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Entry version 101 (11 Dec 2019)
Sequence version 1 (01 Oct 2002)
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Protein

Bacteriochlorophyllide d C-8(2)-methyltransferase

Gene

bchQ

Organism
Chlorobaculum tepidum (strain ATCC 49652 / DSM 12025 / NBRC 103806 / TLS) (Chlorobium tepidum)
Status
Reviewed-Annotation score:

Annotation score:4 out of 5

<p>The annotation score provides a heuristic measure of the annotation content of a UniProtKB entry or proteome. This score <strong>cannot</strong> be used as a measure of the accuracy of the annotation as we cannot define the ‘correct annotation’ for any given protein.<p><a href='/help/annotation_score' target='_top'>More...</a></p>
-Experimental evidence at protein leveli <p>This indicates the type of evidence that supports the existence of the protein. Note that the ‘protein existence’ evidence does not give information on the accuracy or correctness of the sequence(s) displayed.<p><a href='/help/protein_existence' target='_top'>More...</a></p>

<p>This section provides any useful information about the protein, mostly biological knowledge.<p><a href='/help/function_section' target='_top'>More...</a></p>Functioni

Involved in the biosynthesis of the major light-harvesting pigment bacteriochlorophyll c (BChlc), which confers a significant competitive advantage to green sulfur bacteria living at limiting red and near-infrared light intensities. BchQ is a methyltransferase that adds two consecutive methyl groups to the ethyl carbon at the C-82 position of 8,12-diethyl-3-vinylbacteriochlorophyllide d to yield 12-ethyl-8-isobutyl-3-vinylbacteriochlorophyllide d.1 Publication

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section describes the catalytic activity of an enzyme, i.e. a chemical reaction that the enzyme catalyzes.<p><a href='/help/catalytic_activity' target='_top'>More...</a></p>Catalytic activityi

<p>This subsection of the ‘Function’ section provides information relevant to cofactors. A cofactor is any non-protein substance required for a protein to be catalytically active. Some cofactors are inorganic, such as the metal atoms zinc, iron, and copper in various oxidation states. Others, such as most vitamins, are organic.<p><a href='/help/cofactor' target='_top'>More...</a></p>Cofactori

[4Fe-4S] clusterPROSITE-ProRule annotationNote: Binds 1 [4Fe-4S] cluster. The cluster is coordinated with 3 cysteines and an exchangeable S-adenosyl-L-methionine.PROSITE-ProRule annotation

<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">'Function'</a> section describes the metabolic pathway(s) associated with a protein.<p><a href='/help/pathway' target='_top'>More...</a></p>Pathwayi: bacteriochlorophyll biosynthesis (light-independent)

This protein is involved in the pathway bacteriochlorophyll biosynthesis (light-independent), which is part of Porphyrin-containing compound metabolism.1 Publication
View all proteins of this organism that are known to be involved in the pathway bacteriochlorophyll biosynthesis (light-independent) and in Porphyrin-containing compound metabolism.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/function_section">Function</a> section indicates at which position the protein binds a given metal ion. The nature of the metal is indicated in the ‘Description’ field.<p><a href='/help/metal' target='_top'>More...</a></p>Metal bindingi162Iron-sulfur (4Fe-4S-S-AdoMet)PROSITE-ProRule annotation1
Metal bindingi166Iron-sulfur (4Fe-4S-S-AdoMet)PROSITE-ProRule annotation1
Metal bindingi169Iron-sulfur (4Fe-4S-S-AdoMet)PROSITE-ProRule annotation1

<p>The <a href="http://www.geneontology.org/">Gene Ontology (GO)</a> project provides a set of hierarchical controlled vocabulary split into 3 categories:<p><a href='/help/gene_ontology' target='_top'>More...</a></p>GO - Molecular functioni

GO - Biological processi

<p>UniProtKB Keywords constitute a <a href="http://www.uniprot.org/keywords">controlled vocabulary</a> with a hierarchical structure. Keywords summarise the content of a UniProtKB entry and facilitate the search for proteins of interest.<p><a href='/help/keywords' target='_top'>More...</a></p>Keywordsi

