ID A0A0P6XRG8_9CHLR Unreviewed; 824 AA.
AC A0A0P6XRG8;
DT 20-JAN-2016, integrated into UniProtKB/TrEMBL.
DT 20-JAN-2016, sequence version 1.
DT 27-MAR-2024, entry version 44.
DE RecName: Full=Lon protease {ECO:0000256|HAMAP-Rule:MF_01973, ECO:0000256|PIRNR:PIRNR001174};
DE EC=3.4.21.53 {ECO:0000256|HAMAP-Rule:MF_01973, ECO:0000256|PIRNR:PIRNR001174};
DE AltName: Full=ATP-dependent protease La {ECO:0000256|HAMAP-Rule:MF_01973};
GN Name=lon {ECO:0000256|HAMAP-Rule:MF_01973};
GN ORFNames=ADN01_06395 {ECO:0000313|EMBL:KPL85134.1};
OS Levilinea saccharolytica.
OC Bacteria; Chloroflexota; Anaerolineae; Anaerolineales; Anaerolineaceae;
OC Levilinea.
OX NCBI_TaxID=229921 {ECO:0000313|EMBL:KPL85134.1, ECO:0000313|Proteomes:UP000050501};
RN [1] {ECO:0000313|EMBL:KPL85134.1, ECO:0000313|Proteomes:UP000050501}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=KIBI-1 {ECO:0000313|EMBL:KPL85134.1,
RC ECO:0000313|Proteomes:UP000050501};
RA Hemp J., Ward L.M., Pace L.A., Fischer W.W.;
RT "Genome sequence of Levilinea saccharolytica DSM 16555.";
RL Submitted (JUL-2015) to the EMBL/GenBank/DDBJ databases.
CC -!- FUNCTION: ATP-dependent serine protease that mediates the selective
CC degradation of mutant and abnormal proteins as well as certain short-
CC lived regulatory proteins. Required for cellular homeostasis and for
CC survival from DNA damage and developmental changes induced by stress.
CC Degrades polypeptides processively to yield small peptide fragments
CC that are 5 to 10 amino acids long. Binds to DNA in a double-stranded,
CC site-specific manner. {ECO:0000256|HAMAP-Rule:MF_01973}.
CC -!- CATALYTIC ACTIVITY:
CC Reaction=Hydrolysis of proteins in presence of ATP.; EC=3.4.21.53;
CC Evidence={ECO:0000256|HAMAP-Rule:MF_01973,
CC ECO:0000256|PIRNR:PIRNR001174, ECO:0000256|PROSITE-ProRule:PRU01122};
CC -!- SUBUNIT: Homohexamer. Organized in a ring with a central cavity.
CC {ECO:0000256|HAMAP-Rule:MF_01973, ECO:0000256|PIRNR:PIRNR001174}.
CC -!- SUBCELLULAR LOCATION: Cytoplasm {ECO:0000256|ARBA:ARBA00004496,
CC ECO:0000256|HAMAP-Rule:MF_01973, ECO:0000256|PIRNR:PIRNR001174}.
CC -!- INDUCTION: By heat shock. {ECO:0000256|HAMAP-Rule:MF_01973}.
CC -!- SIMILARITY: Belongs to the peptidase S16 family. {ECO:0000256|HAMAP-
CC Rule:MF_01973, ECO:0000256|PIRNR:PIRNR001174, ECO:0000256|PROSITE-
CC ProRule:PRU01122, ECO:0000256|RuleBase:RU000591}.
CC -!- CAUTION: The sequence shown here is derived from an EMBL/GenBank/DDBJ
CC whole genome shotgun (WGS) entry which is preliminary data.
CC {ECO:0000313|EMBL:KPL85134.1}.
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DR EMBL; LGCM01000027; KPL85134.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A0P6XRG8; -.
DR STRING; 229921.ADN01_06395; -.
DR PATRIC; fig|229921.5.peg.2166; -.
DR OrthoDB; 9803599at2; -.
DR Proteomes; UP000050501; Unassembled WGS sequence.
DR GO; GO:0005737; C:cytoplasm; IEA:UniProtKB-SubCell.
DR GO; GO:0005524; F:ATP binding; IEA:UniProtKB-UniRule.
DR GO; GO:0016887; F:ATP hydrolysis activity; IEA:UniProtKB-UniRule.
DR GO; GO:0004176; F:ATP-dependent peptidase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0043565; F:sequence-specific DNA binding; IEA:UniProtKB-UniRule.
DR GO; GO:0004252; F:serine-type endopeptidase activity; IEA:UniProtKB-UniRule.
DR GO; GO:0034605; P:cellular response to heat; IEA:UniProtKB-UniRule.
DR GO; GO:0006515; P:protein quality control for misfolded or incompletely synthesized proteins; IEA:UniProtKB-UniRule.
DR CDD; cd19500; RecA-like_Lon; 1.
DR Gene3D; 1.10.8.60; -; 1.
DR Gene3D; 1.20.5.5270; -; 1.
DR Gene3D; 1.20.58.1480; -; 1.
DR Gene3D; 3.30.230.10; -; 1.
DR Gene3D; 2.30.130.40; LON domain-like; 1.
DR Gene3D; 3.40.50.300; P-loop containing nucleotide triphosphate hydrolases; 1.
DR HAMAP; MF_01973; lon_bact; 1.
DR InterPro; IPR003593; AAA+_ATPase.
DR InterPro; IPR003959; ATPase_AAA_core.
DR InterPro; IPR027543; Lon_bac.
DR InterPro; IPR004815; Lon_bac/euk-typ.
