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 psaB

Identifier: 113478048

GI number: 113478048

Start: 7176127

End: 7178343

Strand: Reverse

Name: psaB

Synonym: Tery_4668

Alternate gene names: 113478048

Gene position: 7178343-7176127 (Counterclockwise)

Preceding gene: 113478049

Following gene: 113478046

Centisome position: 92.62

GC content: 43.03

Gene sequence:

>2217_bases
ATGGCAACAAAATTCCCAAAATTTAGCCAAGACCTGGCACAAGATCCAACCACCCGTCGGATCTGGTATGGAATTGCTAC
AGCCCATGACTTTGAAACCCACGATGGCATGACAGAGGAAAATCTTTATCAAAAGATTTTTGCTTCTCACTTTGGCCATC
TAGCAATCATTTTCCTCTGGACTTCTGGTAGCCTCTTCCACGTGGCTTGGCAAGGAAACTTTGAACAGTGGATTAAAGAT
CCTCTGAATGTACGTCCCATCGCTCATGCGATTTGGGATCCTCAATTTGGTCAAGAGGCCGTAGATGCCTTCACCCAAGC
TGGAGCCTCTAATCCAGTAAATATAGCCTATTCTGGTGTTTACCATTGGTGGTACACTATCGGCATGAGAACAAATGGAG
ACTTATATCAGGGTTCTATTTTTCTCCTGATATTAGCATCCATCATGCTGTTTGCTGGTTGGTTACACCTCCAGCCTAAG
TTTAGTCCTAGCCTAGCATGGTTCAAAAATGCTGAGTCCCGCCTCAATCACCATTTGGCAGGTCTATTCGGTGTTAGTTC
CTTAGCTTGGACTGGTCACTTGGTTCACGTTGCAATTCCTGAATCTCGTGGACAGCACGTTGGTTGGGATAACTTCCTGA
CGACTATGCCTCACCCAGCAGGTTTAGGTCCCTTCTTTACAGGAAATTGGGGCGTTTATGCTCAAAATCCTGATACCGTT
AACCATGTGTTTGGTACTTCTGAAGGTGCGGGAACTGCAATTTTGACTTTCTTGGGTGGTTTCCATCCTCAAACTGAGTC
CCTGTGGTTGACTGATATGGCTCATCACCACTTGGCGATCGCAGTTATCTTCATAATTGCTGGTCATATGTACCGCACTA
ACTTTGGTATTGGTCACAGTATCAAAGAAATGCTTGATTCCAAAGCTGGTTTAATTGGTGGAAAAAGTCAAGGTCAGTTT
AACTTGCCTCACCAAGGGTTATATGAAACTCTAAATAACTCTCTACATTTCCAGTTAGCATTAGCTCTAGCTTCTCTTGG
TGTAATTACTTCCTTGGTAGCACAGCACATGTATGCTCTGCCTCCTTATGCTTTTATGGCAAGGGATTACACTACAATGG
CAGCACTTTACACCCACCATCAGTATATTGCTGGTTTCATTATGGTAGGTGCATTTGCTCATGGTGCGATTTTCCTAGTA
CGGGATTACGATCCTGAGCAAAATAAAGGTAATGTTCTCGATCGTGTCTTGAATCACAAAGAGGCTATCATATCTCACTT
GAGTTGGGTTTCTTTATTCTTAGGATTCCATACTCTAGGTCTTTATGTCCATAATGATGTAATGGTAGCTTTCGGCACTC
CTGAAAAGCAAATCTTGATTGAACCGGTATTTGCTCAGTTCGTTCAGGCTGCTTCCGGGAAGGCTTTATATGGCATGGAT
GTTCTGTTATCTAACTCTGATAGTCTTGCTTCCACTGCTGGTGCTGTATGGTTACCAAATTGGTTAGAAGCTATCAATAG
TGGTACAAATTCTCTGTTTTTAACCATTGGACCCGGAGATTTCTTGGTTCACCATGCCATTGCTCTAGGTTTGCATACAA
CAACTTTAATTTTGGTTAAAGGTGCATTGGATGCTCGTGGTTCTAAGTTAATGCCAGACAAGAAAGACTTCGGTTATGCA
TTCCCTTGTGATGGCCCTGGTCGTGGTGGTACTTGCGATATCTCTGCTTGGGACTCCTTCTATCTAGCTATGTTCTGGAT
GTTAAACACCATTGGTTGGGTAACATTTTACTGGCACTGGAAAAACTTGTCTGTATGGCAAGAGAACTTGGCTCAGTTTA
ATCAATCTTCTACTTATTTGATGGGTTGGTTGCGTGATTATCTGTGGTTGAACTCTTCCCAGTTAATTAACGGTTATAAC
CCTTATGGAACTAGTAACTTGTCTGTTTGGGCTTGGATGTTCTTATTCGGACACCTAGTTTGGGCAACTGGTTTCATGTT
CCTCATCTCTTGGCGTGGTTACTGGCAAGAGCTAATCGAAACTATTGTTTGGGCACATGAGCGTACTCCTCTAGCTAACT
TGGTTCGCTGGAAAGATAAGCCTGTTGCTCTTTCTATTGTTCAAGCTCGTGTTGTTGGCTTAGCTCACTTTACTATTGGC
TATGTTCTGACTTACGCCGCATTTTTGATAGCTTCTACTGCTGGTAAGTTTGGTTAA

