Definition Prochlorococcus marinus str. MIT 9301, complete genome.
Accession NC_009091
Length 1,641,879

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The map label for this gene is psaB

Identifier: 126697053

GI number: 126697053

Start: 1446493

End: 1448721

Strand: Reverse

Name: psaB

Synonym: P9301_17151

Alternate gene names: 126697053

Gene position: 1448721-1446493 (Counterclockwise)

Preceding gene: 126697054

Following gene: 126697052

Centisome position: 88.24

GC content: 39.17

Gene sequence:

>2229_bases
ATGGCAACAAAATTTCCATCATTTAACCAGGGTCTAGCTCAGGACCCTACAACCAGACGAATATGGTACGGAATAGCTAC
CGCTCACGACTTTGAAAGTCATGATGGTATGACCGAAGAAAAGCTTTATCAGAAACTTTTCTCTACTCATTTTGGTCATT
TAGCAATAATAGCGCTTTGGGTAGCTGGTAACTTGTTTCATATTGCTTGGCAAGGTAACTTCGAGCAATTTGTACTTGAT
CCAACCCACGTTCGTCCTATTGCTCATGCTATTTGGGATCCACATTTTGGATCTGGCATAACAGAGGCAATGACACAAGC
TGGAGCTAGTGGTCCAGTAAACATAGCTTACTCAGGTCTCTACCATTGGTGGTACACAATTGGAATGAGAACCAATGAGC
AACTCTTCCAAGCTTCAATATTTATGAGTATTTTGGCTTGTTGGACTCTATTTGCAGGTTGGCTACACTTACAGCCTAAA
TTCAGACCTTCTTTAGCTTGGTTTAAAAATGCAGAGTCAAGATTAAATCATCATTTAGCTGTCTTATTTGGTTTTAGTAG
TATTGCTTGGACAGGACATTTAGTTCATGTTGCTATACCTGAATCAAGAGGTCAACATGTAGGTTGGGATAACTGGTTAA
CAGTGCTTCCACACCCTGCAGGACTAGCTCCTTTCTTTACTTTAAACTGGGGAGCATATGCTCAAAATCCTGATTCTCTA
GATCAAGTTTTTGGAACAGCTGAGGGAGCTGGTACAGCAATCTTTACTTTCTTAGGTGGTCTTCACCCTCAAAGTGAAGC
ATTATGGCTTACTGACATTGCACATCATCATATTGCGATTGGAACAGTTTTTGTAATTGCAGGTCATATGTATAGAAATA
CTTTTGGTATTGGTCATAGCCTTAAAGAAATTACAGAAGCTCATAATACAAGACACCCTAATGATCCTCATAAAGGTAGT
TTCGGAATTAACCACGATGGAATATATGAAACTGTCAATAACTCATTACATTTCCAACTTGGATTAGCATTAGCATCACT
TGGTGTAGCAACTTCTCTTGTAGCCCAACATATGGGTGCACTTCCCTCTTATGCTTTTATTGCCAGGGACTACACCACAC
AATCTGCTTTATATAGTCATCATCAGTACATAGCAATGTTCTTGATGGTTGGTGCATTTGCTCATGGAGCCATTTTCTTT
GTAAGAGATTATGATCCTGAACTAAATAAAGATAATGTTTTAGCAAGAGTACTTGGAACAAAGGAAGCTTTGATAAGTCA
TCTTAGTTGGGTAACAATGTTGCTTGGATTTCATACTCTTGGAATTTATGTTCACAACGATGTCGTTGTAGCTTTTGGTA
ATCCTGAAAAGCAAATTCTAATAGAGCCAGTATTTGCTCAATTCGTTCAAGCTGCTCAAGGTAAGATGATGTACGGCTTT
AACGCTTTATTATCTGATCCTACAAGTTCAGCATCTCTAGCAGCTAATTCACTACCAGGTAATCATTACTGGATGGATCT
TATCAATAGACAAGATGCATTAAGTGCTTTCCTACCCATCGGACCTGCAGATTTCCTAGTTCACCATGCTATCGCTTTAG
GTCTTCATACAACTGCATTAATCCTTATCAAAGGTGCACTTGATGCTAGAGGTACAAAATTAATTCCTGATAAGAAAGAT
TTAGGTTATGCATTCCCTTGCGATGGACCTGGGCGCGGAGGTACTTGTGATAGTTCATCTTGGGACGCTATGTACTTAGC
TATGTTCTGGGCATTAAATTTACTAGCATGGGTAACTTTCTACTGGCATTGGAAACACCTAGCAATTTGGCAGGGTAACG
TAGCACAATTTAACGAATCAGGAACTTATCTAATGGGTTGGTTCAGAGATTATCTCTGGTTAAACTCTGCTCAACTTATT
AATGGATATAATCCATTTGGAGTAAATTCTTTATCTCCTTGGGCTTGGATGTTCTTATTTGGTCACTTAGTTTGGGCTAC
TGGTTTCATGTTCCTAATTTCATGGCGTGGTTACTGGCAAGAGTTAATTGAAACATTAGTTTGGGCACATCAGCGTACTC
CAATTGCTAACCTTGTTGGCTGGAGAGATAAACCTGTTGCACTTTCAATTGTTCAAGCTAGATTAGTTGGACTAGCACAT
TTCACGATTGGAAACATTCTTACATTCGGTGCATTTGTTATCGCATCAACTTCAGGTAAGTTTGGTTAA

