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 chlB

Identifier: 126695908

GI number: 126695908

Start: 498055

End: 499626

Strand: Reverse

Name: chlB

Synonym: P9301_05701

Alternate gene names: 126695908

Gene position: 499626-498055 (Counterclockwise)

Preceding gene: 126695909

Following gene: 126695907

Centisome position: 30.43

GC content: 36.58

Gene sequence:

>1572_bases
ATGGAATTAACTCTATGGACATATGAAGGACCGCCACATGTTGGTGCTATGAGAATTGCATCGTCAATGAAAGATATACA
TTATGTGCTTCATGCCCCTCAAGGAGATACATATGCAGATCTTCTTTTTACAATGATTGAAAGAAGAGGGCAAAGGCCCC
CAGTTACATATACGACTTTTCAGGCTAGAGATCTAGGAGGAGATACTGCAGAATTAGTTAAGAAAAATATTAAGGAAGCC
GTAGAACGATTTAAACCAAAAACTCTTTTAGTTGGAGAAAGTTGTACAGCAGAACTTATCCAAGACCAACCTGGAGCTCT
TGCGAAAGGGATGGGGTTTGATATGCCGATTGTGAATCTTGAATTACCTGCTTATAGCAAGAAAGAAAATTGGGGGGCCT
CAGAAACCTTTTATCAATTAACAAGAACCCTTTTAAAAGATAAAGTAAGTTTTTCAGATAAAATAAGTCCCTTCAGGTGG
AAGGAATTAGGTAGGAGACCAAAAGTTAATATACTTGGCCCCTCATTACTGGGATTTAGATGCAGAGATGATGTAATCGA
AATCCAACGCATACTTTCGGAACAAGGTATTGATACAAACGTAGTTGCTCCACTAGGTGCTAGTCCTGATGATATTGAAA
GACTAATTGATGCTGAAATAAATATCTGTCTTTATCAAGAAATTGCTGAAGCTTCATGTGAGTGGCTCAAACGGAACTTT
GGAATGGAATATACGAATACTATTCCTATTGGAATAAAAAATACAATTGAATTTATAAATGAAGTTCATGAAAAATTAGA
TCTTCCTTTAACGAATAAAGAAGAATTAGAAAATAAATCAAAACTTCCTTGGTACTCAAAATCAGTTGACTCTAATTATC
TAACTGGTAAAAGAGTTTTTATTTTTGGTGATGGAACACATGCAATTGCAGCAGCCAAAATTGCTAAAGAAGAATTGGGT
TTTGAAGTAGTGGGTCTTGGAACATACAGCAGGGAGATGGCCAGGCAAGTAAGAGCTACTGCAAAAGATCTAAATGTAGA
AGCTTTGATAACCAACAATTATCTAGAAGTGGAAGATGCCATGAAAAAGGCTGCCCCTGAACTAGTTTTAGGGACCCAAA
TGGAAAGGCATAGTGCAAAAAGACTCGGCATTCCATGCTCAGTAATTAGTACTCCAATGCATGTTCAAGATGTTCCTGCA
AGATATAGCCCACAAATGGGATGGGAAGGAGCAAATGTGATTTTTGATGACTGGGTACATCCCCTAATGATGGGCTTAGA
AGAGCATCTTATTGATATGTTCAAACATGACTTTGAGTTTGTTGATGGTCATCAAAGCCATTTAGGGCATACAGCGACAA
ACAAAAATAACATTTTAAATTCTGACGAGAAAAAAGAAAAAAATAGTAAAGAGGAAATTATCTGGACTGAATCTGGTAGA
GCTGAATTAACAAAAGTTCCATTTTTTGTAAGAGGTAAAGTTAAAACAAATACTGAAAAATACGCAATCTTGAGGGGAAT
CCCAGAGATAAGCGATGAAACTCTTTATGATGCCAAAGCATATTTCAGTTAG

Upstream 100 bases:

