116, ECO:0000305|PubMed:32051255

Chain	Residue	Details
A	ALA285

---

site_id	SWS_FT_FI3
Number of Residues	2
Details	CROSSLNK: Glycyl lysine isopeptide (Lys-Gly) (interchain with G-Cter in ubiquitin) => ECO:0000269|PubMed:30065070

Chain	Residue	Details
A	LYS134

---

Catalytic Information from CSA

site_id	MCSA1
Number of Residues	1
Details	M-CSA 718

Chain	Residue	Details
B	GLU390	electrostatic stabiliser
A	GLY238	electrostatic stabiliser
A	ALA285	nucleofuge, nucleophile, proton acceptor, proton donor
A	ARG286	electrostatic stabiliser

---