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P33247

- SQHC_ALIAD

UniProt

P33247 - SQHC_ALIAD

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Protein

Squalene--hopene cyclase

Gene
shc, Aaci_2443
Organism
Alicyclobacillus acidocaldarius subsp. acidocaldarius (strain ATCC 27009 / DSM 446 / 104-1A) (Bacillus acidocaldarius)
Status
Reviewed - Annotation score: 4 out of 5 - Experimental evidence at protein leveli

Functioni

Catalyzes the cyclization of squalene into hopene.

Catalytic activityi

Squalene = hop-22(29)-ene.
Hopan-22-ol = squalene + H2O.

Pathwayi

GO - Molecular functioni

  1. lyase activity Source: UniProtKB-KW
  2. squalene-hopene cyclase activity Source: UniProtKB-EC

GO - Biological processi

  1. hopanoid biosynthetic process Source: UniProtKB-UniPathway
Complete GO annotation...

Keywords - Molecular functioni

Isomerase, Lyase

Enzyme and pathway databases

BioCyciAACI521098:GCIO-2514-MONOMER.
MetaCyc:MONOMER-17503.
SABIO-RKP33247.
UniPathwayiUPA00337.

Names & Taxonomyi

Protein namesi
Recommended name:
Squalene--hopene cyclase (EC:4.2.1.129, EC:5.4.99.17)
Alternative name(s):
Squalene--hopanol cyclase
Gene namesi
Name:shc
Ordered Locus Names:Aaci_2443
OrganismiAlicyclobacillus acidocaldarius subsp. acidocaldarius (strain ATCC 27009 / DSM 446 / 104-1A) (Bacillus acidocaldarius)
Taxonomic identifieri521098 [NCBI]
Taxonomic lineageiBacteriaFirmicutesBacilliBacillalesAlicyclobacillaceaeAlicyclobacillus
ProteomesiUP000001917: Chromosome

Subcellular locationi

GO - Cellular componenti

  1. plasma membrane Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Cell membrane, Membrane

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Initiator methioninei1 – 11Removed1 Publication
Chaini2 – 631630Squalene--hopene cyclasePRO_0000072650Add
BLAST

Interactioni

Protein-protein interaction databases

STRINGi521098.Aaci_2443.

Structurei

Secondary structure

1
631
Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Helixi10 – 2516
Beta strandi28 – 303
Helixi41 – 5212
Helixi58 – 7114
Beta strandi79 – 813
Helixi88 – 10114
Beta strandi105 – 1073
Helixi108 – 11912
Helixi123 – 1253
Helixi128 – 1369
Helixi142 – 1443
Helixi150 – 1545
Beta strandi157 – 1593
Helixi163 – 1653
Helixi168 – 18316
Helixi191 – 1933
Helixi196 – 1994
Beta strandi210 – 2123
Helixi216 – 23015
Helixi237 – 25115
Beta strandi256 – 2583
Helixi262 – 27413
Helixi281 – 2888
Helixi289 – 2935
Beta strandi294 – 2963
Turni298 – 3003
Beta strandi302 – 3043
Helixi310 – 32314
Helixi331 – 34212
Helixi350 – 3534
Beta strandi365 – 3684
Helixi375 – 38511
Helixi393 – 40917
Beta strandi415 – 4173
Beta strandi419 – 4235
Helixi428 – 4314
Beta strandi432 – 4343
Beta strandi436 – 4383
Helixi446 – 45712
Turni458 – 4603
Beta strandi463 – 4653
Helixi466 – 47813
Beta strandi488 – 4925
Helixi493 – 50614
Helixi514 – 52512
Helixi537 – 5404
Helixi543 – 5453
Beta strandi549 – 5513
Helixi553 – 56513
Beta strandi569 – 5713
Helixi572 – 58413
Beta strandi587 – 5893
Beta strandi598 – 6014
Turni602 – 6043
Beta strandi605 – 6095
Helixi612 – 62918

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1GSZX-ray2.80A/B/C2-631[»]
1H35X-ray2.80A/B/C2-631[»]
1H36X-ray2.80A/B/C2-631[»]
1H37X-ray2.80A/B/C2-631[»]
1H39X-ray2.80A/B/C2-631[»]
1H3AX-ray2.85A/B/C2-631[»]
1H3BX-ray2.80A/B/C2-631[»]
1H3CX-ray2.90A/B/C2-631[»]
1O6HX-ray2.80A/B/C2-631[»]
1O6QX-ray2.80A/B/C2-631[»]
1O6RX-ray2.70A/B/C2-631[»]
1O79X-ray2.80A/B/C2-631[»]
1SQCX-ray2.85A1-631[»]
1UMPX-ray2.13A/B/C2-631[»]
2SQCX-ray2.00A/B1-631[»]
3SQCX-ray2.80A/B/C1-631[»]
ProteinModelPortaliP33247.
SMRiP33247. Positions 10-628.