Upstream 100 bases:

>100_bases
AACACACTTCCTTGTCGGTGGTATTGCTACCACATGGGCTTTCTTCCATGCTCGCCTTTTCGGCCTGGGCTAATTACCTG
AACTTCACCTCTTTAATTCA

Downstream 100 bases:

>100_bases
ATTTTTCCTAAATAATTTGAATCACCACTTTTGTGGTGATTTTTTTTGTTTAATTTTAATGTTCTAAATTAAGTTAAAAT
TATGTAATTATTATTAAATA

Product: photosystem I P700 chlorophyll a apoprotein A2

Products: NA

Alternate protein names: PsaB

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

Protein sequence:

>742_residues
MATKFPSFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALWVAGNLFHIAWQGNFEQFVLD
PTHVRPIAHAIWDPHFGSGITEAMTQAGASGPVNIAYSGLYHWWYTIGMRTNEQLFQASIFMSILACWTLFAGWLHLQPK
FRPSLAWFKNAESRLNHHLAVLFGFSSIAWTGHLVHVAIPESRGQHVGWDNWLTVLPHPAGLAPFFTLNWGAYAQNPDSL
DQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGTVFVIAGHMYRNTFGIGHSLKEITEAHNTRHPNDPHKGS
FGINHDGIYETVNNSLHFQLGLALASLGVATSLVAQHMGALPSYAFIARDYTTQSALYSHHQYIAMFLMVGAFAHGAIFF
VRDYDPELNKDNVLARVLGTKEALISHLSWVTMLLGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
NALLSDPTSSASLAANSLPGNHYWMDLINRQDALSAFLPIGPADFLVHHAIALGLHTTALILIKGALDARGTKLIPDKKD
LGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLLAWVTFYWHWKHLAIWQGNVAQFNESGTYLMGWFRDYLWLNSAQLI
NGYNPFGVNSLSPWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAH
FTIGNILTFGAFVIASTSGKFG

Sequences:

>Translated_742_residues
MATKFPSFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALWVAGNLFHIAWQGNFEQFVLD
PTHVRPIAHAIWDPHFGSGITEAMTQAGASGPVNIAYSGLYHWWYTIGMRTNEQLFQASIFMSILACWTLFAGWLHLQPK
FRPSLAWFKNAESRLNHHLAVLFGFSSIAWTGHLVHVAIPESRGQHVGWDNWLTVLPHPAGLAPFFTLNWGAYAQNPDSL
DQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGTVFVIAGHMYRNTFGIGHSLKEITEAHNTRHPNDPHKGS
FGINHDGIYETVNNSLHFQLGLALASLGVATSLVAQHMGALPSYAFIARDYTTQSALYSHHQYIAMFLMVGAFAHGAIFF
VRDYDPELNKDNVLARVLGTKEALISHLSWVTMLLGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
NALLSDPTSSASLAANSLPGNHYWMDLINRQDALSAFLPIGPADFLVHHAIALGLHTTALILIKGALDARGTKLIPDKKD
LGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLLAWVTFYWHWKHLAIWQGNVAQFNESGTYLMGWFRDYLWLNSAQLI
NGYNPFGVNSLSPWAWMFLFGHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAH
FTIGNILTFGAFVIASTSGKFG
>Mature_741_residues
ATKFPSFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALWVAGNLFHIAWQGNFEQFVLDP
THVRPIAHAIWDPHFGSGITEAMTQAGASGPVNIAYSGLYHWWYTIGMRTNEQLFQASIFMSILACWTLFAGWLHLQPKF
RPSLAWFKNAESRLNHHLAVLFGFSSIAWTGHLVHVAIPESRGQHVGWDNWLTVLPHPAGLAPFFTLNWGAYAQNPDSLD
QVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGTVFVIAGHMYRNTFGIGHSLKEITEAHNTRHPNDPHKGSF
GINHDGIYETVNNSLHFQLGLALASLGVATSLVAQHMGALPSYAFIARDYTTQSALYSHHQYIAMFLMVGAFAHGAIFFV
RDYDPELNKDNVLARVLGTKEALISHLSWVTMLLGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGFN
ALLSDPTSSASLAANSLPGNHYWMDLINRQDALSAFLPIGPADFLVHHAIALGLHTTALILIKGALDARGTKLIPDKKDL
GYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLLAWVTFYWHWKHLAIWQGNVAQFNESGTYLMGWFRDYLWLNSAQLIN
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