Upstream 100 bases:

>100_bases
TGAGAAAAATACCATTATACCTTTTACGATTTAACGGTGGCAAAACCCTAATTCAATCTAAATTCTCTTAAATATCTGCG
AGACTTAGATATAAAGATCT

Downstream 100 bases:

>100_bases
TTTTTAGAGACTAGCTGAACTCTTTTTTAGTAGGTTAGATTAAGTTAAACCTCCTGCTTTTAGTAGGGGGTTTTTTTGTG
AAAAATATTAAGTATTACGT

Product: photosystem I P700 chlorophyll a apoprotein A2

Products: NA

Alternate protein names: PsaB

Number of amino acids: Translated: 738; Mature: 737

Protein sequence:

>738_residues
MATKFPKFSQDLAQDPTTRRIWYGIATAHDFETHDGMTEENLYQKIFASHFGHLAIIFLWTSGSLFHVAWQGNFEQWIKD
PLNVRPIAHAIWDPQFGQEAVDAFTQAGASNPVNIAYSGVYHWWYTIGMRTNGDLYQGSIFLLILASIMLFAGWLHLQPK
FSPSLAWFKNAESRLNHHLAGLFGVSSLAWTGHLVHVAIPESRGQHVGWDNFLTTMPHPAGLGPFFTGNWGVYAQNPDTV
NHVFGTSEGAGTAILTFLGGFHPQTESLWLTDMAHHHLAIAVIFIIAGHMYRTNFGIGHSIKEMLDSKAGLIGGKSQGQF
NLPHQGLYETLNNSLHFQLALALASLGVITSLVAQHMYALPPYAFMARDYTTMAALYTHHQYIAGFIMVGAFAHGAIFLV
RDYDPEQNKGNVLDRVLNHKEAIISHLSWVSLFLGFHTLGLYVHNDVMVAFGTPEKQILIEPVFAQFVQAASGKALYGMD
VLLSNSDSLASTAGAVWLPNWLEAINSGTNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKDFGYA
FPCDGPGRGGTCDISAWDSFYLAMFWMLNTIGWVTFYWHWKNLSVWQENLAQFNQSSTYLMGWLRDYLWLNSSQLINGYN
PYGTSNLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETIVWAHERTPLANLVRWKDKPVALSIVQARVVGLAHFTIG
YVLTYAAFLIASTAGKFG

Sequences:

>Translated_738_residues
MATKFPKFSQDLAQDPTTRRIWYGIATAHDFETHDGMTEENLYQKIFASHFGHLAIIFLWTSGSLFHVAWQGNFEQWIKD
PLNVRPIAHAIWDPQFGQEAVDAFTQAGASNPVNIAYSGVYHWWYTIGMRTNGDLYQGSIFLLILASIMLFAGWLHLQPK
FSPSLAWFKNAESRLNHHLAGLFGVSSLAWTGHLVHVAIPESRGQHVGWDNFLTTMPHPAGLGPFFTGNWGVYAQNPDTV
NHVFGTSEGAGTAILTFLGGFHPQTESLWLTDMAHHHLAIAVIFIIAGHMYRTNFGIGHSIKEMLDSKAGLIGGKSQGQF
NLPHQGLYETLNNSLHFQLALALASLGVITSLVAQHMYALPPYAFMARDYTTMAALYTHHQYIAGFIMVGAFAHGAIFLV
RDYDPEQNKGNVLDRVLNHKEAIISHLSWVSLFLGFHTLGLYVHNDVMVAFGTPEKQILIEPVFAQFVQAASGKALYGMD
VLLSNSDSLASTAGAVWLPNWLEAINSGTNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKDFGYA
FPCDGPGRGGTCDISAWDSFYLAMFWMLNTIGWVTFYWHWKNLSVWQENLAQFNQSSTYLMGWLRDYLWLNSSQLINGYN
PYGTSNLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETIVWAHERTPLANLVRWKDKPVALSIVQARVVGLAHFTIG
YVLTYAAFLIASTAGKFG
>Mature_737_residues
ATKFPKFSQDLAQDPTTRRIWYGIATAHDFETHDGMTEENLYQKIFASHFGHLAIIFLWTSGSLFHVAWQGNFEQWIKDP
LNVRPIAHAIWDPQFGQEAVDAFTQAGASNPVNIAYSGVYHWWYTIGMRTNGDLYQGSIFLLILASIMLFAGWLHLQPKF
SPSLAWFKNAESRLNHHLAGLFGVSSLAWTGHLVHVAIPESRGQHVGWDNFLTTMPHPAGLGPFFTGNWGVYAQNPDTVN
HVFGTSEGAGTAILTFLGGFHPQTESLWLTDMAHHHLAIAVIFIIAGHMYRTNFGIGHSIKEMLDSKAGLIGGKSQGQFN
LPHQGLYETLNNSLHFQLALALASLGVITSLVAQHMYALPPYAFMARDYTTMAALYTHHQYIAGFIMVGAFAHGAIFLVR
DYDPEQNKGNVLDRVLNHKEAIISHLSWVSLFLGFHTLGLYVHNDVMVAFGTPEKQILIEPVFAQFVQAASGKALYGMDV
LLSNSDSLASTAGAVWLPNWLEAINSGTNSLFLTIGPGDFLVHHAIALGLHTTTLILVKGALDARGSKLMPDKKDFGYAF
PCDGPGRGGTCDISAWDSFYLAMFWMLNTIGWVTFYWHWKNLSVWQENLAQFNQSSTYLMGWLRDYLWLNSSQLINGYNP
YGTSNLSVWAWMFLFGHLVWATGFMFLISWRGYWQELIETIVWAHERTPLANLVRWKDKPVALSIVQARVVGLAHFTIGY
VLTYAAFLIASTAGKFG

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_TRIEI (Q10VT8)

Other databases:

- EMBL:   CP000393
- RefSeq:   YP_724109.1
- ProteinModelPortal:   Q10VT8
- SMR:   Q10VT8
- STRING:   Q10VT8
- GeneID:   4246322
- GenomeReviews:   CP000393_GR
- KEGG:   ter:Tery_4668
- NMPDR:   fig|203124.1.peg.4400
- eggNOG:   NOG04867
- HOGENOM:   HBG284930
- OMA:   FTGNWGV
- ProtClustDB:   PRK13199
- BioCyc:   TERY203124:TERY_4668-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: 82434; Mature: 82303

Theoretical pI: Translated: 6.94; Mature: 6.94

Prosite motif: PS00419 PHOTOSYSTEM_I_PSAAB

Important sites: BINDING 674-674 BINDING 675-675

Signals:

None

Transmembrane regions:

HASH(0x1be80fec)-; HASH(0x1c12102c)-; HASH(0x1bcd7d00)-; HASH(0x4051458c)-; HASH(0x1ca69504)-; HASH(0x1bda6d54)-; HASH(0x1bbdd978)-; HASH(0x405171e4)-; HASH(0x1ca5dbe8)-; HASH(0x1cd0eab8)-; HASH(0x1c5cfe98)-;

Cys/Met content:

0.3 %Cys     (Translated Protein)
2.7 %Met     (Translated Protein)
3.0 %Cys+Met (Translated Protein)
0.3 %Cys     (Mature Protein)
2.6 %Met     (Mature Protein)
2.8 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MATKFPKFSQDLAQDPTTRRIWYGIATAHDFETHDGMTEENLYQKIFASHFGHLAIIFLW
CCCCCCCHHHHHHCCCCCCEEEEEEEECCCCCCCCCCCHHHHHHHHHHHCCCCEEEEEEE
TSGSLFHVAWQGNFEQWIKDPLNVRPIAHAIWDPQFGQEAVDAFTQAGASNPVNIAYSGV
ECCCEEEEEECCCHHHHHCCCCCCCHHHHHHCCCCCCHHHHHHHHHCCCCCCCEEEEEEE
YHWWYTIGMRTNGDLYQGSIFLLILASIMLFAGWLHLQPKFSPSLAWFKNAESRLNHHLA
EEEEEEEEECCCCCCCCCHHHHHHHHHHHHHHHHHEECCCCCCCHHHHHCHHHHHHHHHH
GLFGVSSLAWTGHLVHVAIPESRGQHVGWDNFLTTMPHPAGLGPFFTGNWGVYAQNPDTV
HHHHHHHHHHCCEEEEEEECCCCCCCCCCCHHHHCCCCCCCCCCCEECCCEEEECCCCCH
NHVFGTSEGAGTAILTFLGGFHPQTESLWLTDMAHHHLAIAVIFIIAGHMYRTNFGIGHS
HHHCCCCCCCCHHHHHHHCCCCCCCCCEEHHHHHHHHHHHHHHHHHHCHHHCCCCCCCHH
IKEMLDSKAGLIGGKSQGQFNLPHQGLYETLNNSLHFQLALALASLGVITSLVAQHMYAL
HHHHHHHCCCCCCCCCCCCCCCCHHHHHHHHCCCHHHHHHHHHHHHHHHHHHHHHHHHHC
PPYAFMARDYTTMAALYTHHQYIAGFIMVGAFAHGAIFLVRDYDPEQNKGNVLDRVLNHK
CCHHHHHCCHHHHHHHHHHHHHHHHHHHHHHHHCCEEEEEECCCCCCCCCHHHHHHHHHH
EAIISHLSWVSLFLGFHTLGLYVHNDVMVAFGTPEKQILIEPVFAQFVQAASGKALYGMD
HHHHHHHHHHHHHHHHHHHHEEEECCEEEEECCCCCCEEECHHHHHHHHHCCCCEEEEEE
VLLSNSDSLASTAGAVWLPNWLEAINSGTNSLFLTIGPGDFLVHHAIALGLHTTTLILVK
EEEECCCCHHHCCCCEECCHHHHHHCCCCCEEEEEECCCHHHHHHHHHHHHHHEEEEEEE
GALDARGSKLMPDKKDFGYAFPCDGPGRGGTCDISAWDSFYLAMFWMLNTIGWVTFYWHW
CCCCCCCCCCCCCCCCCCEECCCCCCCCCCEEECHHHHHHHHHHHHHHHHHCEEEEEEEE
KNLSVWQENLAQFNQSSTYLMGWLRDYLWLNSSQLINGYNPYGTSNLSVWAWMFLFGHLV
