Definition Prochlorococcus marinus str. MIT 9312, complete genome.
Accession NC_007577
Length 1,709,204

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The map label for this gene is psaB

Identifier: 78779999

GI number: 78779999

Start: 1512374

End: 1514602

Strand: Reverse

Name: psaB

Synonym: PMT9312_1615

Alternate gene names: 78779999

Gene position: 1514602-1512374 (Counterclockwise)

Preceding gene: 78780000

Following gene: 78779998

Centisome position: 88.61

GC content: 39.26

Gene sequence:

>2229_bases
ATGGCAACAAAATTTCCATCATTTAACCAGGGTCTAGCTCAGGACCCGACAACCCGCCGAATATGGTACGGAATAGCAAC
CGCTCATGACTTTGAGAGTCATGATGGAATGACTGAAGAAAAGCTTTATCAGAAGCTTTTCTCTACCCATTTTGGTCATC
TAGCAATTATCGCCCTTTGGGTAGCTGGTAACCTATTCCATGTAGCTTGGCAGGGTAACTTTGAGCAATTTGTACTTGAT
CCAACTCATGTCCGTCCAATTGCCCATGCAATTTGGGATCCTCATTTTGGAGAAGGCATAACAGAAGCAATGACTCAAGC
TGGAGCTAATGGTCCAGTTAACATAGCTTACTCAGGCCTTTACCATTGGTGGTACACAATCGGTATGAGAACTAACGAGC
AACTTTTTCAGGCTTCAATCTTTATGAGCATTTTAGCTTGTTGGGTTTTATTTGCTGGTTGGTTACATTTACAGCCTAAA
TTCAGACCTACACTAGCTTGGTTTAAAAATGCTGAGGCACAGTTAAATCATCATTTATCTGTCTTATTTGGTTTCAGTAG
TATTGCTTGGACAGGACATTTGGTTCATGTAGCAATTCCAGAATCTAGAGGTCAGCATGTTGGTTGGGACAATTGGTTAA
CAGTTCTTCCTCATCCTGCAGGATTAGCTCCTTTCTTTACTCTAAATTGGGGTGCTTATGCACAAAATCCTGATTCTTTA
GATCAAGTATTCGGAACTGCAGAGGGTGCTGGAACAGCAATCTTTACGTTCTTAGGAGGACTACATCCTCAAAGTGAAGC
TTTATGGCTTACTGATATTGCACATCATCATATTGCAATTGGTTGTGTTTTTGTAATTGCTGGCCATATGTATAGAAATA
CTTTTGGCATAGGACACAGCCTCAAAGAAATTACTGAAGCTCATAACACTAGACATCCAAATGACCCTCATAAAGGTAGT
TTCGGAATTAGTCATGATGGAATTTATGAGACGGTTAACAACTCTCTACACTTTCAATTAGGTTTAGCTTTAGCATCTCT
TGGTGTTGCTACTTCTCTAGTTGCTCAACATATGGGAGCTCTTCCTTCTTATGCTTTTATTGCTAGAGATTACACTACAC
AGTCAGCTCTATATACTCACCATCAATACATAGCTATGTTCTTAATGGTGGGAGCTTTTGCTCATGGGGCTATTTTCTTT
GTACGTGATTATGATCCAGAAGTAAACAAAGATAATGTTTTAGCTAGAGTCTTAGGAACCAAAGAAGCACTAATAAGTCA
CTTAAGTTGGGTAACAATGTTACTGGGATTCCATACTCTTGGAATTTATGTTCATAACGATGTAGTAGTAGCTTTTGGAA
ATCCAGAAAAACAAATTCTAATTGAACCTGTATTTGCTCAGTTTGTTCAAGCTGCCCAAGGGAAAATGATGTATGGCTTC
GATGCTTTATTATCTGATCCTACGAGTTCTGCAACTATAGCAGCAAACTCTATGCCAGGAAATCACTATTGGATGGATCT
AATTAATAGACAAGATGCTCTAAGCTCTTTCTTGCCTATTGGACCAGCAGATTTCTTAGTTCATCATGCTATAGCGCTAG
GACTTCATACAACAGCACTAATCCTTATTAAAGGAGCATTAGATGCTAGAGGTACAAAATTAATTCCTGATAAAAAGGAT
TTAGGTTATGCTTTCCCTTGCGATGGACCAGGTCGTGGAGGAACTTGTGATAGTTCTTCATGGGATGCTATGTACCTTGC
AATGTTCTGGGCATTAAATCTTATTGCATGGGTAACTTTCTACTGGCACTGGAAGCACCTAACAATTTGGCAAGGTAATA
TGGCTCAATTTAATGAATCAGGTACCTACTTAATGGGTTGGTTTAGAGATTATCTATGGCTCAATTCATCACAGTTAATT
AATGGATATAATCCATTTGGTGTTAACTCCTTATCTCCTTGGGCTTGGATGTTCCTATTTGGTCATTTAGTTTGGGCTAC
TGGATTTATGTTCCTGATTTCATGGCGTGGTTATTGGCAAGAATTAATAGAAACATTAGTTTGGGCACATCAGCGCACAC
CAATAGCTAACCTTGTAGGCTGGAGAGATAAGCCAGTTGCACTTTCAATTGTTCAAGCTAGATTAGTTGGTTTGGCACAT
TTCACGATAGGAAACATCCTTACATTTGGAGCCTTTGTGATTGCATCAACATCAGGTAAGTTCGGTTAA

