ID A0A0Q5VH55_9CAUL Unreviewed; 797 AA.
AC A0A0Q5VH55;
DT 20-JAN-2016, integrated into UniProtKB/TrEMBL.
DT 20-JAN-2016, sequence version 1.
DT 24-JAN-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=ASG17_07430 {ECO:0000313|EMBL:KQS56574.1};
OS Brevundimonas sp. Leaf363.
OC Bacteria; Pseudomonadota; Alphaproteobacteria; Caulobacterales;
OC Caulobacteraceae; Brevundimonas.
OX NCBI_TaxID=1736353 {ECO:0000313|EMBL:KQS56574.1, ECO:0000313|Proteomes:UP000051182};
RN [1] {ECO:0000313|EMBL:KQS56574.1, ECO:0000313|Proteomes:UP000051182}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Leaf363 {ECO:0000313|EMBL:KQS56574.1,
RC ECO:0000313|Proteomes:UP000051182};
RA Gilbert D.G.;
RL Submitted (OCT-2015) to the EMBL/GenBank/DDBJ databases.
RN [2] {ECO:0000313|EMBL:KQS56574.1, ECO:0000313|Proteomes:UP000051182}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=Leaf363 {ECO:0000313|EMBL:KQS56574.1,
RC ECO:0000313|Proteomes:UP000051182};
RA Schulze-Lefert P.;
RT "Functional overlap of the Arabidopsis leaf and root microbiotas.";
RL Submitted (NOV-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:KQS56574.1}.
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DR EMBL; LMPZ01000002; KQS56574.1; -; Genomic_DNA.
DR RefSeq; WP_056103255.1; NZ_LMPZ01000002.1.
DR AlphaFoldDB; A0A0Q5VH55; -.
DR STRING; 1736353.ASG17_07430; -.
DR OrthoDB; 9803599at2; -.
DR Proteomes; UP000051182; 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:SF56; LON PROTEASE; 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}; Coiled coil {ECO:0000256|SAM:Coils};
KW Cytoplasm {ECO:0000256|HAMAP-Rule:MF_01973, ECO:0000256|PIRNR:PIRNR001174};
KW DNA-binding {ECO:0000313|EMBL:KQS56574.1};
KW Hydrolase {ECO:0000256|HAMAP-Rule:MF_01973, ECO:0000256|PIRNR:PIRNR001174};
KW Nucleotide-binding {ECO:0000256|ARBA:ARBA00022741, ECO:0000256|HAMAP-
KW Rule:MF_01973};
KW Protease {ECO:0000256|ARBA:ARBA00022670, ECO:0000256|HAMAP-Rule:MF_01973};
KW Reference proteome {ECO:0000313|Proteomes:UP000051182};
KW Serine protease {ECO:0000256|ARBA:ARBA00022825, ECO:0000256|HAMAP-
KW Rule:MF_01973}; Stress response {ECO:0000256|HAMAP-Rule:MF_01973}.
FT DOMAIN 7..198
FT /note="Lon N-terminal"
FT /evidence="ECO:0000259|PROSITE:PS51787"
FT DOMAIN 587..768
FT /note="Lon proteolytic"
FT /evidence="ECO:0000259|PROSITE:PS51786"
FT REGION 777..797
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT COILED 203..260
FT /evidence="ECO:0000256|SAM:Coils"
FT ACT_SITE 674
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01973,
FT ECO:0000256|PIRSR:PIRSR001174-1"
FT ACT_SITE 717
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01973,
FT ECO:0000256|PIRSR:PIRSR001174-1"
FT BINDING 352..359
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 797 AA; 87953 MW; 511F5B2E520F7791 CRC64;
MSESKILPVL PLRDIVVFPH MVVPLFVGRE KSVKALDEIM KGEKLILLAT QKNSVDDDPS
PDAIYETGVL ATVLQLLKLP DGTVKVLVEG KSRARLIRFT DREEYFEAEA ESLADEPGEP
AQAEALSRAV IEQFENYVKL NKKVPPEALS SIPQITDPSK LADSVAAHLS VKITDKQALL
EMIETPRRLE RVYGLMEGEI SVLQVEKKIR SRVKRQMEKT QREYYLNEQM KAIQRELGET
DDQRDEIMEL EKRIRKVKLS KEARAKADAE VKKLRNMSPM SAESTVVRNY LDWLLSIPWG
KAKQKPIDLQ KAEDILEEDH FGLEKVKERI VEYLAVQART GSLKGPILCL VGPPGVGKTS
LAKSIAKATG REYVRMSLGG VRDEAEIRGH RRTYIGSMPG KIIQSMKKAK TTNAFVLLDE
IDKLGADWRG DPSSALLEVL DPAQNSTFGD HYLEVDYDLS QVMFVTTANS LNMPQPLMDR
MEIIRVSGYT EDEKVEIAKR HVLPKQLTDH GLKAEELVIP EDTIRDLIRY YTREAGVRSL
ERALGGLARK AVREMAKTKV KTITVDAAKL ADYAGVKKYR YGETDEVDQV GIVTGLAWTE
FGGDILTIEA IKMPGRGRMT VTGNLKEVMK ESISAAASYV RARSLAFGVK PPVFEKTDIH
VHVPDGATPK DGPSAGVAMT VAMVSVLTGI PIRKDIAMTG EITLRGRVTA IGGLKEKLLA
ALRSGVKTVL IPQENEKDLA DVPDNVKGAL EIVPISTADE ALKWALTGSL TPVEWDEATE
PLPAPPPAAD GGAVVAH
//