1NQE

OUTER MEMBRANE COBALAMIN TRANSPORTER (BTUB) FROM E. COLI

Functional Information from GO Data

Chain	GOid	namespace	contents
A	0005509	molecular_function	calcium ion binding
A	0005515	molecular_function	protein binding
A	0006811	biological_process	monoatomic ion transport
A	0009279	cellular_component	cell outer membrane
A	0015288	molecular_function	porin activity
A	0015420	molecular_function	ABC-type vitamin B12 transporter activity
A	0015889	biological_process	cobalamin transport
A	0016020	cellular_component	membrane
A	0019904	molecular_function	protein domain specific binding
A	0034220	biological_process	monoatomic ion transmembrane transport
A	0035461	biological_process	vitamin transmembrane transport
A	0046872	molecular_function	metal ion binding
A	0046930	cellular_component	pore complex
A	0090482	molecular_function	vitamin transmembrane transporter activity
A	1902495	cellular_component	transmembrane transporter complex

Functional Information from PDB Data

site_id	AC1
Number of Residues	3
Details	BINDING SITE FOR RESIDUE MG A 595

Chain	Residue
A	HIS174
A	HIS176
A	HIS449

---

site_id	AC2
Number of Residues	9
Details	BINDING SITE FOR RESIDUE C8E A 800

Chain	Residue
A	PHE470
A	THR472
A	GLY473
A	ALA357
A	ARG358
A	SER359
A	ARG367
A	GLY369
A	THR370

---

site_id	AC3
Number of Residues	9
Details	BINDING SITE FOR RESIDUE C8E A 801

Chain	Residue
A	TRP317
A	THR338
A	ASP361
A	SER363
A	ILE380
A	TYR383
A	PHE422
A	HOH877
A	HOH1010

---

site_id	AC4
Number of Residues	9
Details	BINDING SITE FOR RESIDUE C8E A 802

Chain	Residue
A	TRP300
A	ASN302
A	VAL304
A	ALA313
A	GLY314
A	ILE340
A	LEU342
A	ILE433
A	C8E804

---

site_id	AC5
Number of Residues	6
Details	BINDING SITE FOR RESIDUE C8E A 803

Chain	Residue
A	GLY344
A	LEU345
A	PHE353
A	ALA356
A	THR373
A	C8E805

---

site_id	AC6
Number of Residues	8
Details	BINDING SITE FOR RESIDUE C8E A 804

Chain	Residue
A	TRP214
A	TYR256
A	ASN302
A	TYR436
A	LYS462
A	GLY463
A	VAL464
A	C8E802

---

site_id	AC7
Number of Residues	2
Details	BINDING SITE FOR RESIDUE C8E A 805

Chain	Residue
A	GLN346
A	C8E803

---

site_id	AC8
Number of Residues	2
Details	BINDING SITE FOR RESIDUE C8E A 806

Chain	Residue
A	TRP371
A	TYR505

---

Functional Information from PROSITE/UniProt

site_id	PS01156
Number of Residues	18
Details	TONB_DEPENDENT_REC_2 TonB-dependent receptor (TBDR) proteins signature 2. YgyqTaGReYtLSGsYtF

Chain	Residue	Details
A	TYR577-PHE594

---

Functional Information from SwissProt/UniProt

site_id	SWS_FT_FI1
Number of Residues	278
Details	Transmembrane: {"description":"Beta stranded"}

Chain

Residue

Details

---

site_id	SWS_FT_FI2
Number of Residues	62
Details	Topological domain: {"description":"Extracellular","evidences":[{"source":"PubMed","id":"12652322","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI3
Number of Residues	32
Details	Topological domain: {"description":"Periplasmic","evidences":[{"source":"PubMed","id":"12652322","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI4
Number of Residues	114
Details	Domain: {"description":"TBDR plug","evidences":[{"source":"PROSITE-ProRule","id":"PRU01360","evidenceCode":"ECO:0000255"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI5
Number of Residues	7
Details	Motif: {"description":"TonB box"}

Chain

Residue

Details

---

site_id	SWS_FT_FI6
Number of Residues	17
Details	Motif: {"description":"TonB C-terminal box"}

Chain

Residue

Details

---

site_id	SWS_FT_FI7
Number of Residues	7
Details	Binding site: {"evidences":[{"source":"PubMed","id":"12652322","evidenceCode":"ECO:0000269"},{"source":"PDB","id":"1NQH","evidenceCode":"ECO:0007744"}]}

Chain

Residue

Details

---

site_id	SWS_FT_FI8
Number of Residues	1
Details	Binding site: {"evidences":[{"source":"PubMed","id":"12652322","evidenceCode":"ECO:0000269"}]}

Chain

Residue

Details

---