Miscellaneous databases

EvolutionaryTraceiP33247.

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Repeati15 – 5642PFTB 1Add
BLAST
Repeati61 – 10242PFTB 2Add
BLAST
Repeati241 – 28242PFTB 3Add
BLAST
Repeati400 – 44142PFTB 4Add
BLAST
Repeati468 – 50841PFTB 5Add
BLAST
Repeati516 – 55742PFTB 6Add
BLAST
Repeati574 – 62249PFTB 7Add
BLAST

Sequence similaritiesi

Contains 7 PFTB repeats.

Keywords - Domaini

Repeat

Phylogenomic databases

eggNOGiCOG1657.
HOGENOMiHOG000220823.
KOiK06045.
OMAiCKPGGWA.
OrthoDBiEOG6K6V4Q.

Family and domain databases

Gene3Di1.50.10.20. 2 hits.
InterProiIPR006400. Hopene-cyclase.
IPR001330. Prenyltrans.
IPR018333. Squalene_cyclase.
IPR002365. Terpene_synthase_CS.
IPR008930. Terpenoid_cyclase/PrenylTrfase.
[Graphical view]
PfamiPF00432. Prenyltrans. 3 hits.
[Graphical view]
SUPFAMiSSF48239. SSF48239. 2 hits.
TIGRFAMsiTIGR01507. hopene_cyclase. 1 hit.
TIGR01787. squalene_cyclas. 1 hit.
PROSITEiPS01074. TERPENE_SYNTHASES. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P33247-1 [UniParc]FASTAAdd to Basket

« Hide

MAEQLVEAPA YARTLDRAVE YLLSCQKDEG YWWGPLLSNV TMEAEYVLLC    50
HILDRVDRDR MEKIRRYLLH EQREDGTWAL YPGGPPDLDT TIEAYVALKY 100
IGMSRDEEPM QKALRFIQSQ GGIESSRVFT RMWLALVGEY PWEKVPMVPP 150
EIMFLGKRMP LNIYEFGSWA RATVVALSIV MSRQPVFPLP ERARVPELYE 200
TDVPPRRRGA KGGGGWIFDA LDRALHGYQK LSVHPFRRAA EIRALDWLLE 250
RQAGDGSWGG IQPPWFYALI ALKILDMTQH PAFIKGWEGL ELYGVELDYG 300
GWMFQASISP VWDTGLAVLA LRAAGLPADH DRLVKAGEWL LDRQITVPGD 350
WAVKRPNLKP GGFAFQFDNV YYPDVDDTAV VVWALNTLRL PDERRRRDAM 400
TKGFRWIVGM QSSNGGWGAY DVDNTSDLPN HIPFCDFGEV TDPPSEDVTA 450
HVLECFGSFG YDDAWKVIRR AVEYLKREQK PDGSWFGRWG VNYLYGTGAV 500
VSALKAVGID TREPYIQKAL DWVEQHQNPD GGWGEDCRSY EDPAYAGKGA 550
STPSQTAWAL MALIAGGRAE SEAARRGVQY LVETQRPDGG WDEPYYTGTG 600
FPGDFYLGYT MYRHVFPTLA LGRYKQAIER R 631
Length:631
Mass (Da):71,570
Last modified:January 23, 2007 - v4
Checksum:iE389635BD6486C3A
GO

Sequence conflict

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Sequence conflicti600 – 6012GF → AS in AAA75452. 1 Publication

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M73834 Genomic DNA. Translation: AAA75452.1.
AB007002 Genomic DNA. Translation: BAA25185.1.
CP001727 Genomic DNA. Translation: ACV59449.1.
PIRiA43300.
RefSeqiWP_012811690.1. NC_013205.1.
YP_003185838.1. NC_013205.1.

Genome annotation databases

EnsemblBacteriaiACV59449; ACV59449; Aaci_2443.
GeneIDi8425972.
KEGGiaac:Aaci_2443.
PATRICi20848382. VBIAliAci73240_2414.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
M73834 Genomic DNA. Translation: AAA75452.1 .
AB007002 Genomic DNA. Translation: BAA25185.1 .
CP001727 Genomic DNA. Translation: ACV59449.1 .
PIRi A43300.
RefSeqi WP_012811690.1. NC_013205.1.
YP_003185838.1. NC_013205.1.