Molecular functionMethyltransferase, Transferase
Biological processBacteriochlorophyll biosynthesis, Chlorophyll biosynthesis
Ligand4Fe-4S, Iron, Iron-sulfur, Metal-binding, S-adenosyl-L-methionine

Enzyme and pathway databases

BioCyc Collection of Pathway/Genome Databases

More...
BioCyci
CTEP194439:G1FZE-1816-MONOMER
MetaCyc:MONOMER-19705

UniPathway: a resource for the exploration and annotation of metabolic pathways

More...
UniPathwayi
UPA00671

<p>This section provides information about the protein and gene name(s) and synonym(s) and about the organism that is the source of the protein sequence.<p><a href='/help/names_and_taxonomy_section' target='_top'>More...</a></p>Names & Taxonomyi

<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides an exhaustive list of all names of the protein, from commonly used to obsolete, to allow unambiguous identification of a protein.<p><a href='/help/protein_names' target='_top'>More...</a></p>Protein namesi
Recommended name:
Bacteriochlorophyllide d C-8(2)-methyltransferase1 Publication (EC:2.1.1.3321 Publication)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section indicates the name(s) of the gene(s) that code for the protein sequence(s) described in the entry. Four distinct tokens exist: ‘Name’, ‘Synonyms’, ‘Ordered locus names’ and ‘ORF names’.<p><a href='/help/gene_name' target='_top'>More...</a></p>Gene namesi
Name:bchQ1 Publication
Ordered Locus Names:CT1777Imported
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section provides information on the name(s) of the organism that is the source of the protein sequence.<p><a href='/help/organism-name' target='_top'>More...</a></p>OrganismiChlorobaculum tepidum (strain ATCC 49652 / DSM 12025 / NBRC 103806 / TLS) (Chlorobium tepidum)
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section shows the unique identifier assigned by the NCBI to the source organism of the protein. This is known as the ‘taxonomic identifier’ or ‘taxid’.<p><a href='/help/taxonomic_identifier' target='_top'>More...</a></p>Taxonomic identifieri194439 [NCBI]
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section contains the taxonomic hierarchical classification lineage of the source organism. It lists the nodes as they appear top-down in the taxonomic tree, with the more general grouping listed first.<p><a href='/help/taxonomic_lineage' target='_top'>More...</a></p>Taxonomic lineageiBacteriaChlorobiChlorobiaChlorobialesChlorobiaceaeChlorobaculum
<p>This subsection of the <a href="http://www.uniprot.org/help/names_and_taxonomy_section">Names and taxonomy</a> section is present for entries that are part of a <a href="http://www.uniprot.org/proteomes">proteome</a>, i.e. of a set of proteins thought to be expressed by organisms whose genomes have been completely sequenced.<p><a href='/help/proteomes_manual' target='_top'>More...</a></p>Proteomesi
  • UP000001007 <p>A UniProt <a href="http://www.uniprot.org/manual/proteomes_manual">proteome</a> can consist of several components. <br></br>The component name refers to the genomic component encoding a set of proteins.<p><a href='/help/proteome_component' target='_top'>More...</a></p> Componenti: Chromosome

<p>This section provides information on the location and the topology of the mature protein in the cell.<p><a href='/help/subcellular_location_section' target='_top'>More...</a></p>Subcellular locationi

GO - Cellular componenti

Keywords - Cellular componenti

Cytoplasm

<p>This section provides information on the disease(s) and phenotype(s) associated with a protein.<p><a href='/help/pathology_and_biotech_section' target='_top'>More...</a></p>Pathology & Biotechi

<p>This subsection of the ‘Pathology and Biotech’ section describes the in vivo effects caused by ablation of the gene (or one or more transcripts) coding for the protein described in the entry. This includes gene knockout and knockdown, provided experiments have been performed in the context of a whole organism or a specific tissue, and not at the single-cell level.<p><a href='/help/disruption_phenotype' target='_top'>More...</a></p>Disruption phenotypei

