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Summary Structural details Experimental details Functional details Sequence Neighbor History Downloads

4QKO

The Crystal Structure of the Pyocin S2 Nuclease Domain, Immunity Protein Complex at 1.8 Angstroms

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0015643	molecular_function	toxic substance binding
A	0030153	biological_process	bacteriocin immunity
B	0004519	molecular_function	endonuclease activity
C	0015643	molecular_function	toxic substance binding
C	0030153	biological_process	bacteriocin immunity
D	0004519	molecular_function	endonuclease activity
E	0015643	molecular_function	toxic substance binding
E	0030153	biological_process	bacteriocin immunity
F	0004519	molecular_function	endonuclease activity
G	0015643	molecular_function	toxic substance binding
G	0030153	biological_process	bacteriocin immunity
H	0004519	molecular_function	endonuclease activity

Functional Information from PDB Data

site_id	AC1
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR A 101

Chain	Residue
A	PRO65
A	ALA66
A	HOH254

site_id	AC2
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR A 102

Chain	Residue
A	GLU10
A	LYS11
A	HOH223

site_id	AC3
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR A 103

Chain	Residue
A	GLY83
A	PHE84
A	HOH204

site_id	AC4
Number of Residues	2
Details	BINDING SITE FOR RESIDUE BR B 701

Chain	Residue
B	TRP604
B	ILE655

site_id	AC5
Number of Residues	1
Details	BINDING SITE FOR RESIDUE BR B 702

Chain	Residue
B	ARG642

site_id	AC6
Number of Residues	4
Details	BINDING SITE FOR RESIDUE BR B 703

Chain	Residue
B	GLY666
B	VAL667
H	THR566
H	HOH801

site_id	AC7
Number of Residues	3
Details	BINDING SITE FOR RESIDUE MG B 704

Chain	Residue
B	HIS656
B	HIS681
B	HOH876

site_id	AC8
Number of Residues	2
Details	BINDING SITE FOR RESIDUE BR C 101

Chain	Residue
C	ALA66
C	HOH271

site_id	AC9
Number of Residues	1
Details	BINDING SITE FOR RESIDUE BR C 102

Chain	Residue
C	LYS11

site_id	BC1
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR C 103

Chain	Residue
C	LYS73
C	GLY83
C	PHE84

site_id	BC2
Number of Residues	2
Details	BINDING SITE FOR RESIDUE BR D 701

Chain	Residue
D	TRP604
D	ILE655

site_id	BC3
Number of Residues	1
Details	BINDING SITE FOR RESIDUE BR D 702

Chain	Residue
D	ARG642

site_id	BC4
Number of Residues	4
Details	BINDING SITE FOR RESIDUE BR D 703

Chain	Residue
D	GLY666
D	VAL667
F	ASN669
F	HOH801

site_id	BC5
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR D 704

Chain	Residue
D	PRO558
D	ARG559
D	HOH864

site_id	BC6
Number of Residues	4
Details	BINDING SITE FOR RESIDUE BR D 705

Chain	Residue
D	ARG660
D	ILE661
D	BR706
D	HOH864

site_id	BC7
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR D 706

Chain	Residue
D	ILE661
D	ALA662
D	BR705

site_id	BC8
Number of Residues	4
Details	BINDING SITE FOR RESIDUE MG D 707

Chain	Residue
D	HIS656
D	HIS681
D	HIS685
D	HOH829

site_id	BC9
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR D 708

Chain	Residue
D	ARG559
D	ILE655
D	HIS657

site_id	CC1
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR E 101

Chain	Residue
E	PRO65
E	ALA66
E	HOH273

site_id	CC2
Number of Residues	2
Details	BINDING SITE FOR RESIDUE BR E 102

Chain	Residue
E	LYS11
E	HOH278

site_id	CC3
Number of Residues	1
Details	BINDING SITE FOR RESIDUE BR E 103

Chain	Residue
E	PHE84

site_id	CC4
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR F 701

Chain	Residue
F	TRP604
F	ARG608
F	ILE655

site_id	CC5
Number of Residues	2
Details	BINDING SITE FOR RESIDUE BR F 702

Chain	Residue
E	HOH295
F	ARG642

site_id	CC6
Number of Residues	4
Details	BINDING SITE FOR RESIDUE BR F 703

Chain	Residue
D	THR566
D	HOH939
F	GLY666
F	VAL667

site_id	CC7
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR F 704

Chain	Residue
F	PRO558
F	ARG559
F	HOH874

site_id	CC8
Number of Residues	4
Details	BINDING SITE FOR RESIDUE BR F 705

Chain	Residue
F	ARG660
F	ILE661
F	BR706
F	HOH874

site_id	CC9
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR F 706

Chain	Residue
F	ILE661
F	ALA662
F	BR705

site_id	DC1
Number of Residues	4
Details	BINDING SITE FOR RESIDUE MG F 707

Chain	Residue
F	HIS656
F	HIS681
F	HIS685
F	HOH805

site_id	DC2
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR F 708

Chain	Residue
F	TRP576
F	LEU577
F	GLN624

site_id	DC3
Number of Residues	2
Details	BINDING SITE FOR RESIDUE BR G 101

Chain	Residue
G	LYS18
G	ALA66

site_id	DC4
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR G 102

Chain	Residue
G	THR9
G	GLU10
G	LYS11

site_id	DC5
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR G 103

Chain	Residue
G	GLY83
G	PHE84
G	HOH213

site_id	DC6
Number of Residues	2
Details	BINDING SITE FOR RESIDUE BR H 701

Chain	Residue
H	TRP604
H	ILE655

site_id	DC7
Number of Residues	1
Details	BINDING SITE FOR RESIDUE BR H 702

Chain	Residue
H	ARG642

site_id	DC8
Number of Residues	3
Details	BINDING SITE FOR RESIDUE BR H 703

Chain	Residue
B	THR566
B	HOH862
H	VAL667

site_id	DC9
Number of Residues	4
Details	BINDING SITE FOR RESIDUE BR H 704

Chain	Residue
H	ASP557
H	PRO558
H	ARG559
H	HOH886

site_id	EC1
Number of Residues	4
Details	BINDING SITE FOR RESIDUE BR H 705

Chain	Residue
H	ARG660
H	ILE661
H	BR706
H	HOH886

site_id	EC2
Number of Residues	2
Details	BINDING SITE FOR RESIDUE BR H 706

Chain	Residue
H	ALA662
H	BR705

site_id	EC3
Number of Residues	4
Details	BINDING SITE FOR RESIDUE MG H 707

Chain	Residue
H	HIS656
H	HIS681
H	HIS685
H	HOH802

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	12
Details	Binding site: {"evidences":[{"evidenceCode":"ECO:0000250"}]}

Chain

Residue

Details

249697

PDB entries from 2026-02-25

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