Definition Trichodesmium erythraeum IMS101 chromosome, complete genome.
Accession NC_008312
Length 7,750,108

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The map label for this gene is psaA

Identifier: 113478049

GI number: 113478049

Start: 7178626

End: 7180887

Strand: Reverse

Name: psaA

Synonym: Tery_4669

Alternate gene names: 113478049

Gene position: 7180887-7178626 (Counterclockwise)

Preceding gene: 113478051

Following gene: 113478048

Centisome position: 92.66

GC content: 43.55

Gene sequence:

>2262_bases
ATGACCATAAGTCCTCCAGAGCGTGAGGCAAAAGTAAGAGTAACTGTTGATACTGACCCTGTACCTACTTCTTTTGAAAA
GTGGGGGAAACCTGGTCACTTCAGTCGGTCTCTAGCCAGAGGACCAAAAACCACTACCTGGATTTGGAACCTCCATGCTG
ACGCTCACGACTTTGATAGTCACACTTCTGATTTAGAAGATGTATCGCGCAAAATCTTCAGCGCACACTTTGGTCACCTG
GCCATAATCTTTGTCTGGTTGAGTGGCGCATATTTTCATGGCGCTAAATTTTCCAACTATGAAGCTTGGTTAGCAGACCC
TACAGGAATTAAACCAAGTGCTCAAGTTGTATGGCCAGTTTTAGGCCAGGGCATCTTAAATGGTGATATGGGTGGTGGTT
TCCATGGCATCCAAATTACTTCCGGATTATTCCAATTATGGCGCGCTTCTGGCATCACTAATGAGTACCAACTATACTGC
ACGGCTATCGGTGGCTTAGTAATGGCAGCCCTGATGATGTTTGCAGGTTGGTTCCATTATCATAAGAAAGCACCGAAATT
GGAATGGTTCCAGAATGTGGAATCAATGATGAACCATCACTTAGCAGGCTTACTAGGTTTAGGTTGCCTGTCTTGGGCAG
GCCACCAGATTCATGTTTCTTTGCCTATTAATAAGTTATTAGATTCTGGGGTAGCACCAGAGGATATTCCTCTACCTCAT
GAATTTCTATTTAATAAAAGCTTGATGGCAGAGTTGTACCCTAGTTTTGCCAAAGGTTTAACCCCATTCTTTACATTGAA
TTGGGGTGAATATGCTGATTTCCTGACCTTTAAAGGTGGTTTAAACCCTGTAACAGGTGGCTTGTGGTTATCTGATACAG
CTCATCATCATTTAGCACTAGCAGTATTATTCATAGTTGCTGGCCATATGTACCGGACAAATTGGGGCATTGGTCACAGC
ATGAAAGAAATTTTAGAAGCTCATAAAGATCCACTCATAATTGGTGGTGAAGGTCATAAAGGTCTATATGAAGCTTTAAC
AACTTCCTGGCACGCCCAGTTAGCAATTAACTTGGCTATGCTAGGATCTCTTAGCATCATTGTGGCACATCACATGTATG
CAATGCCACCGTATCCCTATATTGCGACTGACTACCCAACTCAGTTATCTCTGTTCACTCACCATATGTGGATTGGAGGA
TTCCTGATTGTGGGAGCTGGAGCTCATGGTGCTATTTTTATGGTGCGGGATTATGATCCAGCAAAGAATGTTAACAACGT
GTTGGATCGAGTCATTCGTCACCGGGATGCAATTATCTCTCACCTGAACTGGGTTTGTATTTTCCTGGGCTTCCATAGCT
TCGGATTATACGTTCATAATGATACTCTGCGGGCTTTAGGTCGTCCCCAGGATATGTTCTCTGATACTGGTATTCAACTA
CAGCCAATCTTTGCTCAGTGGGTACAAAATCTTCATAGTTTAGCTCCTGGCAATACTGCTCCTAATGCTTTAGCATCCGT
CAGCCCAATTTTTGGTGGCGATGTATTAGCAGTAGGTGGCAAAGTGGCAATGATGCCAATGACCTTGGGTACGGCGGACT
TTATGGTGCACCATATCCATGCCTTTACAATCCATGTTACAGCCCTGATTCTTCTTAAAGGTGTACTGTATGCTCGTAAC
TCTCGACTAATTCCAGATAAGAGTGAACTAGGCTTCCGATTCCCTTGTGATGGTCCTGGTCGTGGTGGTACTTGTCAAGT
TTCTGGTTGGGACCATGTATTCTTGGGTCTTTTCTGGATGTATAATTCACTGTCAATTGTGATTTTTCACTTTAGTTGGA
AGATGCAGTCAGATGTCTGGGGAACAGTAGATCCAGATGGTACAGTGAGTCACATTACTTACGGCAACTTTGCCCAAAGT
GCAGTTACTATCAATGGTTGGTTGCGTGACTTCTTGTGGGCACAAGCTTCAAACGTAATTACATCATACGGTTCAGAATT
ATCTGCATACGGTTTGTTATTCCTTGGCGCACACTTTATTTGGGCATTTAGCTTAATGTTCTTGTTTAGTGGTCGTGGGT
ACTGGCAAGAGTTGATAGAGTCTATAGTTTGGGCTCATAATAAGTTAAAGGTTGCTCCAGCAATTCAGCCTCGTGCTTTA
AGCATAACCCAGGGTAGAGCAGTAGGAGTAGCTCATTATCTCCTCGGCGGAATTGTCACAACCTGGGCATTCTTCCTAGC
TCGAATAATTGCAGTAGGATAG