Cells lacking this gene produce bacteriochlorophyll c (BChlc) that is not methylated at C-82 and show a growth rate that decreases to 60% of that of the wild-type at low light intensity. Double mutants lacking both bchR and bchQ produce bacteriochlorophyll c (BChlc) that is not methylated at C-82 and C-121, and show a growth rate that decreases to 41% of that of the wild-type at low light intensity.1 Publication

<p>This section describes post-translational modifications (PTMs) and/or processing events.<p><a href='/help/ptm_processing_section' target='_top'>More...</a></p>PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the ‘PTM / Processing’ section describes the extent of a polypeptide chain in the mature protein following processing.<p><a href='/help/chain' target='_top'>More...</a></p>ChainiPRO_00004444731 – 451Bacteriochlorophyllide d C-8(2)-methyltransferaseAdd BLAST451

<p>This section provides information on the quaternary structure of a protein and on interaction(s) with other proteins or protein complexes.<p><a href='/help/interaction_section' target='_top'>More...</a></p>Interactioni

Protein-protein interaction databases

STRING: functional protein association networks

More...
STRINGi
194439.CT1777

<p>This section provides information on sequence similarities with other proteins and the domain(s) present in a protein.<p><a href='/help/family_and_domains_section' target='_top'>More...</a></p>Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
<p>This subsection of the <a href="http://www.uniprot.org/help/family_and_domains_section">Family and Domains</a> section describes the position and type of a domain, which is defined as a specific combination of secondary structures organized into a characteristic three-dimensional structure or fold.<p><a href='/help/domain' target='_top'>More...</a></p>Domaini1 – 118B12-bindingPROSITE-ProRule annotationAdd BLAST118

<p>This subsection of the ‘Family and domains’ section provides information about the sequence similarity with other proteins.<p><a href='/help/sequence_similarities' target='_top'>More...</a></p>Sequence similaritiesi

Belongs to the radical SAM superfamily.Curated

Phylogenomic databases

evolutionary genealogy of genes: Non-supervised Orthologous Groups

More...
eggNOGi
ENOG4107G43 Bacteria
COG1032 LUCA

The HOGENOM Database of Homologous Genes from Fully Sequenced Organisms

More...
HOGENOMi
HOG000148227

KEGG Orthology (KO)

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KOi
K13601

Identification of Orthologs from Complete Genome Data

More...
OMAi
VIRWWRA

Database of Orthologous Groups

More...
OrthoDBi
973846at2

Family and domain databases

Gene3D Structural and Functional Annotation of Protein Families

More...
Gene3Di
3.80.30.20, 1 hit

Integrated resource of protein families, domains and functional sites

More...
InterProi
View protein in InterPro
IPR034498 Bacteriochlorophyll_C8_MT
IPR006158 Cobalamin-bd
IPR006638 Elp3/MiaB/NifB
IPR020612 Methylthiotransferase_CS
IPR007197 rSAM
IPR023404 rSAM_horseshoe

Pfam protein domain database

More...
Pfami
View protein in Pfam
PF02310 B12-binding, 1 hit
PF04055 Radical_SAM, 1 hit

Structure-Function Linkage Database

More...
SFLDi
SFLDF00307 bacteriochlorophyll_C8_methylt, 1 hit

Simple Modular Architecture Research Tool; a protein domain database

More...
SMARTi
View protein in SMART
SM00729 Elp3, 1 hit

PROSITE; a protein domain and family database

More...
PROSITEi
View protein in PROSITE
PS51332 B12_BINDING, 1 hit
PS01278 MTTASE_RADICAL, 1 hit

<p>This section displays by default the canonical protein sequence and upon request all isoforms described in the entry. It also includes information pertinent to the sequence(s), including <a href="http://www.uniprot.org/help/sequence_length">length</a> and <a href="http://www.uniprot.org/help/sequences">molecular weight</a>. The information is filed in different subsections. The current subsections and their content are listed below:<p><a href='/help/sequences_section' target='_top'>More...</a></p>Sequencei

<p>This subsection of the <a href="http://www.uniprot.org/help/sequences_section">Sequence</a> section indicates if the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> displayed by default in the entry is complete or not.<p><a href='/help/sequence_status' target='_top'>More...</a></p>Sequence statusi: Complete.