Upstream 100 bases:

>100_bases
AGCTCACTTCCTTCTCGGAGGTATAGCAACTACTTGGGCTTTCTTCCATGCTCGCCTTTTCGGGCTGGGCTAATTACCTG
AACTTCACCTTTTTAATTCA

Downstream 100 bases:

>100_bases
AGTCTTCTTAAATAATACAAATCACCACGAATGTGGTGATTTTTTTTGTTTAATTTTATTCTTCTAAATTAAGTTAAAAT
TATAGGATTATTATCTAAAT

Product: photosystem I P700 chlorophyll a apoprotein A2

Products: NA

Alternate protein names: PsaB [H]

Number of amino acids: Translated: 742; Mature: 741

Protein sequence:

>742_residues
MATKFPSFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALWVAGNLFHVAWQGNFEQFVLD
PTHVRPIAHAIWDPHFGEGITEAMTQAGANGPVNIAYSGLYHWWYTIGMRTNEQLFQASIFMSILACWVLFAGWLHLQPK
FRPTLAWFKNAEAQLNHHLSVLFGFSSIAWTGHLVHVAIPESRGQHVGWDNWLTVLPHPAGLAPFFTLNWGAYAQNPDSL
DQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGCVFVIAGHMYRNTFGIGHSLKEITEAHNTRHPNDPHKGS
FGISHDGIYETVNNSLHFQLGLALASLGVATSLVAQHMGALPSYAFIARDYTTQSALYTHHQYIAMFLMVGAFAHGAIFF
VRDYDPEVNKDNVLARVLGTKEALISHLSWVTMLLGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
DALLSDPTSSATIAANSMPGNHYWMDLINRQDALSSFLPIGPADFLVHHAIALGLHTTALILIKGALDARGTKLIPDKKD
LGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLIAWVTFYWHWKHLTIWQGNMAQFNESGTYLMGWFRDYLWLNSSQLI
NGYNPFGVNSLSPWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAH
FTIGNILTFGAFVIASTSGKFG

Sequences:

>Translated_742_residues
MATKFPSFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALWVAGNLFHVAWQGNFEQFVLD
PTHVRPIAHAIWDPHFGEGITEAMTQAGANGPVNIAYSGLYHWWYTIGMRTNEQLFQASIFMSILACWVLFAGWLHLQPK
FRPTLAWFKNAEAQLNHHLSVLFGFSSIAWTGHLVHVAIPESRGQHVGWDNWLTVLPHPAGLAPFFTLNWGAYAQNPDSL
DQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGCVFVIAGHMYRNTFGIGHSLKEITEAHNTRHPNDPHKGS
FGISHDGIYETVNNSLHFQLGLALASLGVATSLVAQHMGALPSYAFIARDYTTQSALYTHHQYIAMFLMVGAFAHGAIFF
VRDYDPEVNKDNVLARVLGTKEALISHLSWVTMLLGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
DALLSDPTSSATIAANSMPGNHYWMDLINRQDALSSFLPIGPADFLVHHAIALGLHTTALILIKGALDARGTKLIPDKKD
LGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLIAWVTFYWHWKHLTIWQGNMAQFNESGTYLMGWFRDYLWLNSSQLI
NGYNPFGVNSLSPWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAH
FTIGNILTFGAFVIASTSGKFG
>Mature_741_residues
ATKFPSFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALWVAGNLFHVAWQGNFEQFVLDP
THVRPIAHAIWDPHFGEGITEAMTQAGANGPVNIAYSGLYHWWYTIGMRTNEQLFQASIFMSILACWVLFAGWLHLQPKF
RPTLAWFKNAEAQLNHHLSVLFGFSSIAWTGHLVHVAIPESRGQHVGWDNWLTVLPHPAGLAPFFTLNWGAYAQNPDSLD
QVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGCVFVIAGHMYRNTFGIGHSLKEITEAHNTRHPNDPHKGSF
GISHDGIYETVNNSLHFQLGLALASLGVATSLVAQHMGALPSYAFIARDYTTQSALYTHHQYIAMFLMVGAFAHGAIFFV
RDYDPEVNKDNVLARVLGTKEALISHLSWVTMLLGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGFD
ALLSDPTSSATIAANSMPGNHYWMDLINRQDALSSFLPIGPADFLVHHAIALGLHTTALILIKGALDARGTKLIPDKKDL
GYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLIAWVTFYWHWKHLTIWQGNMAQFNESGTYLMGWFRDYLWLNSSQLIN
GYNPFGVNSLSPWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAHF
TIGNILTFGAFVIASTSGKFG

Specific function: PsaA and psaB bind P700, the primary electron donor of photosystem I (PSI), as well as the electron acceptors A0, A1 and FX. PSI is a plastocyanin/cytochrome c6-ferredoxin oxidoreductase, converting photonic excitation into a charge separation, which tran

COG id: NA

COG function: NA

Gene ontology:

Cell location: Cellular thylakoid membrane; Multi-pass membrane protein [H]

Metaboloic importance: NA

Operon status: Not Known

Operon components: None

Similarity: Belongs to the psaA/psaB family [H]

Homologues:

None

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): NA

Other databases:

- InterPro:   IPR001280
- InterPro:   IPR020586
- InterPro:   IPR006244 [H]

Pfam domain/function: PF00223 PsaA_PsaB [H]

