Structure of PDB 1nqg Chain A

Receptor sequence
>1nqgA (length=576) Species: 562 (Escherichia coli) [Search protein sequence]
DTLVVTANRFEQPRSTVLAPTTVVTRQDIDRWQSTSVNDVLRRLPGVDIT
QNGGSGQLSSIFIRGTNASHVLVLIDGVRLNLAGVSGSADLSQFPIALVQ
RVEYIRGPRSAVYGSDAIGGVVNIITTRDEPGTEISAGWGSNSYQNYDVS
TQQQLGDKTRVTLLGDYAHTHGYDVVAYGNTGTQAQTDNDGFLSKTLYGA
LEHNFTDAWSGFVRGYGYDNRTNYDADTRKLYSQSWDAGLRYNGELIKSQ
LITSYSHSKDYNYDPHDSSATLDEMKQYTVQWANNVIVGHGSIGAGVDWQ
KQTTTPGTGYVEDGYDQRNTGIYLTGLQQVGDFTFEGAARSDDNSQFGRH
GTWQTSAGWEFIEGYRFIASYGTSYKAPNLGQLYGFYGNPNLDPEKSKQW
EGAFEGLTAGVNWRISGYRNDVSDLIDYDDHTLKYYNEGKARIKGVEATA
NFDTGPLTHTVSYDYVDARNAITDTPLLRRAKQQVKYQLDWQLYDFDWGI
TYQYLGTRYDKDYSSYPYQTVKMGGVSLWDLAVAYPVTSHLTVRGKIANL
FDKDYETVYGYQTAGREYTLSGSYTF
3D structure
PDB1nqg Substrate-induced transmembrane signaling in the cobalamin transporter BtuB
ChainA
Resolution3.31 Å
3D
structure
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Enzymatic activity
Enzyme Commision number ?
Interaction with ligand
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
GO:0005515 protein binding
GO:0015288 porin activity
GO:0015420 ABC-type vitamin B12 transporter activity
GO:0019904 protein domain specific binding
GO:0046872 metal ion binding
GO:0090482 vitamin transmembrane transporter activity
Biological Process
GO:0006811 monoatomic ion transport
GO:0015889 cobalamin transport
GO:0034220 monoatomic ion transmembrane transport
GO:0035461 vitamin transmembrane transport
Cellular Component
GO:0009279 cell outer membrane
GO:0016020 membrane
GO:0046930 pore complex
GO:1902495 transmembrane transporter complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1nqg, PDBe:1nqg, PDBj:1nqg
PDBsum1nqg
PubMed12652322
UniProtP06129|BTUB_ECOLI Vitamin B12 transporter BtuB (Gene Name=btuB)

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