Q8KBK9-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MDDDSNQKPL FHMALGVLTS LTPPQHHIEL VDEHFHDKIN YDGDYDMVGI
60 70 80 90 100
TSRTIEATRA YEIADEFRKR GKTVVLGGLH ISFNPEEAAA HADCIVVGEA
110 120 130 140 150
DNLWTTLLDD VANNRLKERY DSKDFPPVKA ITPLDYARIA KASKRTKVDG
160 170 180 190 200
TKSIPIYVTR GCPFNCSFCV TPNFTGKQYR VQDPKLLKHQ IEEAKKYFFK
210 220 230 240 250
ANGKNSKPWF MLTDENLGIN KKKLWESLDL LKECDITFSV FLSINFLEDP
260 270 280 290 300
TTVKKLVDAG CNFVLAGLES IKQSTLEAYN KGHVNSAEKY SKIIEDCRKA
310 320 330 340 350
GLNIQGNFLF NPAIDTFEDI DELVQFVKKN HIFMPIFQII TPYPGTQMYH
360 370 380 390 400
EYRESGLITI EDWEKYNALH LVIKSDRYEP LLFQYKVLKS YVEVYTWKEI
410 420 430 440 450
LLRTLYNPRK LINLVTSIAF KKHLAAQLKA FERNHKMNPA MLSGVKPVMN

G
Length:451
Mass (Da):51,737
Last modified:October 1, 2002 - v1
<p>The checksum is a form of redundancy check that is calculated from the sequence. It is useful for tracking sequence updates.</p> <p>It should be noted that while, in theory, two different sequences could have the same checksum value, the likelihood that this would happen is extremely low.</p> <p>However UniProtKB may contain entries with identical sequences in case of multiple genes (paralogs).</p> <p>The checksum is computed as the sequence 64-bit Cyclic Redundancy Check value (CRC64) using the generator polynomial: x<sup>64</sup> + x<sup>4</sup> + x<sup>3</sup> + x + 1. The algorithm is described in the ISO 3309 standard. </p> <p class="publication">Press W.H., Flannery B.P., Teukolsky S.A. and Vetterling W.T.<br /> <strong>Cyclic redundancy and other checksums</strong><br /> <a href="http://www.nrbook.com/b/bookcpdf.php">Numerical recipes in C 2nd ed., pp896-902, Cambridge University Press (1993)</a>)</p> Checksum:i2F00AF40A0FCC563
GO

Sequence databases

Select the link destinations:

EMBL nucleotide sequence database

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EMBLi

GenBank nucleotide sequence database

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GenBanki

DNA Data Bank of Japan; a nucleotide sequence database

More...
DDBJi
Links Updated
AE006470 Genomic DNA Translation: AAM72998.1

NCBI Reference Sequences

More...
RefSeqi
NP_662656.1, NC_002932.3
WP_010933437.1, NC_002932.3

Genome annotation databases

Ensembl bacterial and archaeal genome annotation project

More...
EnsemblBacteriai
AAM72998; AAM72998; CT1777

Database of genes from NCBI RefSeq genomes

More...
GeneIDi
1008134

KEGG: Kyoto Encyclopedia of Genes and Genomes

More...
KEGGi
cte:CT1777

Pathosystems Resource Integration Center (PATRIC)

More...
PATRICi
fig|194439.7.peg.1611

<p>This section provides links to proteins that are similar to the protein sequence(s) described in this entry at different levels of sequence identity thresholds (100%, 90% and 50%) based on their membership in UniProt Reference Clusters (<a href="http://www.uniprot.org/help/uniref">UniRef</a>).<p><a href='/help/similar_proteins_section' target='_top'>More...</a></p>Similar proteinsi

<p>This section is used to point to information related to entries and found in data collections other than UniProtKB.<p><a href='/help/cross_references_section' target='_top'>More...</a></p>Cross-referencesi

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
AE006470 Genomic DNA Translation: AAM72998.1
RefSeqiNP_662656.1, NC_002932.3
WP_010933437.1, NC_002932.3

3D structure databases

Database of comparative protein structure models

More...
ModBasei
Search...