Upstream 100 bases:

>100_bases
TCTGTAAACTTGCAAAAGATATTGATAATTCTTTACAACTTTTATCAGCTTCTACAACATCAATAATTTAGTTAATTGTC
TTTGGGAGAGGAGAGTCTTC

Downstream 100 bases:

>100_bases
AATGCAATAGCATATTAAGATTCTTCCTTGGGGATTGACTTATCCTCAATCCCCAACTTAATCTTTCAAGGGGTCTCCCG
TTATAAAGTACTAGTAAAAA

Product: photosystem I P700 chlorophyll a apoprotein A1

Products: NA

Alternate protein names: PsaA

Number of amino acids: Translated: 753; Mature: 752

Protein sequence:

>753_residues
MTISPPEREAKVRVTVDTDPVPTSFEKWGKPGHFSRSLARGPKTTTWIWNLHADAHDFDSHTSDLEDVSRKIFSAHFGHL
AIIFVWLSGAYFHGAKFSNYEAWLADPTGIKPSAQVVWPVLGQGILNGDMGGGFHGIQITSGLFQLWRASGITNEYQLYC
TAIGGLVMAALMMFAGWFHYHKKAPKLEWFQNVESMMNHHLAGLLGLGCLSWAGHQIHVSLPINKLLDSGVAPEDIPLPH
EFLFNKSLMAELYPSFAKGLTPFFTLNWGEYADFLTFKGGLNPVTGGLWLSDTAHHHLALAVLFIVAGHMYRTNWGIGHS
MKEILEAHKDPLIIGGEGHKGLYEALTTSWHAQLAINLAMLGSLSIIVAHHMYAMPPYPYIATDYPTQLSLFTHHMWIGG
FLIVGAGAHGAIFMVRDYDPAKNVNNVLDRVIRHRDAIISHLNWVCIFLGFHSFGLYVHNDTLRALGRPQDMFSDTGIQL
QPIFAQWVQNLHSLAPGNTAPNALASVSPIFGGDVLAVGGKVAMMPMTLGTADFMVHHIHAFTIHVTALILLKGVLYARN
SRLIPDKSELGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMYNSLSIVIFHFSWKMQSDVWGTVDPDGTVSHITYGNFAQS
AVTINGWLRDFLWAQASNVITSYGSELSAYGLLFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAIQPRAL
SITQGRAVGVAHYLLGGIVTTWAFFLARIIAVG

Sequences:

>Translated_753_residues
MTISPPEREAKVRVTVDTDPVPTSFEKWGKPGHFSRSLARGPKTTTWIWNLHADAHDFDSHTSDLEDVSRKIFSAHFGHL
AIIFVWLSGAYFHGAKFSNYEAWLADPTGIKPSAQVVWPVLGQGILNGDMGGGFHGIQITSGLFQLWRASGITNEYQLYC
TAIGGLVMAALMMFAGWFHYHKKAPKLEWFQNVESMMNHHLAGLLGLGCLSWAGHQIHVSLPINKLLDSGVAPEDIPLPH
EFLFNKSLMAELYPSFAKGLTPFFTLNWGEYADFLTFKGGLNPVTGGLWLSDTAHHHLALAVLFIVAGHMYRTNWGIGHS
MKEILEAHKDPLIIGGEGHKGLYEALTTSWHAQLAINLAMLGSLSIIVAHHMYAMPPYPYIATDYPTQLSLFTHHMWIGG
FLIVGAGAHGAIFMVRDYDPAKNVNNVLDRVIRHRDAIISHLNWVCIFLGFHSFGLYVHNDTLRALGRPQDMFSDTGIQL
QPIFAQWVQNLHSLAPGNTAPNALASVSPIFGGDVLAVGGKVAMMPMTLGTADFMVHHIHAFTIHVTALILLKGVLYARN
SRLIPDKSELGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMYNSLSIVIFHFSWKMQSDVWGTVDPDGTVSHITYGNFAQS
AVTINGWLRDFLWAQASNVITSYGSELSAYGLLFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAIQPRAL
SITQGRAVGVAHYLLGGIVTTWAFFLARIIAVG
>Mature_752_residues
TISPPEREAKVRVTVDTDPVPTSFEKWGKPGHFSRSLARGPKTTTWIWNLHADAHDFDSHTSDLEDVSRKIFSAHFGHLA
IIFVWLSGAYFHGAKFSNYEAWLADPTGIKPSAQVVWPVLGQGILNGDMGGGFHGIQITSGLFQLWRASGITNEYQLYCT
AIGGLVMAALMMFAGWFHYHKKAPKLEWFQNVESMMNHHLAGLLGLGCLSWAGHQIHVSLPINKLLDSGVAPEDIPLPHE
FLFNKSLMAELYPSFAKGLTPFFTLNWGEYADFLTFKGGLNPVTGGLWLSDTAHHHLALAVLFIVAGHMYRTNWGIGHSM
KEILEAHKDPLIIGGEGHKGLYEALTTSWHAQLAINLAMLGSLSIIVAHHMYAMPPYPYIATDYPTQLSLFTHHMWIGGF
LIVGAGAHGAIFMVRDYDPAKNVNNVLDRVIRHRDAIISHLNWVCIFLGFHSFGLYVHNDTLRALGRPQDMFSDTGIQLQ
PIFAQWVQNLHSLAPGNTAPNALASVSPIFGGDVLAVGGKVAMMPMTLGTADFMVHHIHAFTIHVTALILLKGVLYARNS
RLIPDKSELGFRFPCDGPGRGGTCQVSGWDHVFLGLFWMYNSLSIVIFHFSWKMQSDVWGTVDPDGTVSHITYGNFAQSA
VTINGWLRDFLWAQASNVITSYGSELSAYGLLFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAIQPRALS
ITQGRAVGVAHYLLGGIVTTWAFFLARIIAVG

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_TRIEI (Q10VT7)

Other databases:

- EMBL:   CP000393
- RefSeq:   YP_724110.1
- ProteinModelPortal:   Q10VT7
- SMR:   Q10VT7
- STRING:   Q10VT7
- GeneID:   4246323
- GenomeReviews:   CP000393_GR
- KEGG:   ter:Tery_4669
- NMPDR:   fig|203124.1.peg.4401
- eggNOG:   NOG05023
- HOGENOM:   HBG284930
- OMA:   FSAHFGH
- ProtClustDB:   PRK13200
- BioCyc:   TERY203124:TERY_4669-MONOMER
- 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: 83322; Mature: 83191