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
Entry Method Resolution (Å) Chain Positions PDBsum
1GSZ X-ray 2.80 A/B/C 2-631 [» ]
1H35 X-ray 2.80 A/B/C 2-631 [» ]
1H36 X-ray 2.80 A/B/C 2-631 [» ]
1H37 X-ray 2.80 A/B/C 2-631 [» ]
1H39 X-ray 2.80 A/B/C 2-631 [» ]
1H3A X-ray 2.85 A/B/C 2-631 [» ]
1H3B X-ray 2.80 A/B/C 2-631 [» ]
1H3C X-ray 2.90 A/B/C 2-631 [» ]
1O6H X-ray 2.80 A/B/C 2-631 [» ]
1O6Q X-ray 2.80 A/B/C 2-631 [» ]
1O6R X-ray 2.70 A/B/C 2-631 [» ]
1O79 X-ray 2.80 A/B/C 2-631 [» ]
1SQC X-ray 2.85 A 1-631 [» ]
1UMP X-ray 2.13 A/B/C 2-631 [» ]
2SQC X-ray 2.00 A/B 1-631 [» ]
3SQC X-ray 2.80 A/B/C 1-631 [» ]
ProteinModelPortali P33247.
SMRi P33247. Positions 10-628.
ModBasei Search...
MobiDBi Search...

Protein-protein interaction databases

STRINGi 521098.Aaci_2443.

Chemistry

BindingDBi P33247.
ChEMBLi CHEMBL3569.

Protocols and materials databases

Structural Biology Knowledgebase Search...

Genome annotation databases

EnsemblBacteriai ACV59449 ; ACV59449 ; Aaci_2443 .
GeneIDi 8425972.
KEGGi aac:Aaci_2443.
PATRICi 20848382. VBIAliAci73240_2414.

Phylogenomic databases

eggNOGi COG1657.
HOGENOMi HOG000220823.
KOi K06045.
OMAi CKPGGWA.
OrthoDBi EOG6K6V4Q.

Enzyme and pathway databases

UniPathwayi UPA00337 .
BioCyci AACI521098:GCIO-2514-MONOMER.
MetaCyc:MONOMER-17503.
SABIO-RK P33247.

Miscellaneous databases

EvolutionaryTracei P33247.

Family and domain databases

Gene3Di 1.50.10.20. 2 hits.
InterProi IPR006400. Hopene-cyclase.
IPR001330. Prenyltrans.
IPR018333. Squalene_cyclase.
IPR002365. Terpene_synthase_CS.
IPR008930. Terpenoid_cyclase/PrenylTrfase.
[Graphical view ]
Pfami PF00432. Prenyltrans. 3 hits.
[Graphical view ]
SUPFAMi SSF48239. SSF48239. 2 hits.
TIGRFAMsi TIGR01507. hopene_cyclase. 1 hit.
TIGR01787. squalene_cyclas. 1 hit.
PROSITEi PS01074. TERPENE_SYNTHASES. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

« Hide 'large scale' publications
  1. "Cloning, expression, and sequencing of squalene-hopene cyclase, a key enzyme in triterpenoid metabolism."
    Ochs D., Kaletta C., Entian K.-D., Beck-Sickinger A., Poralla K.
    J. Bacteriol. 174:298-302(1992) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
  2. Ochs D., Kaletta C., Entian K.-D., Beck-Sickinger A., Poralla K.
    Submitted (SEP-1995) to the EMBL/GenBank/DDBJ databases
    Cited for: SEQUENCE REVISION.
  3. "Overexpression of squalene-hopene cyclase by the pET vector in Escherichia coli and first identification of tryptophan and aspartic acid residues inside the QW motif as active sites."
    Sato T., Kanai Y., Hoshino T.
    Biosci. Biotechnol. Biochem. 62:407-411(1998) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
  4. Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
    Strain: ATCC 27009 / DSM 446 / 104-1A.
  5. "Properties of purified squalene-hopene cyclase from Bacillus acidocaldarius."
    Ochs D., Tappe C.H., Gaertner P., Kellner R., Poralla K.
    Eur. J. Biochem. 194:75-80(1990) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE OF 2-25, CHARACTERIZATION.
  6. "Structure and function of a squalene cyclase."
    Wendt K.U., Poralla K., Schulz G.E.
    Science 277:1811-1815(1997) [PubMed] [Europe PMC] [Abstract]
    Cited for: X-RAY CRYSTALLOGRAPHY (2.9 ANGSTROMS).
  7. "The structure of the membrane protein squalene-hopene cyclase at 2.0-A resolution."
    Wendt K.U., Lenhart A., Schulz G.E.
    J. Mol. Biol. 286:175-187(1999) [PubMed] [Europe PMC] [Abstract]
    Cited for: X-RAY CRYSTALLOGRAPHY (2.0 ANGSTROMS).

Entry informationi

Entry nameiSQHC_ALIAD
AccessioniPrimary (citable) accession number: P33247
Secondary accession number(s): C8WSG4
Entry historyi
Integrated into UniProtKB/Swiss-Prot: February 1, 1994
Last sequence update: January 23, 2007
Last modified: September 3, 2014
This is version 114 of the entry and version 4 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Direct protein sequencing

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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