Definition Prochlorococcus marinus str. MIT 9303, complete genome.
Accession NC_008820
Length 2,682,675

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The map label for this gene is psaA

Identifier: 124024041

GI number: 124024041

Start: 2064425

End: 2066755

Strand: Reverse

Name: psaA

Synonym: P9303_23481

Alternate gene names: 124024041

Gene position: 2066755-2064425 (Counterclockwise)

Preceding gene: 124024044

Following gene: 124024040

Centisome position: 77.04

GC content: 52.51

Gene sequence:

>2331_bases
ATGACCATTAGCCCACCAGAGCGTGGGGAAAAAGCGAAGCCTATTTACGATCAACCAGTCGACCGGGACCACGTTCCAGC
CGACTTCGAAAAATTCGAACAACCCGGATTTTTCTCGAAAAGCCTCGCTAAGGGACCAAACTCCACAACCTGGATTTGGA
ACCTCCACGCTGACGCCCACGACTTCGATACCCACATTGGGGATCTGGAAGAAACCAGCCGGAAGATCTTTTCGGCGCAC
TTCGGCCATTTGGCCATAGTGTTTATTTGGTTAAGCGGTGCCTTCTTCCACGGTGCCCGCTTCTCCAACTACTCCGGCTG
GCTAGCCGACCCCACGCACGTGAAAGCCAGTGCGCAGGTCGTTTGGCCAATTGTCGGTCAAGAAATCATGAATGCAGATG
TGGGTGCCGGCTTTAACGGCATCCAGATCACCTCCGGCATTTTCCAAATGTGGAGGGCTTGGGGAATTACCAGTGAGACA
GAGCTCATGGCTCTTGCAACTGGTGCCCTAATCATGGCTGGCCTTGTTCTCCATGGCGGAATCTTCCACTACCACAAAGC
AGCTCCAAAGCTCGAGTGGTTTAAGAAGATTGAGTCGATGCTTCAGCACCATCAGATTGGTCTGTTTGGCTTGGGCTCTC
TTGGTTGGACAGGTCACTTGATCCATGTGGCCAACCCCACCAACGCCCTATTGGATGCCATAGATGCAGGCACTCCAATG
GTGCTTGATGGCAAGACCATTGCCACTGCAGCGGATATCCCTCTGCCCCACGAGCTCTACAACGCTGATCTCGTTGGCCA
GATTTATCCAGGTCTTGCTTCAGGCATCGGGAATTTCTTCTCGGCTAATTGGTGGGCCTTTAGTGATTTTCTCACCAACA
ACGGAGGAGTGAATCCTGTAACAGGTGCTCTATGGAGTACTGATGTTGCTCATCACCATTTGGCATGGGCGGTCTTTTTG
ATGTTTGGTGGCCACGTATACCGCTCAAGATTCGGTATCGGCCACAGCATGAAAGAGATCATGGGGAACGTAAAGGGTGA
CCCCCTCTTATTCCCAGCTCCCAATGGTCATAAAGGTCTCTTCGAGTTCCTTTCCAACAGCTGGCATGCTCAGCTGGCAG
TAAACCTGGCATGCATTGGTTCAGGGAGCATCGTGGTTGCACACCACATGTATTCTCTACCTCCATATCCATACCTTGCG
ACTGATTACCCAACGGTTCTTGGGCTATTCACACACCACATGTGGATTGGTGGTTTGATGATTTGCGGAGCAGCAGCTCA
CGCTGGCATCGCAGTCATTCGTGACTATGACGTCTCAGTTCACGTCGATAACGTGCTTGATCGCATGTTCAAGGCGCGCG
ATGCAATCATCAGTCACCTCAACTGGGTGTGTATGTTCCTTGGCTTCCACAGCTTCGGACTTTATATACACAACGACAGC
ATGCGTGCTTTGGGTCGTTCCCAAGACATGTTCAGCGACTCTGCAATCCAGTTGCAGCCTGTCTTGGCTCAATGGATTCA
AAGCCTTTGGGCGTCTTCAATTGGCACATCATCTGTGGTTGGCACGACAACAGGTCTGCCAGGTGCAGTGAGTGATGTAT
TCAACGGAGGCGTTGTAGCAGTTGGCGGCAAGGTGGCTCTGATGGCTATTCCCTTGGGAACAGCCGACTTGATGATTCAC
CACATCCATGCCTTCACCATTCACGTAACTTGCCTCATCCTTCTTAAGGGTGTGCTTTTTGCCCGCAGTTCCCGTCTTGT
TCCTGACAAGGCGAATCTTGGCTTCCGCTTCTCTTGCGATGGCCCAGGTCGTGGTGGTACCTGCCAGGTTTCCTCTTGGG
ACCACGTGTTCCTAGGCCTGTTCTGGATGTACAACTCCCTATCGATGGTGATCTTCTACTTCTCGTGGAAGATGCAAAGC
GATGTATGGGGCACTGTCAATTCAGACGGGAGTGTGACTCATCTCGTTTCTGGCAACTTTGCTCAAAGCGCCATCACTGT
GAATGGTTGGTTCCGTGACTTCCTATGGGCTCAGTCCTCACAGGTGCTCACGAGCTACGGCACTGGCCTAAGCGGCTATG
GCCTGTTATTCCTTGGTGGCCACTTCGTGTGGGCCTTTAGCTTGATGTTCTTGTTCAGCGGCCGTGGCTACTGGCAGGAG
CTATTTGAATCCATTATCTGGGCTCATAACAAGCTCAAGCTTGCTCCCACCATCCAGCCCCGGGCACTTTCGATTACGCA
GGGCCGCGCAGTTGGTGTAACCCACTTCCTGTTTGGTGGCATTGTGACCACCTGGGCCTTCTTCCATGCCCGCCTTCTTG
GGCTCGGCTGA

