7.4.2.4: chloroplast protein-transporting ATPase

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For detailed information about chloroplast protein-transporting ATPase, go to the full flat file.

Reaction

Synonyms

AtcpSecA, ATP synthase complex, cpSecA, EC 3.6.3.52, hsp93, Hsp93-III, Hsp93-V, RbcS TP, Rubisco small subunit transit peptide, SEC translocase/integrase, Sec-type system, Sec1, SEC2, SEC2 translocase, SecA, SecA protein

ECTree

     7 Translocases

         7.4 Catalysing the translocation of amino acids and peptides

             7.4.2 Linked to the hydrolysis of a nucleoside triphosphate

                7.4.2.4 chloroplast protein-transporting ATPase

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Results	in table
6	Activating Compound
2059	AA Sequence
1	CAS Registry Number
4	Cloned(Commentary)
1	Expression
15	General Information
7	Inhibitors
21	Localization
3	Metals/Ions
9	Molecular Weight [Da]
10	Natural Substrates/ Products (Substrates)
27	Organism
2	Posttranslational Modification
8	Protein Variants
2	Reaction
2	Reaction Type
27	Reference
11	Source Tissue
28	Substrates and Products (Substrate)
8	Subunits
22	Synonyms
1	Systematic Name

Engineering

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Engineering on EC 7.4.2.4 - chloroplast protein-transporting ATPase

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PROTEIN VARIANTS

ORGANISM

UNIPROT

COMMENTARY

LITERATURE

agy1

Arabidopsis thaliana

-

a loss-of-function mutant of cpSecA, an albino or glassy yellow mutant, identified when screening a T-DNA insertion mutant collection. The mutant can grow normally on dim light with an exogenous carbon supply, but is subject to photo-oxidative stress in the light. Chloroplast biogenesis is clearly comprised in the mutant, and the transcription of both nucleus- and chloroplast-encoded photosynthetic proteins is repressed, whereas the transcription of mitochondrion-encoded respiratory complexes is induced

712609

C199A/C205A

Spinacia oleracea

-

ratio of MgATPase activity in reduced/oxidized state is 0.79, compared to 1.7 in wild-type

718989

C89A

Spinacia oleracea

-

ratio of MgATPase activity in reduced/oxidized state is 1.39, compared to 1.7 in wild-type

718989

M231L

Spinacia oleracea

-

ratio of MgATPase activity in reduced/oxidized state is 1.0, compared to 1.7 in wild-type

718989

M23L/M279L/M282L

Spinacia oleracea

-

ratio of MgATPase activity in reduced/oxidized state is 0.99, compared to 1.7 in wild-type

718989

M23L/M279L/M282L/C89A

Spinacia oleracea

-

ratio of MgATPase activity in reduced/oxidized state is 1.08, compared to 1.7 in wild-type

718989

M279L/M282L

Spinacia oleracea

-

ratio of MgATPase activity in reduced/oxidized state is 0.96, compared to 1.7 in wild-type

718989

additional information

Arabidopsis thaliana

-

gene disruption mutants of homologs atHSP93-V, atHSP93-III, mutant plants are much smaller and paler than wild-type plants, mutant chloroplasts contain less thylakoid membrane but are still able to import a variety of precursor proteins at reduced rate

657071