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P0AAI3 (FTSH_ECOLI) Reviewed, UniProtKB/Swiss-Prot

Last modified January 25, 2012. Version 63. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (4) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
ATP-dependent zinc metalloprotease FtsH

EC=3.4.24.-
Alternative name(s):
Cell division protease FtsH
Gene names
Name:ftsH
Synonyms:hflB, mrsC, std, tolZ
Ordered Locus Names:b3178, JW3145
OrganismEscherichia coli (strain K12)
Taxonomic identifier83333 [NCBI]
Taxonomic lineageBacteriaProteobacteriaGammaproteobacteriaEnterobacterialesEnterobacteriaceaeEscherichia

Protein attributes

Sequence length644 AA.
Sequence statusComplete.
Protein existenceEvidence at protein level

General annotation (Comments)

Function

Acts as a processive, ATP-dependent zinc metallopeptidase for both cytoplasmic and membrane proteins. Plays a role in the quality control of integral membrane proteins. Degrades a few membrane proteins that have not been assembled into complexes such as SecY, F0 ATPase subunit a and YccA, and also cytoplasmic proteins sigma-32, LpxC, KdtA and phage lambda cII protein among others. Degrades membrane proteins in a processive manner starting at either the N- or C-terminus; recognition requires a cytoplasmic tail of about 20 residues with no apparent sequence requirements. It presumably dislocates membrane-spanning and periplasmic segments of the protein into the cytoplasm to degrade them, this probably requires ATP. Degrades C-terminal-tagged cytoplasmic proteins which are tagged with an 11-amino-acid nonpolar destabilizing tail via a mechanism involving the 10SA (SsrA) stable RNA. Ref.9 Ref.10 Ref.17 Ref.25

As FtsH regulates the levels of both LpxC and KdtA it is required for synthesis of both the protein and lipid components of lipopolysaccharide (LPS). Ref.9 Ref.10 Ref.17 Ref.25

Cofactor

Binds 1 zinc ion per subunit.

Requires ATP for protease catalytic activity, probably due to tight coupling of the 2 activities; ADP or non-hydrolyzable analogs cannot substitute, except when unfolded, non-physiological substrates are tested.

Enzyme regulation

Activity against phage lambda cII protein is inhibited by EDTA but not by PMSF. In vitro pre-incubation of FtsH with HflKC abolishes its activity against phage lambda cII protein; Cytoplasmic side. Ref.12

Subunit structure

The E.coli AAA domain has been modeled as a homohexamer, in Thermus thermophilus the same domain crystallizes as a homohexamer. Forms a complex with HflKC (formerly called HflA); complex formation is stimulated by ATP. Interacts with YccA, and probably weakly with QmcA. Can be cross-linked to YidC (OxaA) and to a nascent polypeptide chain for an integral membrane protein. Ref.11 Ref.12 Ref.14 Ref.23 Ref.24

Subcellular location

Cell inner membrane; Multi-pass membrane protein Ref.5 Ref.11 Ref.22.

Disruption phenotype

Lethality, due to increased levels of LpxC, which increases the level of LPS in the cell and results in formation of abnormal membrane structures in the periplasm. Lethality is suppressed under conditions in which LPS synthesis is reduced. Ref.17

Miscellaneous

The ftsH gene was discovered independently through 3 different phenotypes and received 3 different names: ftsH, for filamentous temperature-sensitive; tolZ, for colicin tolerance, and hlfB, because mutants show a high frequency of lysogenization when infected with phage lambda (Ref.29). HAMAP MF_01458

Sequence similarities

In the central section; belongs to the AAA ATPase family.

In the C-terminal section; belongs to the peptidase M41 family.

Caution

Glu-476 was identified as the third Zn ligand (Ref.19), however in other crystal structures (Aquifex aeolicus and Thermotoga maritima) the conserved equivalent residue does not bind Zn. Instead it makes a hydrogen bond with the side chain of the first catalytic Zn-binding residue and indirectly stabilizes the Zn.

Sequence caution

The sequence AAA97508.1 differs from that shown. Reason: Erroneous initiation. Translation N-terminally shortened.

