ID A0A1H9IT28_9GAMM Unreviewed; 800 AA.
AC A0A1H9IT28;
DT 22-NOV-2017, integrated into UniProtKB/TrEMBL.
DT 22-NOV-2017, sequence version 1.
DT 27-MAR-2024, entry version 27.
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=SAMN04488038_110165 {ECO:0000313|EMBL:SEQ77678.1};
OS Solimonas aquatica.
OC Bacteria; Pseudomonadota; Gammaproteobacteria; Nevskiales; Nevskiaceae;
OC Solimonas.
OX NCBI_TaxID=489703 {ECO:0000313|EMBL:SEQ77678.1, ECO:0000313|Proteomes:UP000199233};
RN [1] {ECO:0000313|EMBL:SEQ77678.1, ECO:0000313|Proteomes:UP000199233}
RP NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
RC STRAIN=DSM 25927 {ECO:0000313|EMBL:SEQ77678.1,
RC ECO:0000313|Proteomes:UP000199233};
RA de Groot N.N.;
RL Submitted (OCT-2016) 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}.
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DR EMBL; FOFS01000010; SEQ77678.1; -; Genomic_DNA.
DR AlphaFoldDB; A0A1H9IT28; -.
DR STRING; 489703.SAMN04488038_110165; -.
DR Proteomes; UP000199233; 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};
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:UP000199233};
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 9..203
FT /note="Lon N-terminal"
FT /evidence="ECO:0000259|PROSITE:PS51787"
FT DOMAIN 593..774
FT /note="Lon proteolytic"
FT /evidence="ECO:0000259|PROSITE:PS51786"
FT REGION 242..266
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT REGION 774..800
FT /note="Disordered"
FT /evidence="ECO:0000256|SAM:MobiDB-lite"
FT ACT_SITE 680
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01973,
FT ECO:0000256|PIRSR:PIRSR001174-1"
FT ACT_SITE 723
FT /evidence="ECO:0000256|HAMAP-Rule:MF_01973,
FT ECO:0000256|PIRSR:PIRSR001174-1"
FT BINDING 357..364
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 800 AA; 88861 MW; 536A27BF392F7647 CRC64;
MEDLTERTAP VLPLRDVVVF PHMAIPLFVG REKSIKALTA AMQDDKRILL VAQRTADTDQ
PRAEDLYSVG TLASILQMLK LPDGTVKVLV EGVRRARITR FDFDGAFLSA ECQQLPDDKL
SVTDDKEVDA ATRSILTQFE SYAKLNKKIP AELLPSLASM DAPGRLADTI AAHLNLKLED
KQEVLEIDDP KARLEHVMRQ LESEIDVLQI EKKIRTRVKQ QMEKNQREYY LNEQMKAIQK
ELGENEDGPS EQEELASKIE KSGMHKEAKA KAVAELNKLK MMPPMSAEAT VVRNYLDVLT
QVPWKKRTKS VIDLDLAQTK LDEDHYGLEK VKERIVEYLA VQARIKKLKG PILCLVGPPG
VGKTSLGRSI ADAVNRKFVR MSLGGVRDEA EIRGHRRTYI GSMPGKIIQN MSKVGVKNPM
FLLDEIDKMA MDFRGDPSAA LLEVLDPEQN STFQDHYLEV EYDLSDVMFI ATANTLNIPG
PLLDRMEVIR LPGYTEDEKL AIAKQYLLPK QMKNNGVKDG ELSVSDEALR ETIRLYTREA
GVRSLERLIS KICRKVVKQL LTGKDVKRVE VTPQNLDKYL GVPQFRYGRA EERNQVGQVT
GLAWTEVGGE LLTIEAALAP GKGKMTQTGS LGNVMQESIQ AALTVVRARS KKLGIDPKFY
ENSDIHVHVP EGATPKDGPS AGIAMCTALV SALTEIPVRA DVAMTGEITL RGEVLPIGGL
KEKMLAAQRG GIKTVIIPQE NVKDLADIPE TVKSTLNIEP VRWVDDVLRI ALERQPEPRP
EPEPAAVAAE DSAKEAARAH
//