>100_bases
CGGAATTGATCAAGCCGCAGATTTGGCTGGTCTCTTTTCCAAACCTTTAAAAAGGAATCAAATACTAACTTCAAAAACTT
TAGTAACGCATTAAAAAACT

Downstream 100 bases:

>100_bases
TTTTTACTAATAAAATATAATTAAGTCATGAGTATTTTCACTCATAATCTAATAGATTTAATCCTGAAAATTCAGTTATA
AGAACATATATCACATTTTT

Product: light-independent protochlorophyllide reductase subunit B

Products: NA

Alternate protein names: DPOR subunit B; LI-POR subunit B

Number of amino acids: Translated: 523; Mature: 523

Protein sequence:

>523_residues
MELTLWTYEGPPHVGAMRIASSMKDIHYVLHAPQGDTYADLLFTMIERRGQRPPVTYTTFQARDLGGDTAELVKKNIKEA
VERFKPKTLLVGESCTAELIQDQPGALAKGMGFDMPIVNLELPAYSKKENWGASETFYQLTRTLLKDKVSFSDKISPFRW
KELGRRPKVNILGPSLLGFRCRDDVIEIQRILSEQGIDTNVVAPLGASPDDIERLIDAEINICLYQEIAEASCEWLKRNF
GMEYTNTIPIGIKNTIEFINEVHEKLDLPLTNKEELENKSKLPWYSKSVDSNYLTGKRVFIFGDGTHAIAAAKIAKEELG
FEVVGLGTYSREMARQVRATAKDLNVEALITNNYLEVEDAMKKAAPELVLGTQMERHSAKRLGIPCSVISTPMHVQDVPA
RYSPQMGWEGANVIFDDWVHPLMMGLEEHLIDMFKHDFEFVDGHQSHLGHTATNKNNILNSDEKKEKNSKEEIIWTESGR
AELTKVPFFVRGKVKTNTEKYAILRGIPEISDETLYDAKAYFS

Sequences:

>Translated_523_residues
MELTLWTYEGPPHVGAMRIASSMKDIHYVLHAPQGDTYADLLFTMIERRGQRPPVTYTTFQARDLGGDTAELVKKNIKEA
VERFKPKTLLVGESCTAELIQDQPGALAKGMGFDMPIVNLELPAYSKKENWGASETFYQLTRTLLKDKVSFSDKISPFRW
KELGRRPKVNILGPSLLGFRCRDDVIEIQRILSEQGIDTNVVAPLGASPDDIERLIDAEINICLYQEIAEASCEWLKRNF
GMEYTNTIPIGIKNTIEFINEVHEKLDLPLTNKEELENKSKLPWYSKSVDSNYLTGKRVFIFGDGTHAIAAAKIAKEELG
FEVVGLGTYSREMARQVRATAKDLNVEALITNNYLEVEDAMKKAAPELVLGTQMERHSAKRLGIPCSVISTPMHVQDVPA
RYSPQMGWEGANVIFDDWVHPLMMGLEEHLIDMFKHDFEFVDGHQSHLGHTATNKNNILNSDEKKEKNSKEEIIWTESGR
AELTKVPFFVRGKVKTNTEKYAILRGIPEISDETLYDAKAYFS
>Mature_523_residues
MELTLWTYEGPPHVGAMRIASSMKDIHYVLHAPQGDTYADLLFTMIERRGQRPPVTYTTFQARDLGGDTAELVKKNIKEA
VERFKPKTLLVGESCTAELIQDQPGALAKGMGFDMPIVNLELPAYSKKENWGASETFYQLTRTLLKDKVSFSDKISPFRW
KELGRRPKVNILGPSLLGFRCRDDVIEIQRILSEQGIDTNVVAPLGASPDDIERLIDAEINICLYQEIAEASCEWLKRNF
GMEYTNTIPIGIKNTIEFINEVHEKLDLPLTNKEELENKSKLPWYSKSVDSNYLTGKRVFIFGDGTHAIAAAKIAKEELG
FEVVGLGTYSREMARQVRATAKDLNVEALITNNYLEVEDAMKKAAPELVLGTQMERHSAKRLGIPCSVISTPMHVQDVPA
RYSPQMGWEGANVIFDDWVHPLMMGLEEHLIDMFKHDFEFVDGHQSHLGHTATNKNNILNSDEKKEKNSKEEIIWTESGR
AELTKVPFFVRGKVKTNTEKYAILRGIPEISDETLYDAKAYFS