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Chain1 – 644644ATP-dependent zinc metalloprotease FtsH HAMAP MF_01458
PRO_0000084631

Regions

Topological domain1 – 44Cytoplasmic Probable
Transmembrane5 – 2521Helical; Probable
Topological domain26 – 9873Periplasmic Probable
Transmembrane99 – 11921Helical; Probable
Topological domain120 – 644525Cytoplasmic Probable
Nucleotide binding192 – 1998ATP Potential

Sites

Active site4151 Probable
Metal binding4141Zinc; catalytic Probable
Metal binding4181Zinc; catalytic Probable
Metal binding4921Zinc; catalytic By similarity
Site2251Substrate binding Probable

Experimental info

Mutagenesis2011L → N: No in vivo protease activity, no in vitro ATPase activity. Ref.16
Mutagenesis2251F → A, D, E, G, N, Q, R, S or T: Does not complement ftsH1 at 42 degrees Celsius, no protease activity in vivo. Ref.21
Mutagenesis2251F → C or H: Partially complements ftsH1 at 42 degrees Celsius, some protease activity in vivo. Ref.21
Mutagenesis2251F → I, L, M, V, W or Y: Complements ftsH1 at 42 degrees Celsius, restores protease activity in vivo. Ref.21
Mutagenesis2271G → A: Does not complement ftsH1 at 42 degrees Celsius, no protease activity in vivo. Ref.21
Mutagenesis2971T → A: Low protease activity in vivo, low ATPase activity in vitro, complements ftsH1 at 42 degrees Celsius. Ref.16
Mutagenesis2981N → A: No in vivo protease activity. Ref.16
Mutagenesis3041D → A or N: No in vivo protease activity, no in vitro ATPase activity; probably still binds ATP. Ref.16
Mutagenesis3041D → E: Low protease activity in vivo, low ATPase activity in vitro, complements ftsH1 at 42 degrees Celsius. Ref.16
Mutagenesis3071L → A: Low protease activity in vivo. Ref.16
Mutagenesis3091R → A, L or K: No in vivo protease activity, no ATPase activity in vitro; probably still binds ATP. Ref.16
Mutagenesis3121R → A, L or K: No in vivo protease activity, no ATPase activity in vitro; probably still binds ATP. Ref.16
Mutagenesis414 – 4185HEAGH → KEAGK: Loss of protease function. Ref.16 Ref.19
Mutagenesis4141H → Y: Loss of protease function. Ref.19
Mutagenesis4151E → Q: Loss of protease activity in vivo. Ref.16
Mutagenesis4181H → Y in tolZ21; loss of protease function in vivo, retains about 25% ATPase activity, temperature sensitive. Ref.16 Ref.19
Mutagenesis4631E → K in ftsH1; a temperature-sensitive mutant which increases the frequency of lysogenization of phage lambda; when associated with A-587. Ref.1
Mutagenesis4761E → D, K or V: Severe loss of protease function that is restored by excess Zn. Ref.19
Mutagenesis4761E → Q: Little effect on protease function. Ref.19
Mutagenesis5361H → R in hflB29; increases the frequency of lysogenization of phage lambda. Ref.1
Mutagenesis5821E → D, K or Q: No effect on protease function. Ref.19
Mutagenesis5821E → V: Decreased protease function. Ref.19

Secondary structure

............................................. 644
Helix Strand Turn

Details...

Sequences

Sequence LengthMass (Da)Tools
P0AAI3 [UniParc].

Last modified October 11, 2005. Version 1.
Checksum: E24A753D8F486CA1

FASTA64470,708
        10         20         30         40         50         60 
MAKNLILWLV IAVVLMSVFQ SFGPSESNGR KVDYSTFLQE VNNDQVREAR INGREINVTK 

        70         80         90        100        110        120 
KDSNRYTTYI PVQDPKLLDN LLTKNVKVVG EPPEEPSLLA SIFISWFPML LLIGVWIFFM 

       130        140        150        160        170        180 
RQMQGGGGKG AMSFGKSKAR MLTEDQIKTT FADVAGCDEA KEEVAELVEY LREPSRFQKL 

       190        200        210        220        230        240 
GGKIPKGVLM VGPPGTGKTL LAKAIAGEAK VPFFTISGSD FVEMFVGVGA SRVRDMFEQA 

       250        260        270        280        290        300 
KKAAPCIIFI DEIDAVGRQR GAGLGGGHDE REQTLNQMLV EMDGFEGNEG IIVIAATNRP 

