1POY

SPERMIDINE/PUTRESCINE-BINDING PROTEIN COMPLEXED WITH SPERMIDINE (DIMER FORM)

Functional Information from GO Data

Chain	GOid	namespace	contents
1	0015846	biological_process	polyamine transport
1	0015847	biological_process	putrescine transport
1	0015848	biological_process	spermidine transport
1	0016020	cellular_component	membrane
1	0019808	molecular_function	polyamine binding
1	0019809	molecular_function	spermidine binding
1	0019810	molecular_function	putrescine binding
1	0030288	cellular_component	outer membrane-bounded periplasmic space
1	0042597	cellular_component	periplasmic space
1	0071702	biological_process	organic substance transport
1	1903711	biological_process	spermidine transmembrane transport
2	0015846	biological_process	polyamine transport
2	0015847	biological_process	putrescine transport
2	0015848	biological_process	spermidine transport
2	0016020	cellular_component	membrane
2	0019808	molecular_function	polyamine binding
2	0019809	molecular_function	spermidine binding
2	0019810	molecular_function	putrescine binding
2	0030288	cellular_component	outer membrane-bounded periplasmic space
2	0042597	cellular_component	periplasmic space
2	0071702	biological_process	organic substance transport
2	1903711	biological_process	spermidine transmembrane transport
3	0015846	biological_process	polyamine transport
3	0015847	biological_process	putrescine transport
3	0015848	biological_process	spermidine transport
3	0016020	cellular_component	membrane
3	0019808	molecular_function	polyamine binding
3	0019809	molecular_function	spermidine binding
3	0019810	molecular_function	putrescine binding
3	0030288	cellular_component	outer membrane-bounded periplasmic space
3	0042597	cellular_component	periplasmic space
3	0071702	biological_process	organic substance transport
3	1903711	biological_process	spermidine transmembrane transport
4	0015846	biological_process	polyamine transport
4	0015847	biological_process	putrescine transport
4	0015848	biological_process	spermidine transport
4	0016020	cellular_component	membrane
4	0019808	molecular_function	polyamine binding
4	0019809	molecular_function	spermidine binding
4	0019810	molecular_function	putrescine binding
4	0030288	cellular_component	outer membrane-bounded periplasmic space
4	0042597	cellular_component	periplasmic space
4	0071702	biological_process	organic substance transport
4	1903711	biological_process	spermidine transmembrane transport

Functional Information from PDB Data

site_id	AC1
Number of Residues	11
Details	BINDING SITE FOR RESIDUE SPD 1 400

Chain	Residue
1	TRP34
1	GLN327
1	HOH524
1	THR35
1	GLU36
1	TYR37
1	TYR85
1	ASP168
1	GLU171
1	TRP255
1	ASP257

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site_id	AC2
Number of Residues	13
Details	BINDING SITE FOR RESIDUE SPD 2 400

Chain	Residue
2	TRP34
2	THR35
2	GLU36
2	TYR37
2	SER83
2	TYR85
2	ASP168
2	GLU171
2	TRP229
2	TRP255
2	ASP257
2	TYR293
2	GLN327

---

site_id	AC3
Number of Residues	11
Details	BINDING SITE FOR RESIDUE SPD 3 400

Chain	Residue
3	TRP34
3	GLU36
3	TYR37
3	SER83
3	TYR85
3	ASP168
3	GLU171
3	TRP229
3	TRP255
3	ASP257
3	GLN327

---

site_id	AC4
Number of Residues	13
Details	BINDING SITE FOR RESIDUE SPD 4 400

Chain	Residue
4	TRP34
4	THR35
4	GLU36
4	TYR37
4	SER83
4	TYR85
4	ASP168
4	GLU171
4	TRP229
4	TRP255
4	ASP257
4	TYR293
4	GLN327

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Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	16
Details	BINDING: BINDING => ECO:0000269|PubMed:8897598

Chain	Residue	Details
1	GLU36
3	TYR85
3	ASP168
3	GLN327
4	GLU36
4	TYR85
4	ASP168
4	GLN327
1	TYR85
1	ASP168
1	GLN327
2	GLU36
2	TYR85
2	ASP168
2	GLN327
3	GLU36

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