Metaboloic importance: NA

Operon status: Not Known

Operon components: None

Similarity: Belongs to the psaA/psaB family

Homologues:

None

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): PSAB_PROM0 (A3PF13)

Other databases:

- EMBL:   CP000576
- RefSeq:   YP_001091939.1
- ProteinModelPortal:   A3PF13
- SMR:   A3PF13
- STRING:   A3PF13
- GeneID:   4912401
- GenomeReviews:   CP000576_GR
- KEGG:   pmg:P9301_17151
- eggNOG:   NOG04867
- HOGENOM:   HBG284930
- OMA:   FTGNWGV
- ProtClustDB:   PRK13199
- BioCyc:   PMAR167546:P9301ORF_1747-MONOMER
- GO:   GO:0015979
- GO:   GO:0006810
- HAMAP:   MF_00482
- InterPro:   IPR001280
- InterPro:   IPR020586
- InterPro:   IPR006244
- Gene3D:   G3DSA:1.20.1130.10
- PIRSF:   PIRSF002905
- PRINTS:   PR00257
- TIGRFAMs:   TIGR01336

Pfam domain/function: PF00223 PsaA_PsaB

EC number: NA

Molecular weight: Translated: 82671; Mature: 82540

Theoretical pI: Translated: 7.01; Mature: 7.01

Prosite motif: PS00419 PHOTOSYSTEM_I_PSAAB

Important sites: BINDING 678-678 BINDING 679-679

Signals:

None

Transmembrane regions:

HASH(0x1f816800)-; HASH(0x1f7a65d4)-; HASH(0x1f8aa324)-; HASH(0x1f6412f4)-; HASH(0x1ec70ef0)-; HASH(0x1f8b0774)-; HASH(0x1f558358)-; HASH(0x1f32c214)-; HASH(0x1f021e8c)-; HASH(0x1f58a0a4)-; HASH(0x1f8b8df0)-;