       310        320        330        340        350        360 
DVLDPALLRP GRFDRQVVVG LPDVRGREQI LKVHMRRVPL APDIDAAIIA RGTPGFSGAD 

       370        380        390        400        410        420 
LANLVNEAAL FAARGNKRVV SMVEFEKAKD KIMMGAERRS MVMTEAQKES TAYHEAGHAI 

       430        440        450        460        470        480 
IGRLVPEHDP VHKVTIIPRG RALGVTFFLP EGDAISASRQ KLESQISTLY GGRLAEEIIY 

       490        500        510        520        530        540 
GPEHVSTGAS NDIKVATNLA RNMVTQWGFS EKLGPLLYAE EEGEVFLGRS VAKAKHMSDE 

       550        560        570        580        590        600 
TARIIDQEVK ALIERNYNRA RQLLTDNMDI LHAMKDALMK YETIDAPQID DLMARRDVRP 

       610        620        630        640 
PAGWEEPGAS NNSGDNGSPK APRPVDEPRT PNPGNTMSEQ LGDK 

« Hide

References

« Hide 'large scale' references
[1]"The Escherichia coli FtsH protein is a prokaryotic member of a protein family of putative ATPases involved in membrane functions, cell cycle control, and gene expression."
Tomoyasu T., Yuki T., Morimura S., Mori H., Yamanaka K., Niki H., Hiraga S., Ogura T.
J. Bacteriol. 175:1344-1351(1993) [PubMed: 8444796] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA], MUTAGENESIS OF GLU-463 AND HIS-536.
Strain: K12 / W3110 / ATCC 27325 / DSM 5911.
[2]"Identification and physical analysis of new genes in the argG region (69 min) of Escherichia coli chromosome."
Wang R., Kushner S.R.
Submitted (SEP-1993) to the EMBL/GenBank/DDBJ databases
Cited for: NUCLEOTIDE SEQUENCE [GENOMIC DNA].
Strain: K12.
[3]"The complete genome sequence of Escherichia coli K-12."
Blattner F.R., Plunkett G. III, Bloch C.A., Perna N.T., Burland V., Riley M., Collado-Vides J., Glasner J.D., Rode C.K., Mayhew G.F., Gregor J., Davis N.W., Kirkpatrick H.A., Goeden M.A., Rose D.J., Mau B., Shao Y.
Science 277:1453-1474(1997) [PubMed: 9278503] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: K12 / MG1655 / ATCC 47076.
[4]"Highly accurate genome sequences of Escherichia coli K-12 strains MG1655 and W3110."
Hayashi K., Morooka N., Yamamoto Y., Fujita K., Isono K., Choi S., Ohtsubo E., Baba T., Wanner B.L., Mori H., Horiuchi T.
Mol. Syst. Biol. 2:E1-E5(2006) [PubMed: 16738553] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [LARGE SCALE GENOMIC DNA].
Strain: K12 / W3110 / ATCC 27325 / DSM 5911.
[5]"Topology and subcellular localization of FtsH protein in Escherichia coli."
Tomoyasu T., Yamanaka K., Murata K., Suzaki T., Bouloc P., Kato A., Niki H., Hiraga S., Ogura T.
J. Bacteriol. 175:1352-1357(1993) [PubMed: 8444797] [Abstract]
Cited for: SUBCELLULAR LOCATION, TOPOLOGY.
Strain: K12 / W3110 / ATCC 27325 / DSM 5911.
[6]"Structure and function of the ftsH gene in Escherichia coli."
Ogura T., Tomoyasu T., Yuki T., Morimura S., Begg K.J., Donachie W.D., Mori H., Niki H., Hiraga S.
Res. Microbiol. 142:279-282(1991) [PubMed: 1925026] [Abstract]
Cited for: DISCUSSION OF SEQUENCE.
[7]"Cell growth and lambda phage development controlled by the same essential Escherichia coli gene, ftsH/hflB."
Herman C., Ogura T., Tomoyasu T., Hiraga S., Akiyama Y., Ito K., Thomas R., D'Ari R., Bouloc P.
Proc. Natl. Acad. Sci. U.S.A. 90:10861-10865(1993) [PubMed: 8248182] [Abstract]
Cited for: IDENTIFICATION OF HFLB AS FTSH.
[8]"Involvement of FtsH in protein assembly into and through the membrane. II. Dominant mutations affecting FtsH functions."
