4DOQ

Crystal structure of the complex of Porcine Pancreatic Trypsin with 1/2SLPI

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0004252	molecular_function	serine-type endopeptidase activity
A	0005576	cellular_component	extracellular region
A	0005615	cellular_component	extracellular space
A	0006508	biological_process	proteolysis
A	0007586	biological_process	digestion
A	0008236	molecular_function	serine-type peptidase activity
A	0046872	molecular_function	metal ion binding
B	0005576	cellular_component	extracellular region
B	0030414	molecular_function	peptidase inhibitor activity
C	0004252	molecular_function	serine-type endopeptidase activity
C	0005576	cellular_component	extracellular region
C	0005615	cellular_component	extracellular space
C	0006508	biological_process	proteolysis
C	0007586	biological_process	digestion
C	0008236	molecular_function	serine-type peptidase activity
C	0046872	molecular_function	metal ion binding
D	0005576	cellular_component	extracellular region
D	0030414	molecular_function	peptidase inhibitor activity
E	0004252	molecular_function	serine-type endopeptidase activity
E	0005576	cellular_component	extracellular region
E	0005615	cellular_component	extracellular space
E	0006508	biological_process	proteolysis
E	0007586	biological_process	digestion
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	11
Details	BINDING SITE FOR RESIDUE XPE A 301

Chain	Residue
A	ALA56
B	CYS97
B	SER100
A	HIS57
A	TYR59
A	THR90
A	PHE94
A	GLY96
A	HOH454
A	HOH455
B	PHE79

---

site_id	AC2
Number of Residues	5
Details	BINDING SITE FOR RESIDUE SO4 A 302

Chain	Residue
A	PHE41
A	LYS60
A	HOH480
B	ASN75
B	HOH309

---

site_id	AC3
Number of Residues	6
Details	BINDING SITE FOR RESIDUE SO4 A 303

Chain	Residue
A	ALA130
A	ALA132
A	HOH479
A	HOH492
C	ALA130
C	ALA132

---

site_id	AC4
Number of Residues	6
Details	BINDING SITE FOR RESIDUE CA A 304

Chain	Residue
A	GLU70
A	ASN72
A	VAL75
A	GLU77
A	GLU80
A	HOH429

---

site_id	AC5
Number of Residues	1
Details	BINDING SITE FOR RESIDUE SO4 B 201

Chain	Residue
B	TYR68

---

site_id	AC6
Number of Residues	7
Details	BINDING SITE FOR RESIDUE P6G C 301

Chain	Residue
C	ALA56
C	PHE94
C	GLY96
C	HOH471
D	PHE79
D	CYS97
D	SER100

---

site_id	AC7
Number of Residues	2
Details	BINDING SITE FOR RESIDUE SO4 C 302

Chain	Residue
C	TYR20
C	THR21

---

site_id	AC8
Number of Residues	6
Details	BINDING SITE FOR RESIDUE CA C 303

Chain	Residue
C	GLU70
C	ASN72
C	VAL75
C	GLU77
C	GLU80
C	HOH441

---

site_id	AC9
Number of Residues	6
Details	BINDING SITE FOR RESIDUE SO4 D 201

Chain	Residue
D	LYS60
D	PRO61
D	HOH331
D	HOH338
E	ARG66
E	HOH429

---

site_id	BC1
Number of Residues	4
Details	BINDING SITE FOR RESIDUE SO4 D 202

Chain	Residue
C	GLN175
D	VAL66
D	THR67
D	TYR68

---

site_id	BC2
Number of Residues	5
Details	BINDING SITE FOR RESIDUE SO4 E 301

Chain	Residue
C	ARG62
E	TYR20
E	THR21
E	HOH434
E	HOH468

---

site_id	BC3
Number of Residues	6
Details	BINDING SITE FOR RESIDUE CA E 302

Chain	Residue
E	GLU69
E	ASN71
E	VAL74
E	GLU76
E	GLU79
E	HOH449

---

Functional Information from PROSITE/UniProt

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

Chain	Residue	Details
A	VAL53-CYS58

---

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

Chain	Residue	Details
A	ASP189-VAL200

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	2
Details	SITE: Reactive bond for chymotrypsin, trypsin and elastase => ECO:0000305|PubMed:18421166, ECO:0000305|PubMed:24121345, ECO:0000305|PubMed:3366116

Chain	Residue	Details
B	LEU72
D	LEU72
A	SER195
C	HIS57
C	ASP102
C	SER195
E	HIS57
E	ASP101
E	SER195

---

site_id	SWS_FT_FI2
Number of Residues	12
Details	BINDING:

Chain	Residue	Details
A	GLU70
E	ASN71
E	VAL74
E	GLU79
A	ASN72
A	VAL75
A	GLU80
C	GLU70
C	ASN72
C	VAL75
C	GLU80
E	GLU69

---

site_id	SWS_FT_FI3
Number of Residues	3
Details	SITE: Required for specificity => ECO:0000250

Chain	Residue	Details
A	ASP189
C	ASP189
E	ASP189

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