EC number: NA

Molecular weight: Translated: 82813; Mature: 82681

Theoretical pI: Translated: 6.86; Mature: 6.86

Prosite motif: PS00419 PHOTOSYSTEM_I_PSAAB

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

0.5 %Cys     (Translated Protein)
2.7 %Met     (Translated Protein)
3.2 %Cys+Met (Translated Protein)
0.5 %Cys     (Mature Protein)
2.6 %Met     (Mature Protein)
3.1 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MATKFPSFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALW
CCCCCCCCCCCCCCCCCCCEEEEEEEECCCCCCCCCCCHHHHHHHHHHHCCHHHHHHHHH
VAGNLFHVAWQGNFEQFVLDPTHVRPIAHAIWDPHFGEGITEAMTQAGANGPVNIAYSGL
HHCCEEEEEEECCCHHEEECCHHHHHHHHHHCCCCCCCHHHHHHHHCCCCCCEEEEEHHH
YHWWYTIGMRTNEQLFQASIFMSILACWVLFAGWLHLQPKFRPTLAWFKNAEAQLNHHLS
EEEEEEECCCCCHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCHHHHHHCCCHHHHHHCEE
VLFGFSSIAWTGHLVHVAIPESRGQHVGWDNWLTVLPHPAGLAPFFTLNWGAYAQNPDSL
EEEECHHHEECCEEEEEEECCCCCCCCCCCCCEEECCCCCCCCCEEEECCCCCCCCCHHH
DQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGCVFVIAGHMYRNTFGIGHS
HHHHCCCCCCCHHHHHHHCCCCCCCCEEEEHHHHHHHHHHHHHHHHHHHHHHHHHCCCHH
LKEITEAHNTRHPNDPHKGSFGISHDGIYETVNNSLHFQLGLALASLGVATSLVAQHMGA
HHHHHHHHCCCCCCCCCCCCCCCCCCCHHHHHCCCEEEEHHHHHHHHHHHHHHHHHHHCC
LPSYAFIARDYTTQSALYTHHQYIAMFLMVGAFAHGAIFFVRDYDPEVNKDNVLARVLGT
CCCHHHHEECCCHHHHHHHHHHHHHHHHHHHHHHCCEEEEEECCCCCCCCCHHHHHHHCC
KEALISHLSWVTMLLGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
HHHHHHHHHHHHHHHHHHHEEEEEECCEEEEECCCCCEEEECHHHHHHHHHHCCCEEECH
DALLSDPTSSATIAANSMPGNHYWMDLINRQDALSSFLPIGPADFLVHHAIALGLHTTAL
HHHHCCCCCCCEEEECCCCCCHHHHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHHHEE
ILIKGALDARGTKLIPDKKDLGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLIAWVTF
EEEEECCCCCCCCCCCCCCCCCEECCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHH
YWHWKHLTIWQGNMAQFNESGTYLMGWFRDYLWLNSSQLINGYNPFGVNSLSPWAWMFLF
HEEEEEEEEEECCHHHCCCCCCEEHHHHHHHHHCCCCHHCCCCCCCCCCCCCHHHHHHHH
GHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAH
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCHHHHCCCCCCCHHHHHHHHHHHHHHH
FTIGNILTFGAFVIASTSGKFG
HHHHHHHHHHHHHEEECCCCCC
>Mature Secondary Structure 
ATKFPSFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALW
CCCCCCCCCCCCCCCCCCEEEEEEEECCCCCCCCCCCHHHHHHHHHHHCCHHHHHHHHH
VAGNLFHVAWQGNFEQFVLDPTHVRPIAHAIWDPHFGEGITEAMTQAGANGPVNIAYSGL
HHCCEEEEEEECCCHHEEECCHHHHHHHHHHCCCCCCCHHHHHHHHCCCCCCEEEEEHHH
YHWWYTIGMRTNEQLFQASIFMSILACWVLFAGWLHLQPKFRPTLAWFKNAEAQLNHHLS
EEEEEEECCCCCHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCHHHHHHCCCHHHHHHCEE
VLFGFSSIAWTGHLVHVAIPESRGQHVGWDNWLTVLPHPAGLAPFFTLNWGAYAQNPDSL
EEEECHHHEECCEEEEEEECCCCCCCCCCCCCEEECCCCCCCCCEEEECCCCCCCCCHHH
DQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGCVFVIAGHMYRNTFGIGHS
HHHHCCCCCCCHHHHHHHCCCCCCCCEEEEHHHHHHHHHHHHHHHHHHHHHHHHHCCCHH
LKEITEAHNTRHPNDPHKGSFGISHDGIYETVNNSLHFQLGLALASLGVATSLVAQHMGA
HHHHHHHHCCCCCCCCCCCCCCCCCCCHHHHHCCCEEEEHHHHHHHHHHHHHHHHHHHCC
LPSYAFIARDYTTQSALYTHHQYIAMFLMVGAFAHGAIFFVRDYDPEVNKDNVLARVLGT
CCCHHHHEECCCHHHHHHHHHHHHHHHHHHHHHHCCEEEEEECCCCCCCCCHHHHHHHCC
KEALISHLSWVTMLLGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
HHHHHHHHHHHHHHHHHHHEEEEEECCEEEEECCCCCEEEECHHHHHHHHHHCCCEEECH
DALLSDPTSSATIAANSMPGNHYWMDLINRQDALSSFLPIGPADFLVHHAIALGLHTTAL
HHHHCCCCCCCEEEECCCCCCHHHHHHHHHHHHHHHHCCCCHHHHHHHHHHHHHHHHHEE
ILIKGALDARGTKLIPDKKDLGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLIAWVTF
EEEEECCCCCCCCCCCCCCCCCEECCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHH
YWHWKHLTIWQGNMAQFNESGTYLMGWFRDYLWLNSSQLINGYNPFGVNSLSPWAWMFLF
HEEEEEEEEEECCHHHCCCCCCEEHHHHHHHHHCCCCHHCCCCCCCCCCCCCHHHHHHHH
GHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAH
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCHHHHCCCCCCCHHHHHHHHHHHHHHH
FTIGNILTFGAFVIASTSGKFG
HHHHHHHHHHHHHEEECCCCCC

PDB accession: NA

Resolution: NA

Structure class: Alpha Beta

Cofactors: NA

Metal ions: NA

Kcat value (1/min): NA

Specific activity: NA

Km value (mM): NA

Substrates: NA

Specific reaction: NA

General reaction: NA

Inhibitor: NA

Structure determination priority: 6.0

TargetDB status: NA

Availability: NA

References: NA