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
MATKFPSFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALW
CCCCCCCCCCCCCCCCCCCEEEEEEEECCCCCCCCCCCHHHHHHHHHHHCCHHHHHHHHH
VAGNLFHIAWQGNFEQFVLDPTHVRPIAHAIWDPHFGSGITEAMTQAGASGPVNIAYSGL
HHCCEEEEEEECCCCEEEECCHHHHHHHHHHCCCCCCCCHHHHHHHCCCCCCCEEEHHHH
YHWWYTIGMRTNEQLFQASIFMSILACWTLFAGWLHLQPKFRPSLAWFKNAESRLNHHLA
EEEHHEECCCCCHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCHHHHHCHHHHHHHEEE
VLFGFSSIAWTGHLVHVAIPESRGQHVGWDNWLTVLPHPAGLAPFFTLNWGAYAQNPDSL
EEEECHHHHCCCEEEEEEECCCCCCCCCCCCCEEECCCCCCCCCEEEECCCCCCCCCHHH
DQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGTVFVIAGHMYRNTFGIGHS
HHHHCCCCCCCHHHHHHHCCCCCCCCEEEEEHHHHHHHHHHHHHHHHHHHHHHHHCCCHH
LKEITEAHNTRHPNDPHKGSFGINHDGIYETVNNSLHFQLGLALASLGVATSLVAQHMGA
HHHHHHHHCCCCCCCCCCCCCCCCCCCHHHHHCCCEEEEHHHHHHHHHHHHHHHHHHHCC
LPSYAFIARDYTTQSALYSHHQYIAMFLMVGAFAHGAIFFVRDYDPELNKDNVLARVLGT
CCCHHHHEECCHHHHHHHHHHHHHHHHHHHHHHHCCEEEEEECCCCCCCCCHHHHHHHCC
KEALISHLSWVTMLLGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
HHHHHHHHHHHHHHHHHHHEEEEEECCEEEEECCCCCEEEECHHHHHHHHHHCCCEEECC
NALLSDPTSSASLAANSLPGNHYWMDLINRQDALSAFLPIGPADFLVHHAIALGLHTTAL
HHHHCCCCCCHHHHHCCCCCCHHHHHHHCHHHHHHHHCCCCHHHHHHHHHHHHHHHHHEE
ILIKGALDARGTKLIPDKKDLGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLLAWVTF
EEEEECCCCCCCCCCCCCCCCCEECCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHH
YWHWKHLAIWQGNVAQFNESGTYLMGWFRDYLWLNSAQLINGYNPFGVNSLSPWAWMFLF
HHHEEEEEEEECCHHEECCCCCEEHHHHHHHHHCCCHHHCCCCCCCCCCCCCHHHHHHHH
GHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAH
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCHHHHCCCCCCCHHHHHHHHHHHHHHH
FTIGNILTFGAFVIASTSGKFG
HHHHHHHHHHHHHEEECCCCCH
>Mature Secondary Structure 
ATKFPSFNQGLAQDPTTRRIWYGIATAHDFESHDGMTEEKLYQKLFSTHFGHLAIIALW
CCCCCCCCCCCCCCCCCCEEEEEEEECCCCCCCCCCCHHHHHHHHHHHCCHHHHHHHHH
VAGNLFHIAWQGNFEQFVLDPTHVRPIAHAIWDPHFGSGITEAMTQAGASGPVNIAYSGL
HHCCEEEEEEECCCCEEEECCHHHHHHHHHHCCCCCCCCHHHHHHHCCCCCCCEEEHHHH
YHWWYTIGMRTNEQLFQASIFMSILACWTLFAGWLHLQPKFRPSLAWFKNAESRLNHHLA
EEEHHEECCCCCHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCHHHHHCHHHHHHHEEE
VLFGFSSIAWTGHLVHVAIPESRGQHVGWDNWLTVLPHPAGLAPFFTLNWGAYAQNPDSL
EEEECHHHHCCCEEEEEEECCCCCCCCCCCCCEEECCCCCCCCCEEEECCCCCCCCCHHH
DQVFGTAEGAGTAIFTFLGGLHPQSEALWLTDIAHHHIAIGTVFVIAGHMYRNTFGIGHS
HHHHCCCCCCCHHHHHHHCCCCCCCCEEEEEHHHHHHHHHHHHHHHHHHHHHHHHCCCHH
LKEITEAHNTRHPNDPHKGSFGINHDGIYETVNNSLHFQLGLALASLGVATSLVAQHMGA
HHHHHHHHCCCCCCCCCCCCCCCCCCCHHHHHCCCEEEEHHHHHHHHHHHHHHHHHHHCC
LPSYAFIARDYTTQSALYSHHQYIAMFLMVGAFAHGAIFFVRDYDPELNKDNVLARVLGT
CCCHHHHEECCHHHHHHHHHHHHHHHHHHHHHHHCCEEEEEECCCCCCCCCHHHHHHHCC
KEALISHLSWVTMLLGFHTLGIYVHNDVVVAFGNPEKQILIEPVFAQFVQAAQGKMMYGF
HHHHHHHHHHHHHHHHHHHEEEEEECCEEEEECCCCCEEEECHHHHHHHHHHCCCEEECC
NALLSDPTSSASLAANSLPGNHYWMDLINRQDALSAFLPIGPADFLVHHAIALGLHTTAL
HHHHCCCCCCHHHHHCCCCCCHHHHHHHCHHHHHHHHCCCCHHHHHHHHHHHHHHHHHEE
ILIKGALDARGTKLIPDKKDLGYAFPCDGPGRGGTCDSSSWDAMYLAMFWALNLLAWVTF
EEEEECCCCCCCCCCCCCCCCCEECCCCCCCCCCCCCCCCCHHHHHHHHHHHHHHHHHHH
YWHWKHLAIWQGNVAQFNESGTYLMGWFRDYLWLNSAQLINGYNPFGVNSLSPWAWMFLF
HHHEEEEEEEECCHHEECCCCCEEHHHHHHHHHCCCHHHCCCCCCCCCCCCCHHHHHHHH
GHLVWATGFMFLISWRGYWQELIETLVWAHQRTPIANLVGWRDKPVALSIVQARLVGLAH
HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCHHHHCCCCCCCHHHHHHHHHHHHHHH
FTIGNILTFGAFVIASTSGKFG
HHHHHHHHHHHHHEEECCCCCH

PDB accession: NA

Resolution: NA

Structure class: Unstructured

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