Definition Prochlorococcus marinus str. MIT 9515, complete genome.
Accession NC_008817
Length 1,704,176

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The map label for this gene is psaB [H]

Identifier: 123966935

GI number: 123966935

Start: 1499343

End: 1501571

Strand: Reverse

Name: psaB [H]

Synonym: P9515_17021

Alternate gene names: 123966935

Gene position: 1501571-1499343 (Counterclockwise)

Preceding gene: 123966936

Following gene: 123966934

Centisome position: 88.11

GC content: 39.08

Gene sequence:

>2229_bases
ATGGCAACAAAATTTCCAGCATTTAACCAGGGTCTAGCTCAGGACCCAACCACCCGCCGAATATGGTACGGCATAGCTAC
TGCTCATGACTTTGAGAGTCATGATGGGATGACAGAAGAAAAGCTTTACCAAAAGTTGTTTTCTACGCATTTTGGTCATT
TAGCAATTATTGCTCTTTGGGTAGCTGGTAATCTATTTCATATTGCTTGGCAAGGTAATTTTGAGCAATTTGTACTTGAT
CCAACCCATGTTCGTCCTATCGCTCATGCTATTTGGGACCCTCACTTCGGTTCTGGTATTACAGAAGCAATGACTCAGGC
AGGAGCCGATGGCCCAGTAAATATTGCTTATTCAGGTTTATATCATTGGTGGTACACCATAGGCATGAGAACAAATGAGC
AATTGTTTCAAGCCTCAATATTTATGAGTATTTTGGCTTGTTGGACATTGTTTGCTGGATGGTTACATTTACAACCAAAA
TTTAGACCTTCACTTGCCTGGTTTAAAAATAACGAATCTAGATTAAATCATCATCTTGCTGTTTTATTTGGTTTTAGTAG
TATTGCTTGGACAGGACACTTAGTTCACGTTGCTATTCCTGAATCTAGAGGTATTCATGTAGGTTGGGATAATTGGTTAA
CAGTACTACCTCATCCAGCCGGCTTAACTCCTTTCTTTACACTTAATTGGGGTGCATATGCCCAGAATCCGGATTCATTA
GAACAAGTATTTGGTACGGCAGAGGGAGCGGGTACAGCAATATTTACTTTCCTAGGAGGACTTCATCCTCAAAGTGAAGC
ATTATGGTTAACTGACATAGCTCATCATCACATTGCAATAGGTACTGTATTTATAATCGCCGGACATATGTATAGAAATA
CTTTTGGAATCGGACATAGTTTAAAAGAAATTACAGAAGCGCATAATACAAGACATCCTCTTGATCCTCACAAAGGAAGT
TTTGGGATTAATCACGATGGTCTTTATGAAACTGTTACTAATTCGCTTCACTTCCAACTTGGTTTAGCTCTAGCAGCTCT
TGGAGTAGCCACATCATTGGTGGCTCAACATATGGGAGCTCTTCCTTCATATGCTTTTATAGCAAGAGATTACACTACAC
AGTCAGCTTTATATACTCATCACCAATATATAGCGATGTTTTTAATGGTTGGTGCTTTTGCTCATGGTGCAATATTCTTT
GTCAGAGATTATGATCCTGAATTAAATAAAGATAATGTATTAGCTCGTGTACTAGGAACTAAGGAAGCTCTTATTAGTCA
TTTAAGCTGGGTGACTATGATCTTGGGTTTTCATACATTAGGAATATATGTACATAACGATGTTGTTGTAGCTTTTGGAA
ATCCTGAAAAACAAATTTTAATCGAACCAGTATTTGCTCAGTTCGTGCAGGCAGCTCAAGGAAAGATGATGTATGGTTTT
AACGCACTGCTTTCTGATCCTACAAGTGCAGCTAGTGTCGCTGCAAATTCTTTACCGGGAAATCATTACTGGATGGATTT
GATTAATAGACAAGATGCTTTAAGTGCTTTTTTACCCATTGGACCAGCAGATTTCTTGGTTCATCATGCTATTGCTCTTG
GACTTCACACAACTGCACTAATTCTAATTAAAGGGGCTTTAGATGCTAGAGGCACTAAGCTTATTCCAGACAAGAAAGAT
TTAGGTTATGCATTCCCATGTGATGGACCAGGGAGAGGAGGTACTTGTGACAGCTCATCTTGGGACGCCATGTATCTAGC
AATGTTCTGGGCATTAAACTTGATAGCATGGGTAACTTTTTACTGGCATTGGAAACATTTAGCAATTTGGCAAGGTAATG
TTGCTCAATTTAATGAGTCTGGAACTTACTTAATGGGTTGGTTTAGAGATTATCTATGGCTAAACTCAGCTCAATTAATT
AATGGATATAATCCATTCGGCGTTAATTCACTTTCTGTTTGGGCTTGGATGTTCTTATTCGGCCATTTAGTATGGGCCAC
TGGGTTTATGTTCTTGATCTCATGGCGTGGCTACTGGCAAGAATTAATCGAAACATTAGTTTGGGCCCACCAGCGTACTC
CAATAGCAAACCTTGTAGGTTGGAGAGATAAACCTGTTGCACTTTCAATTGTTCAAGCAAGACTAGTGGGATTAGCTCAT
TTCACAATTGGAAATATTCTCACTTTCGGAGCATTTGTAATAGCTTCTACTTCAGGTAAGTTTGGATAA