Specific function: Uses Mg-ATP and reduced ferredoxin to reduce ring D of protochlorophyllide (Pchlide) to form chlorophyllide a (Chlide). This reaction is light-independent

COG id: COG2710

COG function: function code C; Nitrogenase molybdenum-iron protein, alpha and beta chains

Gene ontology:

Cell location: Cytoplasmic

Metaboloic importance: NA

Operon status: Not Known

Operon components: None

Similarity: Belongs to the ChlB/BchB/BchZ family

Homologues:

None

Paralogues:

None

Copy number: NA

Swissprot (AC and ID): CHLB_PROM0 (A3PBR8)

Other databases:

- EMBL:   CP000576
- RefSeq:   YP_001090794.1
- ProteinModelPortal:   A3PBR8
- STRING:   A3PBR8
- GeneID:   4911880
- GenomeReviews:   CP000576_GR
- KEGG:   pmg:P9301_05701
- eggNOG:   COG2710
- HOGENOM:   HBG284444
- OMA:   TQMERHS
- ProtClustDB:   PRK02910
- BioCyc:   PMAR167546:P9301ORF_0584-MONOMER
- HAMAP:   MF_00353
- InterPro:   IPR000510
- InterPro:   IPR013580
- InterPro:   IPR005969
- InterPro:   IPR016209
- PIRSF:   PIRSF000163
- TIGRFAMs:   TIGR01278

Pfam domain/function: PF00148 Oxidored_nitro; PF08369 PCP_red

EC number: 1.18.-.-

Molecular weight: Translated: 59136; Mature: 59136

Theoretical pI: Translated: 5.68; Mature: 5.68

Prosite motif: NA

Important sites: NA

Signals:

None

Transmembrane regions:

None

Cys/Met content:

1.0 %Cys     (Translated Protein)
2.9 %Met     (Translated Protein)
3.8 %Cys+Met (Translated Protein)
1.0 %Cys     (Mature Protein)
2.9 %Met     (Mature Protein)
3.8 %Cys+Met (Mature Protein)

Secondary structure:

>Translated Secondary Structure
MELTLWTYEGPPHVGAMRIASSMKDIHYVLHAPQGDTYADLLFTMIERRGQRPPVTYTTF
CEEEEEEECCCCCHHHHHHHHHHHHEEEEEECCCCCHHHHHHHHHHHHCCCCCCEEEEEE
QARDLGGDTAELVKKNIKEAVERFKPKTLLVGESCTAELIQDQPGALAKGMGFDMPIVNL
ECCCCCCCHHHHHHHHHHHHHHHCCCCEEEECCCHHHHHHHCCCCCHHCCCCCCCCEEEE
ELPAYSKKENWGASETFYQLTRTLLKDKVSFSDKISPFRWKELGRRPKVNILGPSLLGFR
ECCCCCCCCCCCCHHHHHHHHHHHHHHHCCCCCCCCCHHHHHHCCCCCEEEECCCHHCCC
CRDDVIEIQRILSEQGIDTNVVAPLGASPDDIERLIDAEINICLYQEIAEASCEWLKRNF
CHHHHHHHHHHHHHCCCCCCEEECCCCCHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHC
GMEYTNTIPIGIKNTIEFINEVHEKLDLPLTNKEELENKSKLPWYSKSVDSNYLTGKRVF
CCCCCCEECCCHHHHHHHHHHHHHHHCCCCCCHHHHCCCCCCCCCCCCCCCCCCCCCEEE
IFGDGTHAIAAAKIAKEELGFEVVGLGTYSREMARQVRATAKDLNVEALITNNYLEVEDA
EEECCCHHHHHHHHHHHHCCEEEEECCHHHHHHHHHHHHHHHHCCEEEEEECCEEEHHHH
MKKAAPELVLGTQMERHSAKRLGIPCSVISTPMHVQDVPARYSPQMGWEGANVIFDDWVH
HHHCCCCHHHCCCHHHHHHHHCCCCHHHHCCCCCCCCCCCCCCCCCCCCCCCEEHHHHHH
PLMMGLEEHLIDMFKHDFEFVDGHQSHLGHTATNKNNILNSDEKKEKNSKEEIIWTESGR
HHHHHHHHHHHHHHHHHHHHCCCCHHHCCCCCCCCCCCCCCCHHHHCCCCCCEEEECCCC
AELTKVPFFVRGKVKTNTEKYAILRGIPEISDETLYDAKAYFS
CEEEECCEEEECCEECCCHHHHHHHCCCCCCCCHHHHHHHHCC
>Mature Secondary Structure
MELTLWTYEGPPHVGAMRIASSMKDIHYVLHAPQGDTYADLLFTMIERRGQRPPVTYTTF
CEEEEEEECCCCCHHHHHHHHHHHHEEEEEECCCCCHHHHHHHHHHHHCCCCCCEEEEEE
QARDLGGDTAELVKKNIKEAVERFKPKTLLVGESCTAELIQDQPGALAKGMGFDMPIVNL
ECCCCCCCHHHHHHHHHHHHHHHCCCCEEEECCCHHHHHHHCCCCCHHCCCCCCCCEEEE
ELPAYSKKENWGASETFYQLTRTLLKDKVSFSDKISPFRWKELGRRPKVNILGPSLLGFR
ECCCCCCCCCCCCHHHHHHHHHHHHHHHCCCCCCCCCHHHHHHCCCCCEEEECCCHHCCC
CRDDVIEIQRILSEQGIDTNVVAPLGASPDDIERLIDAEINICLYQEIAEASCEWLKRNF
CHHHHHHHHHHHHHCCCCCCEEECCCCCHHHHHHHHHHHCCCHHHHHHHHHHHHHHHHHC
GMEYTNTIPIGIKNTIEFINEVHEKLDLPLTNKEELENKSKLPWYSKSVDSNYLTGKRVF
CCCCCCEECCCHHHHHHHHHHHHHHHCCCCCCHHHHCCCCCCCCCCCCCCCCCCCCCEEE
IFGDGTHAIAAAKIAKEELGFEVVGLGTYSREMARQVRATAKDLNVEALITNNYLEVEDA
EEECCCHHHHHHHHHHHHCCEEEEECCHHHHHHHHHHHHHHHHCCEEEEEECCEEEHHHH
MKKAAPELVLGTQMERHSAKRLGIPCSVISTPMHVQDVPARYSPQMGWEGANVIFDDWVH
HHHCCCCHHHCCCHHHHHHHHCCCCHHHHCCCCCCCCCCCCCCCCCCCCCCCEEHHHHHH
PLMMGLEEHLIDMFKHDFEFVDGHQSHLGHTATNKNNILNSDEKKEKNSKEEIIWTESGR
HHHHHHHHHHHHHHHHHHHHCCCCHHHCCCCCCCCCCCCCCCHHHHCCCCCCEEEECCCC
AELTKVPFFVRGKVKTNTEKYAILRGIPEISDETLYDAKAYFS
CEEEECCEEEECCEECCCHHHHHHHCCCCCCCCHHHHHHHHCC

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: 9.0

TargetDB status: NA

Availability: NA

References: NA