Akiyama Y., Shirai Y., Ito K.
J. Biol. Chem. 269:5225-5229(1994) [PubMed: 8106505] [Abstract]
Cited for: CHARACTERIZATION.
[9]"Escherichia coli FtsH is a membrane-bound, ATP-dependent protease which degrades the heat-shock transcription factor sigma 32."
Tomoyasu T., Gamer J., Bukau B., Kanemori M., Mori H., Rutman A.J., Oppenheim A.B., Yura T., Yamanaka K., Niki H., Hiraga S., Ogura T.
EMBO J. 14:2551-2560(1995) [PubMed: 7781608] [Abstract]
Cited for: FUNCTION, SIGMA-32 AS SUBSTRATE.
[10]"FtsH is required for proteolytic elimination of uncomplexed forms of SecY, an essential protein translocase subunit."
Kihara A., Akiyama Y., Ito K.
Proc. Natl. Acad. Sci. U.S.A. 92:4532-4536(1995) [PubMed: 7753838] [Abstract]
Cited for: FUNCTION, SECY AS SUBSTRATE.
[11]"A protease complex in the Escherichia coli plasma membrane: HflKC (HflA) forms a complex with FtsH (HflB), regulating its proteolytic activity against SecY."
Kihara A., Akiyama Y., Ito K.
EMBO J. 15:6122-6131(1996) [PubMed: 8947034] [Abstract]
Cited for: INTERACTION WITH HFLC AND HFLK, SUBCELLULAR LOCATION.
Strain: K12 / CSH26 / AD16.
[12]"Host regulation of lysogenic decision in bacteriophage lambda: transmembrane modulation of FtsH (HflB), the cII degrading protease, by HflKC (HflA)."
Kihara A., Akiyama Y., Ito K.
Proc. Natl. Acad. Sci. U.S.A. 94:5544-5549(1997) [PubMed: 9159109] [Abstract]
Cited for: ENZYME REGULATION, INTERACTION WITH HFLKC.
Strain: K12 / CSH26 / AD16.
[13]"Degradation of carboxy-terminal-tagged cytoplasmic proteins by the Escherichia coli protease HflB (FtsH)."
Herman C., Thevenet D., Bouloc P., Walker G.C., D'Ari R.
Genes Dev. 12:1348-1355(1998) [PubMed: 9573051] [Abstract]
Cited for: CHARACTERIZATION.
[14]"Different pathways for protein degradation by the FtsH/HflKC membrane-embedded protease complex: an implication from the interference by a mutant form of a new substrate protein, YccA."
Kihara A., Akiyama Y., Ito K.
J. Mol. Biol. 279:175-188(1998) [PubMed: 9636708] [Abstract]
Cited for: MEMBRANE SUBSTRATES, INTERACTION WITH YCCA.
Strain: K12 / CSH26 / AD16.
[15]"Dislocation of membrane proteins in FtsH-mediated proteolysis."
Kihara A., Akiyama Y., Ito K.
EMBO J. 18:2970-2981(1999) [PubMed: 10357810] [Abstract]
Cited for: MECHANISM OF MEMBRANE SUBSTRATE RECOGNITION.
Strain: K12 / CSH26 / AD16.
[16]"Dissecting the role of a conserved motif (the second region of homology) in the AAA family of ATPases. Site-directed mutagenesis of the ATP-dependent protease FtsH."
Karata K., Inagawa T., Wilkinson A.J., Tatsuta T., Ogura T.
J. Biol. Chem. 274:26225-26232(1999) [PubMed: 10473576] [Abstract]
Cited for: MUTAGENESIS OF LYS-201; THR-297; ASN-298; ASP-304; LEU-307; ARG-309; ARG-312; GLN-415 AND HIS-418.
[17]"Balanced biosynthesis of major membrane components through regulated degradation of the committed enzyme of lipid A biosynthesis by the AAA protease FtsH (HflB) in Escherichia coli."
Ogura T., Inoue K., Tatsuta T., Suzaki T., Karata K., Young K., Su L.H., Fierke C.A., Jackman J.E., Raetz C.R., Coleman J., Tomoyasu T., Matsuzawa H.
Mol. Microbiol. 31:833-844(1999) [PubMed: 10048027] [Abstract]
Cited for: LPXC AS SUBSTRATE, FUNCTION IN REGULATING LIPOPOLYSACCHARIDE SYNTHESIS, DISRUPTION PHENOTYPE.
Strain: K12 / W3110 and W2252.
[18]"Length recognition at the N-terminal tail for the initiation of FtsH-mediated proteolysis."