Upstream 100 bases:

>100_bases
ACTCACTTCTTAGTGGGTGGTATAGCTACTACTTGGGCATTTTTCCATGCTCGCCTTTTCGGGATTGGCTAAATAACCTG
AACTTCACCTTTTTAATTCA

Downstream 100 bases:

>100_bases
AAACTTATTAAATAAGATAAATCACCACTTATGTGGTGATTTTTTTTGTTTAATTTCTTTGTTCTAAATTAAGTTAAAAT
TAAAAGATTATTAATCGCGA

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
MATKFPAFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALWVAGNLFHIAWQGNFEQFVLD
PTHVRPIAHAIWDPHFGSGITEAMTQAGADGPVNIAYSGLYHWWYTIGMRTNEQLFQASIFMSILACWTLFAGWLHLQPK
FRPSLAWFKNNESRLNHHLAVLFGFSSIAWTGHLVHVAIPESRGIHVGWDNWLTVLPHPAGLTPFFTLNWGAYAQNPDSL
EQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGTVFIIAGHMYRNTFGIGHSLKEITEAHNTRHPLDPHKGS
FGINHDGLYETVTNSLHFQLGLALAALGVATSLVAQHMGALPSYAFIARDYTTQSALYTHHQYIAMFLMVGAFAHGAIFF
VRDYDPELNKDNVLARVLGTKEALISHLSWVTMILGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
NALLSDPTSAASVAANSLPGNHYWMDLINRQDALSAFLPIGPADFLVHHAIALGLHTTALILIKGALDARGTKLIPDKKD
LGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLIAWVTFYWHWKHLAIWQGNVAQFNESGTYLMGWFRDYLWLNSAQLI
NGYNPFGVNSLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAH
FTIGNILTFGAFVIASTSGKFG

Sequences:

>Translated_742_residues
MATKFPAFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALWVAGNLFHIAWQGNFEQFVLD
PTHVRPIAHAIWDPHFGSGITEAMTQAGADGPVNIAYSGLYHWWYTIGMRTNEQLFQASIFMSILACWTLFAGWLHLQPK
FRPSLAWFKNNESRLNHHLAVLFGFSSIAWTGHLVHVAIPESRGIHVGWDNWLTVLPHPAGLTPFFTLNWGAYAQNPDSL
EQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGTVFIIAGHMYRNTFGIGHSLKEITEAHNTRHPLDPHKGS
FGINHDGLYETVTNSLHFQLGLALAALGVATSLVAQHMGALPSYAFIARDYTTQSALYTHHQYIAMFLMVGAFAHGAIFF
VRDYDPELNKDNVLARVLGTKEALISHLSWVTMILGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
NALLSDPTSAASVAANSLPGNHYWMDLINRQDALSAFLPIGPADFLVHHAIALGLHTTALILIKGALDARGTKLIPDKKD
LGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLIAWVTFYWHWKHLAIWQGNVAQFNESGTYLMGWFRDYLWLNSAQLI
NGYNPFGVNSLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAH
FTIGNILTFGAFVIASTSGKFG
>Mature_741_residues
ATKFPAFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALWVAGNLFHIAWQGNFEQFVLDP
THVRPIAHAIWDPHFGSGITEAMTQAGADGPVNIAYSGLYHWWYTIGMRTNEQLFQASIFMSILACWTLFAGWLHLQPKF
RPSLAWFKNNESRLNHHLAVLFGFSSIAWTGHLVHVAIPESRGIHVGWDNWLTVLPHPAGLTPFFTLNWGAYAQNPDSLE
QVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGTVFIIAGHMYRNTFGIGHSLKEITEAHNTRHPLDPHKGSF
GINHDGLYETVTNSLHFQLGLALAALGVATSLVAQHMGALPSYAFIARDYTTQSALYTHHQYIAMFLMVGAFAHGAIFFV
RDYDPELNKDNVLARVLGTKEALISHLSWVTMILGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGFN
ALLSDPTSAASVAANSLPGNHYWMDLINRQDALSAFLPIGPADFLVHHAIALGLHTTALILIKGALDARGTKLIPDKKDL
GYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLIAWVTFYWHWKHLAIWQGNVAQFNESGTYLMGWFRDYLWLNSAQLIN
GYNPFGVNSLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAHF
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: 82726; Mature: 82594

