1N4D

The Ligand-Free Structure of E coli BtuF, the Periplasmic Binding Protein for Vitamin B12

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0005515	molecular_function	protein binding
A	0015889	biological_process	cobalamin transport
A	0016020	cellular_component	membrane
A	0030288	cellular_component	outer membrane-bounded periplasmic space
A	0031419	molecular_function	cobalamin binding
A	0042597	cellular_component	periplasmic space
A	1990191	cellular_component	cobalamin transport complex
B	0005515	molecular_function	protein binding
B	0015889	biological_process	cobalamin transport
B	0016020	cellular_component	membrane
B	0030288	cellular_component	outer membrane-bounded periplasmic space
B	0031419	molecular_function	cobalamin binding
B	0042597	cellular_component	periplasmic space
B	1990191	cellular_component	cobalamin transport complex

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	2
Details	BINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_01000, ECO:0000269|PubMed:12468528, ECO:0007744|PDB:1N4A

Chain	Residue	Details
A	TYR28
B	TYR1028

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site_id	SWS_FT_FI2
Number of Residues	2
Details	BINDING: BINDING => ECO:0000255|HAMAP-Rule:MF_01000, ECO:0000269|PubMed:12468528, ECO:0000269|PubMed:12475936, ECO:0007744|PDB:1N2Z, ECO:0007744|PDB:1N4A

Chain	Residue	Details
A	ASP220
B	ASP1220

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site_id	SWS_FT_FI3
Number of Residues	4
Details	SITE: Important for BtuC binding => ECO:0000255|HAMAP-Rule:MF_01000, ECO:0000305|PubMed:12475936

Chain	Residue	Details
A	GLU50
A	GLU180
B	GLU1050
B	GLU1180

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