Chiba S., Akiyama Y., Mori H., Matsuo E., Ito K.
EMBO Rep. 1:47-52(2000) [PubMed: 11256624] [Abstract]
Cited for: RECOGNITION OF MEMBRANE SUBSTRATE FROM N-TERMINUS.
[19]"Identification of glutamic acid 479 as the gluzincin coordinator of zinc in FtsH (HflB)."
Saikawa N., Ito K., Akiyama Y.
Biochemistry 41:1861-1868(2002) [PubMed: 11827531] [Abstract]
Cited for: ZINC-BINDING, MUTAGENESIS OF HIS-414; HIS-418; GLU-476 AND GLU-582.
Strain: K12.
[20]"Membrane protein degradation by FtsH can be initiated from either end."
Chiba S., Akiyama Y., Ito K.
J. Bacteriol. 184:4775-4782(2002) [PubMed: 12169602] [Abstract]
Cited for: RECOGNITION OF MEMBRANE SUBSTRATE FROM C-TERMINUS.
Strain: K12 / JM103.
[21]"Conserved pore residues in the AAA protease FtsH are important for proteolysis and its coupling to ATP hydrolysis."
Yamada-Inagawa T., Okuno T., Karata K., Yamanaka K., Ogura T.
J. Biol. Chem. 278:50182-50187(2003) [PubMed: 14514680] [Abstract]
Cited for: REQUIREMENT FOR ATP, MUTAGENESIS OF PHE-225 AND GLY-227.
[22]"Global topology analysis of the Escherichia coli inner membrane proteome."
Daley D.O., Rapp M., Granseth E., Melen K., Drew D., von Heijne G.
Science 308:1321-1323(2005) [PubMed: 15919996] [Abstract]
Cited for: SUBCELLULAR LOCATION.
Strain: K12 / MG1655 / ATCC 47076.
[23]"The Escherichia coli plasma membrane contains two PHB (prohibitin homology) domain protein complexes of opposite orientations."
Chiba S., Ito K., Akiyama Y.
Mol. Microbiol. 60:448-457(2006) [PubMed: 16573693] [Abstract]
Cited for: POSSIBLE INTERACTION WITH QMCA.
Strain: K12.
[24]"Detection of cross-links between FtsH, YidC, HflK/C suggests a linked role for these proteins in quality control upon insertion of bacterial inner membrane proteins."
van Bloois E., Dekker H.L., Froderberg L., Houben E.N., Urbanus M.L., de Koster C.G., de Gier J.W., Luirink J.
FEBS Lett. 582:1419-1424(2008) [PubMed: 18387365] [Abstract]
Cited for: INTERACTION WITH YIDC (OXAA).
[25]"Dual role of FtsH in regulating lipopolysaccharide biosynthesis in Escherichia coli."
Katz C., Ron E.Z.
J. Bacteriol. 190:7117-7122(2008) [PubMed: 18776015] [Abstract]
Cited for: KDO TRANSFERASE (KDTA) AS SUBSTRATE, FUNCTION IN REGULATING LIPOPOLYSACCHARIDE BIOSYNTHESIS.
Strain: K12 / MG1655 / ATCC 47076.
[26]"Crystallization of the AAA domain of the ATP-dependent protease FtsH of Escherichia coli."
Krzywda S., Brzozowski A.M., Karata K., Ogura T., Wilkinson A.J.
Acta Crystallogr. D 582:1066-1067(2002) [PubMed: 12037319] [Abstract]
Cited for: PRELIMINARY CRYSTALLIZATION.
[27]"The crystal structure of the AAA domain of the ATP-dependent protease FtsH of Escherichia coli at 1.5 A resolution."
Krzywda S., Brzozowski A.M., Verma C., Karata K., Ogura T., Wilkinson A.J.
Structure 10:1073-1083(2002) [PubMed: 12176385] [Abstract]
Cited for: X-RAY CRYSTALLOGRAPHY (1.5 ANGSTROMS) OF 141-395.
[28]"Quality control of cytoplasmic membrane proteins in Escherichia coli."
Akiyama Y.
J. Biochem. 146:449-454(2009) [PubMed: 19454621] [Abstract]
Cited for: REVIEW.
[29]"Degradation of cytoplasmic substrates by FtsH, a membrane-anchored protease with many talents."
Narberhaus F., Obrist M., Fuhrer F., Langklotz S.
Res. Microbiol. 160:652-659(2009) [PubMed: 19744556] [Abstract]
Cited for: REVIEW.
+Additional computationally mapped references.

