Definition Nostoc sp. PCC 7120, complete genome.
Accession NC_003272
Length 6,413,771

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The map label for this gene is isiA

Identifier: 17231493

GI number: 17231493

Start: 4819084

End: 4820118

Strand: Reverse

Name: isiA

Synonym: all4001

Alternate gene names: 17231493

Gene position: 4820118-4819084 (Counterclockwise)

Preceding gene: 17231494

Following gene: 17231492

Centisome position: 75.15

GC content: 44.15

Gene sequence:

>1035_bases
ATGCAGACATACGATAATCCCAACATCAAATATGATTGGTGGGCTGGTAATGCCCGCTTCGCCAATCTCTCTGGCTTATT
CATCGGCGCACACGTAGCCCAAGCTGCTCTGACAACCCTCTGGGCAGGGGCGTTTACATGGTTTGAAATTTCTCGTTACA
AACCCGAAATCCCAATGGGTGAGCAAGGACTTATTTTGTTACCCCATTTAGCTACTTTGGGTTTTGGTGTTGGTGTATCT
GGTCAAGTAGTCAATACTTACCCTTACTTTGTCATTGGAGCTTTGCATTTAATCTCTTCTGCCGTTTTGGGAGCAGGTGC
GCTCTTTCATACCTTCAAAGGGCCACGCAATTTAAAAAACACTACTGGTTCTGCTCGTAAATTTCACTTTGAATGGAACG
ACCCGAAACAACTCGGTTTGATTTTAGGGCATCACCTCCTGTTTTTAGGCATGGCAGCTTTATTACTGGTAGGAAAAGCT
ATGTTTTGGGGAGGACTATACGACGCAACAACTCAGGTTGTCAGAGTAGTTAACCATCCCACCCTCAACCCCTTTGTTAT
CTATGGCTATCAAACTCATTTTGCCAGTGTTAACAACCTAGAAGATTTGGTGGGTGGTCATATTTATGTAGGTTTAATCC
TGATTGGTGGCGGTATTTGGCACATCGTCAAAGAGCCGTTACCTTGGGCTAAAAAGCTGTTAATCTTTTCTGGTGAAGCG
ATTCTTTCTTATTCTTTGGGTGGTATTGCTTTGGCTGGGTTTGTCGCCGCTTATTTTTGTGCGGTCAACACCTTAGCTTA
TCCTGTAGAGTTCTATGGTGCGCCCTTAGAATTAAAGTTTGGTGTCACTCCTTATTTTGCCGATACAGTCAAGTTAGCTG
ATGGCGGCTACAGTGCGAGAGCATGGTTAGCTAATGCTCACTTTTTCTTAGCTTTCTTCTTCTTGCAAGGTCATCTGTGG
CACGCGCTACGCGCTATTGGCGTTGACTTTAGGCAAATTGAAAAGTCATTGAATGCCATTAGTAGTGCTGAGTAA

Upstream 100 bases:

>100_bases
CATTCAATTAACTCTAGTTATTCTCTCAAATTTTTTATGCTGAAGTTAATCAGCCAATACTTGAGTATTTCTGGCAACAA
CTCTATAAATTTAGAAACCA

Downstream 100 bases:

>100_bases
GCTATTACGCTTTTAAATTACATAGTCACTTGTATGGTTTGTTGGCTGTGAGGCAGTCGCAGTCTTGGCGGTTTCCGTCG
ATTGCGGTAGCGACGTTAGG

Product: photosystem II chlorophyll a-binding protein

Products: NA

Alternate protein names: CP43'

Number of amino acids: Translated: 344; Mature: 344

Protein sequence:

>344_residues
MQTYDNPNIKYDWWAGNARFANLSGLFIGAHVAQAALTTLWAGAFTWFEISRYKPEIPMGEQGLILLPHLATLGFGVGVS
GQVVNTYPYFVIGALHLISSAVLGAGALFHTFKGPRNLKNTTGSARKFHFEWNDPKQLGLILGHHLLFLGMAALLLVGKA
MFWGGLYDATTQVVRVVNHPTLNPFVIYGYQTHFASVNNLEDLVGGHIYVGLILIGGGIWHIVKEPLPWAKKLLIFSGEA
ILSYSLGGIALAGFVAAYFCAVNTLAYPVEFYGAPLELKFGVTPYFADTVKLADGGYSARAWLANAHFFLAFFFLQGHLW
HALRAIGVDFRQIEKSLNAISSAE

Sequences:

>Translated_344_residues
MQTYDNPNIKYDWWAGNARFANLSGLFIGAHVAQAALTTLWAGAFTWFEISRYKPEIPMGEQGLILLPHLATLGFGVGVS
GQVVNTYPYFVIGALHLISSAVLGAGALFHTFKGPRNLKNTTGSARKFHFEWNDPKQLGLILGHHLLFLGMAALLLVGKA
MFWGGLYDATTQVVRVVNHPTLNPFVIYGYQTHFASVNNLEDLVGGHIYVGLILIGGGIWHIVKEPLPWAKKLLIFSGEA
ILSYSLGGIALAGFVAAYFCAVNTLAYPVEFYGAPLELKFGVTPYFADTVKLADGGYSARAWLANAHFFLAFFFLQGHLW
HALRAIGVDFRQIEKSLNAISSAE
>Mature_344_residues
MQTYDNPNIKYDWWAGNARFANLSGLFIGAHVAQAALTTLWAGAFTWFEISRYKPEIPMGEQGLILLPHLATLGFGVGVS
GQVVNTYPYFVIGALHLISSAVLGAGALFHTFKGPRNLKNTTGSARKFHFEWNDPKQLGLILGHHLLFLGMAALLLVGKA
MFWGGLYDATTQVVRVVNHPTLNPFVIYGYQTHFASVNNLEDLVGGHIYVGLILIGGGIWHIVKEPLPWAKKLLIFSGEA
ILSYSLGGIALAGFVAAYFCAVNTLAYPVEFYGAPLELKFGVTPYFADTVKLADGGYSARAWLANAHFFLAFFFLQGHLW
HALRAIGVDFRQIEKSLNAISSAE

Specific function: Functions as an antenna for photosystem I (PSI) under iron-limiting conditions, when phycobilisomes disappear. In the (PSI)3(Isi3)18 complex most of the harvested energy is probably used by PSI; in other PSI-containing supercomplexes a large part of the e

COG id: NA

COG function: NA

Gene ontology:

Cell location: Cellular thylakoid membrane; Multi-pass membrane protein (Potential)

Metaboloic importance: NA

Operon status: Not Known

Operon components: None

Similarity: Belongs to the psbB/psbC family. IsiA/pcb subfamily

Homologues:

None

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): ISIA_NOSS1 (Q8YQ35)

Other databases:

- EMBL:   BA000019
- PIR:   AB2306
- PIR:   S42648
- RefSeq:   NP_488041.1
- ProteinModelPortal:   Q8YQ35
- STRING:   Q8YQ35
- GeneID:   1107599
- GenomeReviews:   BA000019_GR
- KEGG:   ana:all4001
- NMPDR:   fig|103690.1.peg.4308
- eggNOG:   NOG10575
- HOGENOM:   HBG284351
- OMA:   ALFHTFK
- ProtClustDB:   CLSK893061
- BioCyc:   NSP103690:ALL4001-MONOMER
- InterPro:   IPR000932

Pfam domain/function: PF00421 PSII

EC number: NA

Molecular weight: Translated: 37667; Mature: 37667

Theoretical pI: Translated: 8.78; Mature: 8.78

Prosite motif: PS00639 THIOL_PROTEASE_HIS

Important sites: NA

Signals:

None

Transmembrane regions:

HASH(0x136e6d88)-; HASH(0x13452bd8)-; HASH(0x13c3e4ec)-; HASH(0x13d1964c)-; HASH(0x13b64e24)-; HASH(0x1372d81c)-;

Cys/Met content:

0.3 %Cys     (Translated Protein)
1.2 %Met     (Translated Protein)
1.5 %Cys+Met (Translated Protein)
0.3 %Cys     (Mature Protein)
1.2 %Met     (Mature Protein)
1.5 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MQTYDNPNIKYDWWAGNARFANLSGLFIGAHVAQAALTTLWAGAFTWFEISRYKPEIPMG
CCCCCCCCEEEEEECCCCEEEECCCEEHHHHHHHHHHHHHHHHHHHEEEHCCCCCCCCCC
EQGLILLPHLATLGFGVGVSGQVVNTYPYFVIGALHLISSAVLGAGALFHTFKGPRNLKN
CCCCEEECCHHHHHCCCCCCCCEEECCHHHHHHHHHHHHHHHHHCHHHHHHCCCCCCCCC
TTGSARKFHFEWNDPKQLGLILGHHLLFLGMAALLLVGKAMFWGGLYDATTQVVRVVNHP
CCCCCEEEEEECCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCHHHHHHHHHHHHCCC
TLNPFVIYGYQTHFASVNNLEDLVGGHIYVGLILIGGGIWHIVKEPLPWAKKLLIFSGEA
CCCCEEEEEEHHHHCCCCCHHHHHCCHHEEEHHHHCCCHHHHHHCCCCHHHHHHEECCCH
ILSYSLGGIALAGFVAAYFCAVNTLAYPVEFYGAPLELKFGVTPYFADTVKLADGGYSAR
HEEECCHHHHHHHHHHHHHHHHHHHHCCHHHCCCCEEEEECCCCHHHCEEEECCCCCCHH
AWLANAHFFLAFFFLQGHLWHALRAIGVDFRQIEKSLNAISSAE
HHHHHHHHHHHHHHHHHHHHHHHHHHCCCHHHHHHHHHHHCCCH
>Mature Secondary Structure
MQTYDNPNIKYDWWAGNARFANLSGLFIGAHVAQAALTTLWAGAFTWFEISRYKPEIPMG
CCCCCCCCEEEEEECCCCEEEECCCEEHHHHHHHHHHHHHHHHHHHEEEHCCCCCCCCCC
EQGLILLPHLATLGFGVGVSGQVVNTYPYFVIGALHLISSAVLGAGALFHTFKGPRNLKN
CCCCEEECCHHHHHCCCCCCCCEEECCHHHHHHHHHHHHHHHHHCHHHHHHCCCCCCCCC
TTGSARKFHFEWNDPKQLGLILGHHLLFLGMAALLLVGKAMFWGGLYDATTQVVRVVNHP
CCCCCEEEEEECCCHHHHHHHHHHHHHHHHHHHHHHHHHHHHHCCHHHHHHHHHHHHCCC
TLNPFVIYGYQTHFASVNNLEDLVGGHIYVGLILIGGGIWHIVKEPLPWAKKLLIFSGEA
CCCCEEEEEEHHHHCCCCCHHHHHCCHHEEEHHHHCCCHHHHHHCCCCHHHHHHEECCCH
ILSYSLGGIALAGFVAAYFCAVNTLAYPVEFYGAPLELKFGVTPYFADTVKLADGGYSAR
HEEECCHHHHHHHHHHHHHHHHHHHHCCHHHCCCCEEEEECCCCHHHCEEEECCCCCCHH
AWLANAHFFLAFFFLQGHLWHALRAIGVDFRQIEKSLNAISSAE
HHHHHHHHHHHHHHHHHHHHHHHHHHCCCHHHHHHHHHHHCCCH

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: 7.0

TargetDB status: NA

Availability: NA

References: 11759840