Upstream 100 bases:

>100_bases
GCACCACTTCGGTGGTGGTGTCTCCGGGGCCCCGGCAAGCCCTTGGGCCTGTCGAAGGGGTGGCCCTCCACCTCGATCCC
GTCCCTCGAGGAACCTCTCG

Downstream 100 bases:

>100_bases
CCTTTCCTGACCTTTCCCCACATGGCAACGAAATTTCCTTCGTTCAGCCAGGGTCTGGCACAGGACCCTACAACCCGCCG
TATTTGGTACGGCATAGCCA

Product: photosystem I P700 chlorophyll a apoprotein A1

Products: NA

Alternate protein names: PsaA

Number of amino acids: Translated: 776; Mature: 775

Protein sequence:

>776_residues
MTISPPERGEKAKPIYDQPVDRDHVPADFEKFEQPGFFSKSLAKGPNSTTWIWNLHADAHDFDTHIGDLEETSRKIFSAH
FGHLAIVFIWLSGAFFHGARFSNYSGWLADPTHVKASAQVVWPIVGQEIMNADVGAGFNGIQITSGIFQMWRAWGITSET
ELMALATGALIMAGLVLHGGIFHYHKAAPKLEWFKKIESMLQHHQIGLFGLGSLGWTGHLIHVANPTNALLDAIDAGTPM
VLDGKTIATAADIPLPHELYNADLVGQIYPGLASGIGNFFSANWWAFSDFLTNNGGVNPVTGALWSTDVAHHHLAWAVFL
MFGGHVYRSRFGIGHSMKEIMGNVKGDPLLFPAPNGHKGLFEFLSNSWHAQLAVNLACIGSGSIVVAHHMYSLPPYPYLA
TDYPTVLGLFTHHMWIGGLMICGAAAHAGIAVIRDYDVSVHVDNVLDRMFKARDAIISHLNWVCMFLGFHSFGLYIHNDS
MRALGRSQDMFSDSAIQLQPVLAQWIQSLWASSIGTSSVVGTTTGLPGAVSDVFNGGVVAVGGKVALMAIPLGTADLMIH
HIHAFTIHVTCLILLKGVLFARSSRLVPDKANLGFRFSCDGPGRGGTCQVSSWDHVFLGLFWMYNSLSMVIFYFSWKMQS
DVWGTVNSDGSVTHLVSGNFAQSAITVNGWFRDFLWAQSSQVLTSYGTGLSGYGLLFLGGHFVWAFSLMFLFSGRGYWQE
LFESIIWAHNKLKLAPTIQPRALSITQGRAVGVTHFLFGGIVTTWAFFHARLLGLG

Sequences:

>Translated_776_residues
MTISPPERGEKAKPIYDQPVDRDHVPADFEKFEQPGFFSKSLAKGPNSTTWIWNLHADAHDFDTHIGDLEETSRKIFSAH
FGHLAIVFIWLSGAFFHGARFSNYSGWLADPTHVKASAQVVWPIVGQEIMNADVGAGFNGIQITSGIFQMWRAWGITSET
ELMALATGALIMAGLVLHGGIFHYHKAAPKLEWFKKIESMLQHHQIGLFGLGSLGWTGHLIHVANPTNALLDAIDAGTPM
VLDGKTIATAADIPLPHELYNADLVGQIYPGLASGIGNFFSANWWAFSDFLTNNGGVNPVTGALWSTDVAHHHLAWAVFL
MFGGHVYRSRFGIGHSMKEIMGNVKGDPLLFPAPNGHKGLFEFLSNSWHAQLAVNLACIGSGSIVVAHHMYSLPPYPYLA
TDYPTVLGLFTHHMWIGGLMICGAAAHAGIAVIRDYDVSVHVDNVLDRMFKARDAIISHLNWVCMFLGFHSFGLYIHNDS
MRALGRSQDMFSDSAIQLQPVLAQWIQSLWASSIGTSSVVGTTTGLPGAVSDVFNGGVVAVGGKVALMAIPLGTADLMIH
HIHAFTIHVTCLILLKGVLFARSSRLVPDKANLGFRFSCDGPGRGGTCQVSSWDHVFLGLFWMYNSLSMVIFYFSWKMQS
DVWGTVNSDGSVTHLVSGNFAQSAITVNGWFRDFLWAQSSQVLTSYGTGLSGYGLLFLGGHFVWAFSLMFLFSGRGYWQE
LFESIIWAHNKLKLAPTIQPRALSITQGRAVGVTHFLFGGIVTTWAFFHARLLGLG
>Mature_775_residues
TISPPERGEKAKPIYDQPVDRDHVPADFEKFEQPGFFSKSLAKGPNSTTWIWNLHADAHDFDTHIGDLEETSRKIFSAHF
GHLAIVFIWLSGAFFHGARFSNYSGWLADPTHVKASAQVVWPIVGQEIMNADVGAGFNGIQITSGIFQMWRAWGITSETE
LMALATGALIMAGLVLHGGIFHYHKAAPKLEWFKKIESMLQHHQIGLFGLGSLGWTGHLIHVANPTNALLDAIDAGTPMV
LDGKTIATAADIPLPHELYNADLVGQIYPGLASGIGNFFSANWWAFSDFLTNNGGVNPVTGALWSTDVAHHHLAWAVFLM
FGGHVYRSRFGIGHSMKEIMGNVKGDPLLFPAPNGHKGLFEFLSNSWHAQLAVNLACIGSGSIVVAHHMYSLPPYPYLAT
DYPTVLGLFTHHMWIGGLMICGAAAHAGIAVIRDYDVSVHVDNVLDRMFKARDAIISHLNWVCMFLGFHSFGLYIHNDSM
RALGRSQDMFSDSAIQLQPVLAQWIQSLWASSIGTSSVVGTTTGLPGAVSDVFNGGVVAVGGKVALMAIPLGTADLMIHH
IHAFTIHVTCLILLKGVLFARSSRLVPDKANLGFRFSCDGPGRGGTCQVSSWDHVFLGLFWMYNSLSMVIFYFSWKMQSD
VWGTVNSDGSVTHLVSGNFAQSAITVNGWFRDFLWAQSSQVLTSYGTGLSGYGLLFLGGHFVWAFSLMFLFSGRGYWQEL
FESIIWAHNKLKLAPTIQPRALSITQGRAVGVTHFLFGGIVTTWAFFHARLLGLG

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): PSAA_PROM3 (A2CC73)

Other databases:

- EMBL:   CP000554
- RefSeq:   YP_001018348.1
- ProteinModelPortal:   A2CC73
- SMR:   A2CC73
- STRING:   A2CC73
- GeneID:   4778139
- GenomeReviews:   CP000554_GR
- KEGG:   pmf:P9303_23481
- eggNOG:   NOG05023
- HOGENOM:   HBG284930
- OMA:   FSAHFGH
- ProtClustDB:   PRK13200
- GO:   GO:0015979
- GO:   GO:0006810
- HAMAP:   MF_00458
- InterPro:   IPR006243
- InterPro:   IPR001280
- InterPro:   IPR020586
- Gene3D:   G3DSA:1.20.1130.10
- PIRSF:   PIRSF002905
- PRINTS:   PR00257
- TIGRFAMs:   TIGR01335

