Structure of PDB 3fo3 Chain B Binding Site BS10

Receptor Information
>3fo3 Chain B (length=519) Species: 186931 (Thioalkalivibrio nitratireducens) [Search protein sequence] [Download receptor structure] [Download structure with residue number starting from 1] [View receptor structure]
NLKPVDAMQCFDCHTQIEDMHTVGKHATVNCVHCHDATEHVETASSRRMG
ERPVTRMDLEACATCHTAQFNSFVEVRHESHPRLEKATPTSRSPMFDKLI
AGHGFAFEHAEPRSHAFMLVDHFVVDRAYGGRFQFKNWQKVTDGMGAVRG
AWTVLTDADPESSDQRRFLSQTATAANPVCLNCKTQDHILDWAYMGDEHE
AAKWSRTSEVVEFARDLNHPLNCFMCHDPHSAGPRVVRDGLINAVVDRGL
GTYPHDPVKSEQQGMTKVTFQRGREDFRAIGLLDTADSNVMCAQCHVEYN
CNPGYQLSDGSRVGMDDRRANHFFWANVFDYKEAAQEIDFFDFRHATTGA
ALPKLQHPEAETFWGSVHERNGVACADCHMPKVQLENGKVYTSHSQRTPR
DMMGQACLNCHAEWTEDQALYAIDYIKNYTHGKIVKSEYWLAKMIDLFPV
AKRAGVSEDVLNQARELHYDAHLYWEWWTAENSVGFHNPDQARESLMTSI
SKSKEAVSLLNDAIDAQVA
Ligand information
Ligand IDCA
InChIInChI=1S/Ca/q+2
InChIKeyBHPQYMZQTOCNFJ-UHFFFAOYSA-N
SMILES
SoftwareSMILES
CACTVS 3.341[Ca++]
ACDLabs 10.04
OpenEye OEToolkits 1.5.0		[Ca+2]
FormulaCa
NameCALCIUM ION
ChEMBL
DrugBankDB14577
ZINC
PDB chain3fo3 Chain B Residue 527 [Download ligand structure] [Download structure with residue number starting from 1] [View ligand structure]
Receptor-Ligand Complex Structure
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PDB3fo3 Structures of complexes of octahaem cytochrome c nitrite reductase from Thioalkalivibrio nitratireducens with sulfite and cyanide
Resolution1.4 Å
Binding residue
(original residue number in PDB)		E302 Y303 K358 Q360
Binding residue
(residue number reindexed from 1)		E298 Y299 K354 Q356
Annotation score1
Enzymatic activity
Enzyme Commision number 1.7.2.2: nitrite reductase (cytochrome; ammonia-forming).
Gene Ontology
Molecular Function
GO:0005509 calcium ion binding
GO:0016491 oxidoreductase activity
GO:0020037 heme binding
GO:0042279 nitrite reductase (cytochrome, ammonia-forming) activity
GO:0046872 metal ion binding
Biological Process
GO:0019645 anaerobic electron transport chain
GO:0042128 nitrate assimilation
GO:0097164 ammonium ion metabolic process
Cellular Component
GO:0030288 outer membrane-bounded periplasmic space
GO:0042597 periplasmic space

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Biological Process
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Cellular Component
External links
PDB RCSB:3fo3, PDBe:3fo3, PDBj:3fo3
PDBsum3fo3
PubMed20944237
UniProtL0DSL2|NIR_THIND Cytochrome c-552 (Gene Name=nir)

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