Theoretical pI: Translated: 6.96; Mature: 6.96

Prosite motif: PS00419 PHOTOSYSTEM_I_PSAAB

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

0.4 %Cys     (Translated Protein)
2.4 %Met     (Translated Protein)
2.8 %Cys+Met (Translated Protein)
0.4 %Cys     (Mature Protein)
2.3 %Met     (Mature Protein)
2.7 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MATKFPAFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALW
CCCCCCCCCCCCCCCCCCCEEEEEEEECCCCCCCCCCCHHHHHHHHHHHCCHHHHHHHHH
VAGNLFHIAWQGNFEQFVLDPTHVRPIAHAIWDPHFGSGITEAMTQAGADGPVNIAYSGL
HHCCEEEEEEECCCCEEEECCHHHHHHHHHHCCCCCCCCHHHHHHHCCCCCCCEEEHHHH
YHWWYTIGMRTNEQLFQASIFMSILACWTLFAGWLHLQPKFRPSLAWFKNNESRLNHHLA
EEEEEEECCCCCHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCEECCCHHHHHHEEE
VLFGFSSIAWTGHLVHVAIPESRGIHVGWDNWLTVLPHPAGLTPFFTLNWGAYAQNPDSL
EEEECHHHEECCEEEEEEECCCCCEEECCCCCEEECCCCCCCCEEEEECCCCCCCCHHHH
EQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGTVFIIAGHMYRNTFGIGHS
HHHHCCCCCCCHHHHHHHCCCCCCCCEEEEEHHHHHHHHHHHHHHHHHHHHHHHHCCCHH
LKEITEAHNTRHPLDPHKGSFGINHDGLYETVTNSLHFQLGLALAALGVATSLVAQHMGA
HHHHHHHHCCCCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCC
LPSYAFIARDYTTQSALYTHHQYIAMFLMVGAFAHGAIFFVRDYDPELNKDNVLARVLGT
CCCHHHEEECCCHHHHHHHHHHHHHHHHHHHHHHCCEEEEEECCCCCCCCCHHHHHHHCC
KEALISHLSWVTMILGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
HHHHHHHHHHHHHHHHHHHEEEEEECCEEEEECCCCCEEEEEHHHHHHHHHHCCCEEECC
NALLSDPTSAASVAANSLPGNHYWMDLINRQDALSAFLPIGPADFLVHHAIALGLHTTAL
HHHHCCCCHHHHHHHHCCCCCHHHHHHHCHHHHHHHHCCCCHHHHHHHHHHHHHHHHHEE
ILIKGALDARGTKLIPDKKDLGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLIAWVTF
EEEEECCCCCCCCCCCCCCCCCEECCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHH
YWHWKHLAIWQGNVAQFNESGTYLMGWFRDYLWLNSAQLINGYNPFGVNSLSVWAWMFLF
HHEEEEEEEEECCHHEECCCCCEEHHHHHHHHHCCCHHHCCCCCCCCCCHHHHHHHHHHH
GHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAH
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCHHHHCCCCCCCHHHHHHHHHHHHHHH
FTIGNILTFGAFVIASTSGKFG
HHHHHHHHHHHHHEEECCCCCC
>Mature Secondary Structure 
ATKFPAFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALW
CCCCCCCCCCCCCCCCCCEEEEEEEECCCCCCCCCCCHHHHHHHHHHHCCHHHHHHHHH
VAGNLFHIAWQGNFEQFVLDPTHVRPIAHAIWDPHFGSGITEAMTQAGADGPVNIAYSGL
HHCCEEEEEEECCCCEEEECCHHHHHHHHHHCCCCCCCCHHHHHHHCCCCCCCEEEHHHH
YHWWYTIGMRTNEQLFQASIFMSILACWTLFAGWLHLQPKFRPSLAWFKNNESRLNHHLA
EEEEEEECCCCCHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCEECCCHHHHHHEEE
VLFGFSSIAWTGHLVHVAIPESRGIHVGWDNWLTVLPHPAGLTPFFTLNWGAYAQNPDSL
EEEECHHHEECCEEEEEEECCCCCEEECCCCCEEECCCCCCCCEEEEECCCCCCCCHHHH
EQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGTVFIIAGHMYRNTFGIGHS
HHHHCCCCCCCHHHHHHHCCCCCCCCEEEEEHHHHHHHHHHHHHHHHHHHHHHHHCCCHH
LKEITEAHNTRHPLDPHKGSFGINHDGLYETVTNSLHFQLGLALAALGVATSLVAQHMGA
HHHHHHHHCCCCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCC
LPSYAFIARDYTTQSALYTHHQYIAMFLMVGAFAHGAIFFVRDYDPELNKDNVLARVLGT
CCCHHHEEECCCHHHHHHHHHHHHHHHHHHHHHHCCEEEEEECCCCCCCCCHHHHHHHCC
KEALISHLSWVTMILGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
HHHHHHHHHHHHHHHHHHHEEEEEECCEEEEECCCCCEEEEEHHHHHHHHHHCCCEEECC
NALLSDPTSAASVAANSLPGNHYWMDLINRQDALSAFLPIGPADFLVHHAIALGLHTTAL
HHHHCCCCHHHHHHHHCCCCCHHHHHHHCHHHHHHHHCCCCHHHHHHHHHHHHHHHHHEE
ILIKGALDARGTKLIPDKKDLGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLIAWVTF
EEEEECCCCCCCCCCCCCCCCCEECCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHH
YWHWKHLAIWQGNVAQFNESGTYLMGWFRDYLWLNSAQLINGYNPFGVNSLSVWAWMFLF
HHEEEEEEEEECCHHEECCCCCEEHHHHHHHHHCCCHHHCCCCCCCCCCHHHHHHHHHHH
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