Cross-references

Sequence databases

EMBL
GenBank
DDBJ
M83138 Genomic DNA. Translation: AAA23813.1.
U01376 Genomic DNA. Translation: AAA97508.1. Different initiation.
U18997 Genomic DNA. Translation: AAA57979.1.
U00096 Genomic DNA. Translation: AAC76210.1.
AP009048 Genomic DNA. Translation: BAE77222.1.
PIRS35109.
RefSeqNP_417645.1. NC_000913.2.

3D structure databases

PDBe
RCSB PDB
PDBj
EntryMethodResolution (Å)ChainPositionsPDBsum
1LV7X-ray1.50A141-395[»]
ProteinModelPortalP0AAI3.
SMRP0AAI3. Positions 139-602.
ModBaseSearch...

Protein-protein interaction databases

DIPDIP-35828N.
IntActP0AAI3. 26 interactions.
MINTMINT-1226643.

Protein family/group databases

MEROPSM41.001.

Proteomic databases

PRIDEP0AAI3.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Genome annotation databases

EnsemblBacteriaEBESCT00000000369; EBESCP00000000369; EBESCG00000195129.
EBESCT00000000370; EBESCP00000000370; EBESCG00000195129.
EBESCT00000017485; EBESCP00000016776; EBESCG00000016541.
GeneID947690.
GenomeReviewsGene locus JW3145 in contig AP009048_GR.
Gene locus b3178 in contig U00096_GR.
KEGGecj:JW3145.
eco:b3178.
PATRIC32121774. VBIEscCol129921_3271.

Organism-specific databases

EchoBASEEB1469.
EcoGeneEG11506. ftsH.

Phylogenomic databases

eggNOGCOG0465.
GeneTreeEBGT00050000009542.
HOGENOMHBG724153.
OMATYIPVND.
PhylomeDBP0AAI3.
ProtClustDBPRK10733.

Enzyme and pathway databases

BioCycEcoCyc:EG11506-MONOMER.
MetaCyc:EG11506-MONOMER.

Gene expression databases

GenevestigatorP0AAI3.

Family and domain databases

HAMAPMF_01458. FtsH.
[Tree]
InterProIPR003593. ATPase_AAA+_core.
IPR003959. ATPase_AAA_core.
IPR003960. ATPase_AAA_CS.
IPR005936. Pept_M41_FtsH.
IPR011546. Pept_M41_FtsH_extracell.
IPR000642. Peptidase_M41.
[Graphical view]
KOK03798.
PfamPF00004. AAA. 1 hit.
PF06480. FtsH_ext. 1 hit.
PF01434. Peptidase_M41. 1 hit.
[Graphical view]
SMARTSM00382. AAA. 1 hit.
[Graphical view]
TIGRFAMsTIGR01241. FtsH_fam. 1 hit.
PROSITEPS00674. AAA. 1 hit.
[Graphical view]
ProtoNetSearch...

Entry information

Entry nameFTSH_ECOLI
AccessionPrimary (citable) accession number: P0AAI3
Secondary accession number(s): P28691, Q2M934
Entry history
Integrated into UniProtKB/Swiss-Prot: October 11, 2005
Last sequence update: October 11, 2005
Last modified: January 25, 2012
This is version 63 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Relevant documents

Peptidase families

Classification of peptidase families and list of entries

Escherichia coli

Escherichia coli (strain K12): entries and cross-references to EcoGene

PDB cross-references

Index of Protein Data Bank (PDB) cross-references

SIMILARITY comments

Index of protein domains and families