Structure of PDB 1h3c Chain C

Receptor sequence
>1h3cC (length=619) Species: 405212 (Alicyclobacillus acidocaldarius) [Search protein sequence]
AYARTLDRAVEYLLSCQKDEGYWWGPLLSNVTMEAEYVLLCHILDRVDRD
RMEKIRRYLLHEQREDGTWALYPGGPPDLDTTIEAYVALKYIGMSRDEEP
MQKALRFIQSQGGIESSRVFTRMWLALVGEYPWEKVPMVPPEIMFLGKRM
PLNIYEFGSWARATVVALSIVMSRQPVFPLPERARVPELYETDVPPRRRG
AKGGGGWIFDALDRALHGYQKLSVHPFRRAAEIRALDWLLERQAGDGSWG
GIQPPWFYALIALKILDMTQHPAFIKGWEGLELYGVELDYGGWMFQASIS
PVWDTGLAVLALRAAGLPADHDRLVKAGEWLLDRQITVPGDWAVKRPNLK
PGGFAFQFDNVYYPDVDDTAVVVWALNTLRLPDERRRRDAMTKGFRWIVG
MQSSNGGWGAYDVDNTSDLPNHIPFCDFGEVTDPPSEDVTAHVLECFGSF
GYDDAWKVIRRAVEYLKREQKPDGSWFGRWGVNYLYGTGAVVSALKAVGI
DTREPYIQKALDWVEQHQNPDGGWGEDCRSYEDPAYAGKGASTPSQTAWA
LMALIAGGRAESEAARRGVQYLVETQRPDGGWDEPYYTGTGFPGDFYLGY
TMYRHVFPTLALGRYKQAI
3D structure
PDB1h3c Binding Structures and Potencies of Oxidosqualene Cyclase Inhibitors with the Homologous Squalene-Hopene Cyclase
ChainC
Resolution2.9 Å
3D
structure
Catalytic site residues are labeled in the structure
[Spin on]
[Spin off]
[Reset orientation]

[High quality]
[Low quality]

[White background]
[Black background]

[Download]
[Download structure with residue number starting from 1]
Enzymatic activity
Catalytic site (original residue number in PDB) E45 E93 R127 W169 Q262 W312 F365 D374 D376 D377 Y420 H451 W489 Y495 F601 F605 Y609
Catalytic site (residue number reindexed from 1) E36 E84 R118 W160 Q253 W303 F356 D365 D367 D368 Y411 H442 W480 Y486 F592 F596 Y600
Enzyme Commision number 4.2.1.129: squalene--hopanol cyclase.
5.4.99.17: squalene--hopene cyclase.
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 C8E C G349 Y371 G340 Y362
BS02 R79 C F129 A170 T173 P263 W312 D374 W489 F601 F605 F120 A161 T164 P254 W303 D365 W480 F592 F596
Gene Ontology
Molecular Function
GO:0016829 lyase activity
GO:0016853 isomerase activity
GO:0016866 intramolecular transferase activity
GO:0051007 squalene-hopene cyclase activity
Biological Process
GO:0008610 lipid biosynthetic process
GO:0016104 triterpenoid biosynthetic process
Cellular Component
GO:0005811 lipid droplet
GO:0005886 plasma membrane

View graph for
Molecular Function

View graph for
Biological Process

View graph for
Cellular Component
External links
PDB RCSB:1h3c, PDBe:1h3c, PDBj:1h3c
PDBsum1h3c
PubMed12747780
UniProtP33247|SQHC_ALIAD Squalene--hopene cyclase (Gene Name=shc)

[Back to BioLiP]