Structure of PDB 1qbq Chain B

Receptor sequence
>1qbqB (length=401) Species: 10116 (Rattus norvegicus) [Search protein sequence]
LYSLRPEHARERLQDDSVETVTSIEQAKVEEKIQEVFSSYKFNHLVPRLV
LQREKHFHYLKRGLRQLTDAYECLDASRPWLCYWILHSLELLDEPIPQIV
ATDVCQFLELCQSPDGGFGGGPGQYPHLAPTYAAVNALCIIGTEEAYNVI
NREKLLQYLYSLKQPDGSFLMHVGGEVDVRSAYCAASVASLTNIITPDLF
EGTAEWIARCQNWEGGIGGVPGMEAHGGYTFCGLAALVILKKERSLNLKS
LLQWVTSRQMRFEGGFQGRCNKLVDGCYSFWQAGLLPLLHRALHAQGDPA
LSMSHWMFHQQALQEYILMCCQCPAGGLLDKPGKSRDFYHTCYCLSGLSI
AQHFGSGAMLHDVVMGVPENVLQPTHPVYNIGPDKVIQATTHFLQKPVPG
F
3D structure
PDB1qbq Crystal structure of farnesyl protein transferase complexed with a CaaX peptide and farnesyl diphosphate analogue
ChainB
Resolution2.4 Å
3D
structure
Catalytic site residues are labeled in the structure
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Enzymatic activity
Catalytic site (original residue number in PDB) H248 R291 K294 D297 C299 Y300 D352 D359 H362
Catalytic site (residue number reindexed from 1) H226 R269 K272 D275 C277 Y278 D330 D337 H340
Enzyme Commision number 2.5.1.58: protein farnesyltransferase.
Interaction with ligand
Site
#		 Ligand Ligand
chain		 Binding residues on receptor
(original residue number in PDB)		 Binding residues on receptor
(residue number reindexed from 1)		 Binding affinity
BS01 peptide B W102 A151 P152 R202 Y361 H362 W80 A129 P130 R180 Y339 H340
BS02 ZN B D297 C299 H362 D275 C277 H340
BS03 HFP B Y205 H248 G250 Y251 C254 R291 W303 Y183 H226 G228 Y229 C232 R269 W281 MOAD: Ki=5nM
PDBbind-CN: -logKd/Ki=8.30,Ki=5nM
Gene Ontology
Molecular Function
GO:0003824 catalytic activity
GO:0004311 farnesyltranstransferase activity
GO:0004659 prenyltransferase activity
GO:0004660 protein farnesyltransferase activity
GO:0005515 protein binding
GO:0008270 zinc ion binding
GO:0008318 protein prenyltransferase activity
GO:0042277 peptide binding
GO:0046872 metal ion binding
Biological Process
GO:0006629 lipid metabolic process
GO:0008283 cell population proliferation
GO:0008284 positive regulation of cell population proliferation
GO:0008285 negative regulation of cell population proliferation
GO:0014070 response to organic cyclic compound
GO:0018343 protein farnesylation
GO:0034097 response to cytokine
GO:0042060 wound healing
GO:0045787 positive regulation of cell cycle
GO:0048144 fibroblast proliferation
GO:0048145 regulation of fibroblast proliferation
GO:0048146 positive regulation of fibroblast proliferation
GO:0051770 positive regulation of nitric-oxide synthase biosynthetic process
Cellular Component
GO:0005875 microtubule associated complex
GO:0005965 protein farnesyltransferase complex

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Molecular Function
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Biological Process
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Cellular Component
External links
PDB RCSB:1qbq, PDBe:1qbq, PDBj:1qbq
PDBsum1qbq
PubMed9843427
UniProtQ02293|FNTB_RAT Protein farnesyltransferase subunit beta (Gene Name=Fntb)

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