Theoretical pI: Translated: 7.34; Mature: 7.34

Prosite motif: PS00419 PHOTOSYSTEM_I_PSAAB

Important sites: BINDING 694-694 BINDING 695-695

Signals:

None

Transmembrane regions:

HASH(0x1c1150f4)-; HASH(0x1aa7c4cc)-; HASH(0x4051f578)-; HASH(0x1a675cb4)-; HASH(0x1bb33140)-; HASH(0x19642300)-; HASH(0x1c5f3ccc)-; HASH(0x18477b18)-; HASH(0x1a626360)-; HASH(0x1bab25a8)-; HASH(0x1bb37fb8)-;

Cys/Met content:

0.7 %Cys     (Translated Protein)
3.1 %Met     (Translated Protein)
3.7 %Cys+Met (Translated Protein)
0.7 %Cys     (Mature Protein)
2.9 %Met     (Mature Protein)
3.6 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MTISPPEREAKVRVTVDTDPVPTSFEKWGKPGHFSRSLARGPKTTTWIWNLHADAHDFDS
CCCCCCCCCCEEEEEECCCCCCCCHHHCCCCCCCHHHHHCCCCCEEEEEEECCCCCCCCC
HTSDLEDVSRKIFSAHFGHLAIIFVWLSGAYFHGAKFSNYEAWLADPTGIKPSAQVVWPV
CCCHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCCCEEEECCCCCCCCCCEEHHHH
LGQGILNGDMGGGFHGIQITSGLFQLWRASGITNEYQLYCTAIGGLVMAALMMFAGWFHY
HCCCCCCCCCCCCEEHHHHHHHHHHHHHHCCCCCCCEEHHHHHHHHHHHHHHHHHHHHHH
HKKAPKLEWFQNVESMMNHHLAGLLGLGCLSWAGHQIHVSLPINKLLDSGVAPEDIPLPH
HCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHCCCCEEEEECCHHHHHHCCCCCCCCCCCH
EFLFNKSLMAELYPSFAKGLTPFFTLNWGEYADFLTFKGGLNPVTGGLWLSDTAHHHLAL
HHHHCHHHHHHHHHHHHCCCCCEEEECCHHHHHHEEECCCCCCCCCCEEECCCCHHHHHH
AVLFIVAGHMYRTNWGIGHSMKEILEAHKDPLIIGGEGHKGLYEALTTSWHAQLAINLAM
HHHHHHHCCCEECCCCCCHHHHHHHHHCCCCEEECCCCCCHHHHHHHHCHHHHHHHHHHH
LGSLSIIVAHHMYAMPPYPYIATDYPTQLSLFTHHMWIGGFLIVGAGAHGAIFMVRDYDP
HHHHHHHHHHHHHCCCCCCEEECCCCCHHHHHHHHHHHCCEEEEECCCCCEEEEEECCCC
AKNVNNVLDRVIRHRDAIISHLNWVCIFLGFHSFGLYVHNDTLRALGRPQDMFSDTGIQL
CCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCEEEEECCHHHHCCCCHHHHCCCCCEE
QPIFAQWVQNLHSLAPGNTAPNALASVSPIFGGDVLAVGGKVAMMPMTLGTADFMVHHIH
EHHHHHHHHHHHHCCCCCCCCCHHHHCCCCCCCCEEEECCEEEEEEEECCHHHHHHHHHH
AFTIHVTALILLKGVLYARNSRLIPDKSELGFRFPCDGPGRGGTCQVSGWDHVFLGLFWM
HHHHHHHHHHHHHHHHHHCCCCCCCCHHHCCEECCCCCCCCCCEEEECCCCHHHHHHHHH
