Structure of PDB 1gsz Chain A

Receptor sequence
>1gszA (length=619) Species: 405212 (Alicyclobacillus acidocaldarius) [Search protein sequence]
AYARTLDRAVEYLLSCQKDEGYWWGPLLSNVTMEAEYVLLCHILDRVDRD
RMEKIRRYLLHEQREDGTWALYPGGPPDLDTTIEAYVALKYIGMSRDEEP
MQKALRFIQSQGGIESSRVFTRMWLALVGEYPWEKVPMVPPEIMFLGKRM
PLNIYEFGSWARATVVALSIVMSRQPVFPLPERARVPELYETDVPPRRRG
AKGGGGWIFDALDRALHGYQKLSVHPFRRAAEIRALDWLLERQAGDGSWG
GIQPPWFYALIALKILDMTQHPAFIKGWEGLELYGVELDYGGWMFQASIS
PVWDTGLAVLALRAAGLPADHDRLVKAGEWLLDRQITVPGDWAVKRPNLK
PGGFAFQFDNVYYPDVDDTAVVVWALNTLRLPDERRRRDAMTKGFRWIVG
MQSSNGGWGAYDVDNTSDLPNHIPFCDFGEVTDPPSEDVTAHVLECFGSF
GYDDAWKVIRRAVEYLKREQKPDGSWFGRWGVNYLYGTGAVVSALKAVGI
DTREPYIQKALDWVEQHQNPDGGWGEDCRSYEDPAYAGKGASTPSQTAWA
LMALIAGGRAESEAARRGVQYLVETQRPDGGWDEPYYTGTGFPGDFYLGY
TMYRHVFPTLALGRYKQAI
3D structure
PDB1gsz Crystal Structure of a Squalene Cyclase in Complex with the Potential Anticholesteremic Drug Ro48-8071
ChainA
Resolution2.8 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 R71 A W169 A170 I261 P263 W312 F365 D376 W489 F601 F605 W160 A161 I252 P254 W303 F356 D367 W480 F592 F596 PDBbind-CN: -logKd/Ki=7.21,IC50=61nM
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:1gsz, PDBe:1gsz, PDBj:1gsz
PDBsum1gsz
PubMed12031670
UniProtP33247|SQHC_ALIAD Squalene--hopene cyclase (Gene Name=shc)

[Back to BioLiP]