Pfam domain/function: PF00223 PsaA_PsaB

EC number: NA

Molecular weight: Translated: 84917; Mature: 84786

Theoretical pI: Translated: 7.11; Mature: 7.11

Prosite motif: PS00419 PHOTOSYSTEM_I_PSAAB

Important sites: BINDING 717-717 BINDING 718-718

Signals:

None

Transmembrane regions:

HASH(0x1793aebc)-; HASH(0x134e1e38)-; HASH(0x17d84938)-; HASH(0x17b28704)-; HASH(0x172e0700)-; HASH(0x174668b0)-; HASH(0x17703b18)-; HASH(0x1789e9cc)-; HASH(0x178f2b50)-; HASH(0x1787a8b4)-; HASH(0x175484a4)-;

Cys/Met content:

0.8 %Cys     (Translated Protein)
3.0 %Met     (Translated Protein)
3.7 %Cys+Met (Translated Protein)
0.8 %Cys     (Mature Protein)
2.8 %Met     (Mature Protein)
3.6 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MTISPPERGEKAKPIYDQPVDRDHVPADFEKFEQPGFFSKSLAKGPNSTTWIWNLHADAH
CCCCCCCCCCCCCCCCCCCCCCCCCCCCHHHHCCCCCCHHHHHCCCCCCEEEEEECCCCC
DFDTHIGDLEETSRKIFSAHFGHLAIVFIWLSGAFFHGARFSNYSGWLADPTHVKASAQV
HHHHHCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCCCCCCCCCCCCEE
VWPIVGQEIMNADVGAGFNGIQITSGIFQMWRAWGITSETELMALATGALIMAGLVLHGG
EEHHHHHHHHCCCCCCCCCCEEHHHHHHHHHHHHCCCCCCHHHHHHHHHHHHHHHHHHCC
IFHYHKAAPKLEWFKKIESMLQHHQIGLFGLGSLGWTGHLIHVANPTNALLDAIDAGTPM
HHHHHHCCCHHHHHHHHHHHHHHHCCCEEECCCCCCCEEEEEECCCHHHHHHHHCCCCCE
VLDGKTIATAADIPLPHELYNADLVGQIYPGLASGIGNFFSANWWAFSDFLTNNGGVNPV
EECCCEEEEECCCCCCHHHHCCCHHHHHHHHHHHHHHHHHCCCCEEEHHHHCCCCCCCCC
TGALWSTDVAHHHLAWAVFLMFGGHVYRSRFGIGHSMKEIMGNVKGDPLLFPAPNGHKGL
CCHHHHHHHHHHHHHHHHHHHHCCHHHHHHHCCCHHHHHHHCCCCCCEEEEECCCCCHHH
FEFLSNSWHAQLAVNLACIGSGSIVVAHHMYSLPPYPYLATDYPTVLGLFTHHMWIGGLM
HHHHCCCCEEEEEEEEEEECCCCEEEEEEHHCCCCCCEECCCHHHHHHHHHHHHHHHHHH
ICGAAAHAGIAVIRDYDVSVHVDNVLDRMFKARDAIISHLNWVCMFLGFHSFGLYIHNDS
HHHHHHHCCEEEEEECCCEEEHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHEEEEEECCC
MRALGRSQDMFSDSAIQLQPVLAQWIQSLWASSIGTSSVVGTTTGLPGAVSDVFNGGVVA
HHHHCCCCCCCCCCCEEEHHHHHHHHHHHHHHCCCCCCCCCCCCCCCHHHHHHHCCCEEE
VGGKVALMAIPLGTADLMIHHIHAFTIHVTCLILLKGVLFARSSRLVPDKANLGFRFSCD
ECCEEEEEEECCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCCCEEEECC
GPGRGGTCQVSSWDHVFLGLFWMYNSLSMVIFYFSWKMQSDVWGTVNSDGSVTHLVSGNF
CCCCCCEEEECCCCHHHHHHHHHHHHHHEEEEEEEEEECCCCCEEECCCCCEEEEECCCC
AQSAITVNGWFRDFLWAQSSQVLTSYGTGLSGYGLLFLGGHFVWAFSLMFLFSGRGYWQE
CCCEEEECHHHHHHHHHCCCHHHHHHCCCCCCCEEEEEHHHHHHHHHHHHHHCCCCHHHH
LFESIIWAHNKLKLAPTIQPRALSITQGRAVGVTHFLFGGIVTTWAFFHARLLGLG
HHHHHHHCCCCEEECCCCCCCEEEEECCCCHHHHHHHHHHHHHHHHHHHHHHHCCH
>Mature Secondary Structure 
TISPPERGEKAKPIYDQPVDRDHVPADFEKFEQPGFFSKSLAKGPNSTTWIWNLHADAH
CCCCCCCCCCCCCCCCCCCCCCCCCCCHHHHCCCCCCHHHHHCCCCCCEEEEEECCCCC
DFDTHIGDLEETSRKIFSAHFGHLAIVFIWLSGAFFHGARFSNYSGWLADPTHVKASAQV
HHHHHCCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCCCCCCCCCCCCEE
VWPIVGQEIMNADVGAGFNGIQITSGIFQMWRAWGITSETELMALATGALIMAGLVLHGG
EEHHHHHHHHCCCCCCCCCCEEHHHHHHHHHHHHCCCCCCHHHHHHHHHHHHHHHHHHCC
IFHYHKAAPKLEWFKKIESMLQHHQIGLFGLGSLGWTGHLIHVANPTNALLDAIDAGTPM
HHHHHHCCCHHHHHHHHHHHHHHHCCCEEECCCCCCCEEEEEECCCHHHHHHHHCCCCCE
VLDGKTIATAADIPLPHELYNADLVGQIYPGLASGIGNFFSANWWAFSDFLTNNGGVNPV
EECCCEEEEECCCCCCHHHHCCCHHHHHHHHHHHHHHHHHCCCCEEEHHHHCCCCCCCCC
TGALWSTDVAHHHLAWAVFLMFGGHVYRSRFGIGHSMKEIMGNVKGDPLLFPAPNGHKGL
CCHHHHHHHHHHHHHHHHHHHHCCHHHHHHHCCCHHHHHHHCCCCCCEEEEECCCCCHHH
FEFLSNSWHAQLAVNLACIGSGSIVVAHHMYSLPPYPYLATDYPTVLGLFTHHMWIGGLM
HHHHCCCCEEEEEEEEEEECCCCEEEEEEHHCCCCCCEECCCHHHHHHHHHHHHHHHHHH
ICGAAAHAGIAVIRDYDVSVHVDNVLDRMFKARDAIISHLNWVCMFLGFHSFGLYIHNDS
HHHHHHHCCEEEEEECCCEEEHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHEEEEEECCC
MRALGRSQDMFSDSAIQLQPVLAQWIQSLWASSIGTSSVVGTTTGLPGAVSDVFNGGVVA
HHHHCCCCCCCCCCCEEEHHHHHHHHHHHHHHCCCCCCCCCCCCCCCHHHHHHHCCCEEE
VGGKVALMAIPLGTADLMIHHIHAFTIHVTCLILLKGVLFARSSRLVPDKANLGFRFSCD
ECCEEEEEEECCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCCCEEEECC
GPGRGGTCQVSSWDHVFLGLFWMYNSLSMVIFYFSWKMQSDVWGTVNSDGSVTHLVSGNF
CCCCCCEEEECCCCHHHHHHHHHHHHHHEEEEEEEEEECCCCCEEECCCCCEEEEECCCC
AQSAITVNGWFRDFLWAQSSQVLTSYGTGLSGYGLLFLGGHFVWAFSLMFLFSGRGYWQE
CCCEEEECHHHHHHHHHCCCHHHHHHCCCCCCCEEEEEHHHHHHHHHHHHHHCCCCHHHH
LFESIIWAHNKLKLAPTIQPRALSITQGRAVGVTHFLFGGIVTTWAFFHARLLGLG
HHHHHHHCCCCEEECCCCCCCEEEEECCCCHHHHHHHHHHHHHHHHHHHHHHHCCH

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