DR InterPro; IPR008269; Lon_proteolytic.
DR InterPro; IPR027065; Lon_Prtase.
DR InterPro; IPR003111; Lon_prtase_N.
DR InterPro; IPR046336; Lon_prtase_N_sf.
DR InterPro; IPR027417; P-loop_NTPase.
DR InterPro; IPR008268; Peptidase_S16_AS.
DR InterPro; IPR015947; PUA-like_sf.
DR InterPro; IPR020568; Ribosomal_Su5_D2-typ_SF.
DR InterPro; IPR014721; Ribsml_uS5_D2-typ_fold_subgr.
DR NCBIfam; TIGR00763; lon; 1.
DR PANTHER; PTHR10046; ATP DEPENDENT LON PROTEASE FAMILY MEMBER; 1.
DR PANTHER; PTHR10046:SF24; LON PROTEASE HOMOLOG 2, PEROXISOMAL; 1.
DR Pfam; PF00004; AAA; 1.
DR Pfam; PF05362; Lon_C; 1.
DR Pfam; PF02190; LON_substr_bdg; 1.
DR PIRSF; PIRSF001174; Lon_proteas; 1.
DR PRINTS; PR00830; ENDOLAPTASE.
DR SMART; SM00382; AAA; 1.
DR SMART; SM00464; LON; 1.
DR SUPFAM; SSF52540; P-loop containing nucleoside triphosphate hydrolases; 1.
DR SUPFAM; SSF88697; PUA domain-like; 1.
DR SUPFAM; SSF54211; Ribosomal protein S5 domain 2-like; 1.
DR PROSITE; PS51787; LON_N; 1.
DR PROSITE; PS51786; LON_PROTEOLYTIC; 1.
DR PROSITE; PS01046; LON_SER; 1.
PE 2: Evidence at transcript level;
KW ATP-binding {ECO:0000256|ARBA:ARBA00022840, ECO:0000256|HAMAP-
KW Rule:MF_01973};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01973, ECO:0000256|PIRNR:PIRNR001174};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_01973, ECO:0000256|PIRNR:PIRNR001174};
KW Nucleotide-binding {ECO:0000256|HAMAP-Rule:MF_01973,
KW ECO:0000256|PIRNR:PIRNR001174};
KW Protease {ECO:0000256|ARBA:ARBA00022670, ECO:0000256|HAMAP-Rule:MF_01973};
KW Reference proteome {ECO:0000313|Proteomes:UP000050501};
KW Serine protease {ECO:0000256|ARBA:ARBA00022825, ECO:0000256|HAMAP-
KW Rule:MF_01973};
KW Stress response {ECO:0000256|ARBA:ARBA00023016, ECO:0000256|HAMAP-
KW Rule:MF_01973}.
FT DOMAIN 25..216
FT /note="Lon N-terminal"
FT /evidence="ECO:0000259|PROSITE:PS51787"
FT DOMAIN 625..806
FT /note="Lon proteolytic"
FT /evidence="ECO:0000259|PROSITE:PS51786"
FT REGION 804..824
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 712
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01973,
FT ECO:0000256|PIRSR:PIRSR001174-1"
FT ACT_SITE 755
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01973,
FT ECO:0000256|PIRSR:PIRSR001174-1"
FT BINDING 387..394
FT /ligand="ATP"
FT /ligand_id="ChEBI:CHEBI:30616"
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01973,
FT ECO:0000256|PIRSR:PIRSR001174-2"
SQ SEQUENCE 824 AA; 92475 MW; CAF94EFFB120B5FE CRC64;
MPSLPDDSPS DEAVLIENPQ IPTELPILPL RGLVVYPLTA VPLTIGQPRS IRLVDDVANS
ERLIGLIAAR DPEKEAPNPD DLYQTGTIAM IHRLFRAPDG TIRLVVQGLS RFRVVEYLQT
EPYLKARIEP AAEIEEEGIE MEALARNVRD QFIHITELIP SIPREFVNSI ASIEGSLQTT
YSIANFQRMD LQDAQDILEF DSTRDKLLKL VSILTREIEM LELGQKIQNE ARSEIEKVQR
EYFLREQLKA IQKELGERDE QTADVEDFRQ KIEKADMPEE AAKQSQRELD RLSRLPTSSA
EYGVIRTYLD WLVSLPWNTH TSDNLDITHA REVLDHDHYG LEDIKARILE FLAVRKLRLE
RREELSQDLR DDQIRREREG VILCFVGPPG VGKTSLGQSI ARALGRKFIR ISLGGIRDEA
EIRGHRRTYI GSLPGRILQA LRRAESNNPV FMLDEIDKMS ADFRGDPASA LLEVLDPEQN
SEFRDHYLEV AFNLSQVMFI TTANTLETIP APLLDRMEII QLAGYTEGEK VKIANQYLVP
RQLRENGLRP GEVVFTEAAI HIIIRQYTRE AGVRNLEREL GSVCRKVVAQ LAEDKLDVYE
IDADQVRKYL GRPHFQGDEE ISMRTSEPGV ATGLAWTPVG GDILFIEATR MPGAKGFQTT
GSIGKVMEES AKAALSYVRS RAEILGLPAD FFDHSDIHLH IPAGAQPKDG PSAGVTIATA
IVSLISGKPV RSDVGMTGEI TLRGQVLPVG GIKEKVLAAH RYGLKTIILP KKNQEDLEDL
SEEVRTALNF IFAETVTDVI HNALEEPAKP ASRSAKRGRQ TKHE
//