1ELD

Structural analysis of the active site of porcine pancreatic elastase based on the x-ray crystal structures of complexes with trifluoroacetyl-dipeptide-anilide inhibitors

Functional Information from GO Data

Chain	GOid	namespace	contents
E	0004252	molecular_function	serine-type endopeptidase activity
E	0005515	molecular_function	protein binding
E	0005576	cellular_component	extracellular region
E	0005615	cellular_component	extracellular space
E	0006508	biological_process	proteolysis
E	0008236	molecular_function	serine-type peptidase activity
E	0046872	molecular_function	metal ion binding

Functional Information from PDB Data

site_id	AC1
Number of Residues	17
Details	BINDING SITE FOR RESIDUE 0Z0 E 256

Chain	Residue
E	HIS60
E	THR221
E	SER222
E	PHE223
E	VAL224
E	ARG226
E	ACY300
E	HOH642
E	HOH651
E	GLU65
E	LEU66
E	VAL103
E	ALA104
E	THR182
E	CYS199
E	GLN200
E	SER203

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site_id	AC2
Number of Residues	6
Details	BINDING SITE FOR RESIDUE CA E 280

Chain	Residue
E	GLU74
E	ASN76
E	GLN79
E	ASN81
E	GLU84
E	HOH327

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site_id	AC3
Number of Residues	7
Details	BINDING SITE FOR RESIDUE ACY E 300

Chain	Residue
E	THR44
E	HIS60
E	GLN200
E	GLY201
E	SER203
E	0Z0256
E	HOH647

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Functional Information from PROSITE/UniProt

site_id	PS00134
Number of Residues	6
Details	TRYPSIN_HIS Serine proteases, trypsin family, histidine active site. MTAAHC

Chain	Residue	Details
E	MET56-CYS61

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site_id	PS00135
Number of Residues	12
Details	TRYPSIN_SER Serine proteases, trypsin family, serine active site. SGcqGDSGGPLH

Chain	Residue	Details
E	SER197-HIS208

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	1
Details	ACT_SITE: Charge relay system => ECO:0000269|PubMed:4578945, ECO:0000269|PubMed:5415110

Chain	Residue	Details
E	HIS60

---

site_id	SWS_FT_FI2
Number of Residues	2
Details	ACT_SITE: Charge relay system => ECO:0000269|PubMed:5415110

Chain	Residue	Details
E	ASP108
E	SER203

---

site_id	SWS_FT_FI3
Number of Residues	4
Details	BINDING: BINDING => ECO:0000269|PubMed:7656008, ECO:0007744|PDB:1ELA, ECO:0007744|PDB:1ELB, ECO:0007744|PDB:1ELC

Chain	Residue	Details
E	GLU74
E	ASN76
E	GLN79
E	GLU84

---

Catalytic Information from CSA

site_id	CSA1
Number of Residues	2
Details	Annotated By Reference To The Literature 1a0j

Chain	Residue	Details
E	HIS60
E	ASP108

---

site_id	CSA2
Number of Residues	2
Details	Annotated By Reference To The Literature 1a0j

Chain	Residue	Details
E	GLY204
E	SER203

---

site_id	CSA3
Number of Residues	2
Details	Annotated By Reference To The Literature 1a0j

Chain	Residue	Details
E	GLY201
E	SER203

---

site_id	CSA4
Number of Residues	3
Details	Annotated By Reference To The Literature 1a0j

Chain	Residue	Details
E	HIS60
E	SER203
E	ASP108

---

site_id	CSA5
Number of Residues	4
Details	Annotated By Reference To The Literature 1a0j

Chain	Residue	Details
E	GLY204
E	HIS60
E	SER203
E	ASP108

---

site_id	CSA6
Number of Residues	4
Details	Annotated By Reference To The Literature 1a0j

Chain	Residue	Details
E	GLY201
E	HIS60
E	SER203
E	ASP108

---

site_id	CSA7
Number of Residues	5
Details	Annotated By Reference To The Literature 1a0j

Chain	Residue	Details
E	GLY201
E	HIS60
E	SER222
E	SER203
E	ASP108

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