YNSLSIVIFHFSWKMQSDVWGTVDPDGTVSHITYGNFAQSAVTINGWLRDFLWAQASNVI
HCCCEEEEEEEEEEECCCCCCCCCCCCCEEEEECCCHHCCEEEHHHHHHHHHHHHHHHHH
TSYGSELSAYGLLFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAIQPRAL
HHHCCHHHHHHHHHHHHHHHHHHHHHHHHCCCCHHHHHHHHHHHCCCCEEECCCCCCCEE
SITQGRAVGVAHYLLGGIVTTWAFFLARIIAVG
EEECCCHHHHHHHHHHHHHHHHHHHHHHHHHCH
>Mature Secondary Structure 
TISPPEREAKVRVTVDTDPVPTSFEKWGKPGHFSRSLARGPKTTTWIWNLHADAHDFDS
CCCCCCCCCEEEEEECCCCCCCCHHHCCCCCCCHHHHHCCCCCEEEEEEECCCCCCCCC
HTSDLEDVSRKIFSAHFGHLAIIFVWLSGAYFHGAKFSNYEAWLADPTGIKPSAQVVWPV
CCCHHHHHHHHHHHHHHHHHHHHHHHHCCCCCCCCCCCCCEEEECCCCCCCCCCEEHHHH
LGQGILNGDMGGGFHGIQITSGLFQLWRASGITNEYQLYCTAIGGLVMAALMMFAGWFHY
HCCCCCCCCCCCCEEHHHHHHHHHHHHHHCCCCCCCEEHHHHHHHHHHHHHHHHHHHHHH
HKKAPKLEWFQNVESMMNHHLAGLLGLGCLSWAGHQIHVSLPINKLLDSGVAPEDIPLPH
HCCCCCHHHHHHHHHHHHHHHHHHHHHHHHHCCCCEEEEECCHHHHHHCCCCCCCCCCCH
EFLFNKSLMAELYPSFAKGLTPFFTLNWGEYADFLTFKGGLNPVTGGLWLSDTAHHHLAL
HHHHCHHHHHHHHHHHHCCCCCEEEECCHHHHHHEEECCCCCCCCCCEEECCCCHHHHHH
AVLFIVAGHMYRTNWGIGHSMKEILEAHKDPLIIGGEGHKGLYEALTTSWHAQLAINLAM
HHHHHHHCCCEECCCCCCHHHHHHHHHCCCCEEECCCCCCHHHHHHHHCHHHHHHHHHHH
LGSLSIIVAHHMYAMPPYPYIATDYPTQLSLFTHHMWIGGFLIVGAGAHGAIFMVRDYDP
HHHHHHHHHHHHHCCCCCCEEECCCCCHHHHHHHHHHHCCEEEEECCCCCEEEEEECCCC
AKNVNNVLDRVIRHRDAIISHLNWVCIFLGFHSFGLYVHNDTLRALGRPQDMFSDTGIQL
CCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCEEEEECCHHHHCCCCHHHHCCCCCEE
QPIFAQWVQNLHSLAPGNTAPNALASVSPIFGGDVLAVGGKVAMMPMTLGTADFMVHHIH
EHHHHHHHHHHHHCCCCCCCCCHHHHCCCCCCCCEEEECCEEEEEEEECCHHHHHHHHHH
AFTIHVTALILLKGVLYARNSRLIPDKSELGFRFPCDGPGRGGTCQVSGWDHVFLGLFWM
HHHHHHHHHHHHHHHHHHCCCCCCCCHHHCCEECCCCCCCCCCEEEECCCCHHHHHHHHH
YNSLSIVIFHFSWKMQSDVWGTVDPDGTVSHITYGNFAQSAVTINGWLRDFLWAQASNVI
HCCCEEEEEEEEEEECCCCCCCCCCCCCEEEEECCCHHCCEEEHHHHHHHHHHHHHHHHH
TSYGSELSAYGLLFLGAHFIWAFSLMFLFSGRGYWQELIESIVWAHNKLKVAPAIQPRAL
HHHCCHHHHHHHHHHHHHHHHHHHHHHHHCCCCHHHHHHHHHHHCCCCEEECCCCCCCEE
SITQGRAVGVAHYLLGGIVTTWAFFLARIIAVG
EEECCCHHHHHHHHHHHHHHHHHHHHHHHHHCH

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