CCHHHHHHHHHHHCCCCHHHHHHHHHHHHCCCCHHCCCCCCCCCCCHHHHHHHHHHHHHH
WATGFMFLISWRGYWQELIETIVWAHERTPLANLVRWKDKPVALSIVQARVVGLAHFTIG
HHHHHHHHHHHHHHHHHHHHHHHHHCCCCCHHHHHHCCCCCHHHHHHHHHHHHHHHHHHH
YVLTYAAFLIASTAGKFG
HHHHHHHHHHHHHCCCCH
>Mature Secondary Structure 
ATKFPKFSQDLAQDPTTRRIWYGIATAHDFETHDGMTEENLYQKIFASHFGHLAIIFLW
CCCCCCHHHHHHCCCCCCEEEEEEEECCCCCCCCCCCHHHHHHHHHHHCCCCEEEEEEE
TSGSLFHVAWQGNFEQWIKDPLNVRPIAHAIWDPQFGQEAVDAFTQAGASNPVNIAYSGV
ECCCEEEEEECCCHHHHHCCCCCCCHHHHHHCCCCCCHHHHHHHHHCCCCCCCEEEEEEE
YHWWYTIGMRTNGDLYQGSIFLLILASIMLFAGWLHLQPKFSPSLAWFKNAESRLNHHLA
EEEEEEEEECCCCCCCCCHHHHHHHHHHHHHHHHHEECCCCCCCHHHHHCHHHHHHHHHH
GLFGVSSLAWTGHLVHVAIPESRGQHVGWDNFLTTMPHPAGLGPFFTGNWGVYAQNPDTV
HHHHHHHHHHCCEEEEEEECCCCCCCCCCCHHHHCCCCCCCCCCCEECCCEEEECCCCCH
NHVFGTSEGAGTAILTFLGGFHPQTESLWLTDMAHHHLAIAVIFIIAGHMYRTNFGIGHS
HHHCCCCCCCCHHHHHHHCCCCCCCCCEEHHHHHHHHHHHHHHHHHHCHHHCCCCCCCHH
IKEMLDSKAGLIGGKSQGQFNLPHQGLYETLNNSLHFQLALALASLGVITSLVAQHMYAL
HHHHHHHCCCCCCCCCCCCCCCCHHHHHHHHCCCHHHHHHHHHHHHHHHHHHHHHHHHHC
PPYAFMARDYTTMAALYTHHQYIAGFIMVGAFAHGAIFLVRDYDPEQNKGNVLDRVLNHK
CCHHHHHCCHHHHHHHHHHHHHHHHHHHHHHHHCCEEEEEECCCCCCCCCHHHHHHHHHH
EAIISHLSWVSLFLGFHTLGLYVHNDVMVAFGTPEKQILIEPVFAQFVQAASGKALYGMD
HHHHHHHHHHHHHHHHHHHHEEEECCEEEEECCCCCCEEECHHHHHHHHHCCCCEEEEEE
VLLSNSDSLASTAGAVWLPNWLEAINSGTNSLFLTIGPGDFLVHHAIALGLHTTTLILVK
EEEECCCCHHHCCCCEECCHHHHHHCCCCCEEEEEECCCHHHHHHHHHHHHHHEEEEEEE
GALDARGSKLMPDKKDFGYAFPCDGPGRGGTCDISAWDSFYLAMFWMLNTIGWVTFYWHW
CCCCCCCCCCCCCCCCCCEECCCCCCCCCCEEECHHHHHHHHHHHHHHHHHCEEEEEEEE
KNLSVWQENLAQFNQSSTYLMGWLRDYLWLNSSQLINGYNPYGTSNLSVWAWMFLFGHLV
CCHHHHHHHHHHHCCCCHHHHHHHHHHHHCCCCHHCCCCCCCCCCCHHHHHHHHHHHHHH
WATGFMFLISWRGYWQELIETIVWAHERTPLANLVRWKDKPVALSIVQARVVGLAHFTIG
HHHHHHHHHHHHHHHHHHHHHHHHHCCCCCHHHHHHCCCCCHHHHHHHHHHHHHHHHHHH
YVLTYAAFLIASTAGKFG
HHHHHHHHHHHHHCCCCH

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