SWISS-MODEL Interactive Workspace

More...
SWISS-MODEL-Workspacei
Submit a new modelling project...

Protein-protein interaction databases

STRINGi194439.CT1777

Protocols and materials databases

The DNASU plasmid repository

More...
DNASUi
1008134

Genome annotation databases

EnsemblBacteriaiAAM72998; AAM72998; CT1777
GeneIDi1008134
KEGGicte:CT1777
PATRICifig|194439.7.peg.1611

Phylogenomic databases

eggNOGiENOG4107G43 Bacteria
COG1032 LUCA
HOGENOMiHOG000148227
KOiK13601
OMAiVIRWWRA
OrthoDBi973846at2

Enzyme and pathway databases

UniPathwayiUPA00671
BioCyciCTEP194439:G1FZE-1816-MONOMER
MetaCyc:MONOMER-19705

Family and domain databases

Gene3Di3.80.30.20, 1 hit
InterProiView protein in InterPro
IPR034498 Bacteriochlorophyll_C8_MT
IPR006158 Cobalamin-bd
IPR006638 Elp3/MiaB/NifB
IPR020612 Methylthiotransferase_CS
IPR007197 rSAM
IPR023404 rSAM_horseshoe
PfamiView protein in Pfam
PF02310 B12-binding, 1 hit
PF04055 Radical_SAM, 1 hit
SFLDiSFLDF00307 bacteriochlorophyll_C8_methylt, 1 hit
SMARTiView protein in SMART
SM00729 Elp3, 1 hit
PROSITEiView protein in PROSITE
PS51332 B12_BINDING, 1 hit
PS01278 MTTASE_RADICAL, 1 hit

ProtoNet; Automatic hierarchical classification of proteins

More...
ProtoNeti
Search...

MobiDB: a database of protein disorder and mobility annotations

More...
MobiDBi
Search...

<p>This section provides general information on the entry.<p><a href='/help/entry_information_section' target='_top'>More...</a></p>Entry informationi

<p>This subsection of the ‘Entry information’ section provides a mnemonic identifier for a UniProtKB entry, but it is not a stable identifier. Each reviewed entry is assigned a unique entry name upon integration into UniProtKB/Swiss-Prot.<p><a href='/help/entry_name' target='_top'>More...</a></p>Entry nameiBCHQ_CHLTE
<p>This subsection of the ‘Entry information’ section provides one or more accession number(s). These are stable identifiers and should be used to cite UniProtKB entries. Upon integration into UniProtKB, each entry is assigned a unique accession number, which is called ‘Primary (citable) accession number’.<p><a href='/help/accession_numbers' target='_top'>More...</a></p>AccessioniPrimary (citable) accession number: Q8KBK9
<p>This subsection of the ‘Entry information’ section shows the date of integration of the entry into UniProtKB, the date of the last sequence update and the date of the last annotation modification (‘Last modified’). The version number for both the entry and the <a href="http://www.uniprot.org/help/canonical_and_isoforms">canonical sequence</a> are also displayed.<p><a href='/help/entry_history' target='_top'>More...</a></p>Entry historyiIntegrated into UniProtKB/Swiss-Prot: June 20, 2018
Last sequence update: October 1, 2002
Last modified: December 11, 2019
This is version 101 of the entry and version 1 of the sequence. See complete history.
<p>This subsection of the ‘Entry information’ section indicates whether the entry has been manually annotated and reviewed by UniProtKB curators or not, in other words, if the entry belongs to the Swiss-Prot section of UniProtKB (<strong>reviewed</strong>) or to the computer-annotated TrEMBL section (<strong>unreviewed</strong>).<p><a href='/help/entry_status' target='_top'>More...</a></p>Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

<p>This section contains any relevant information that doesn’t fit in any other defined sections<p><a href='/help/miscellaneous_section' target='_top'>More...</a></p>Miscellaneousi

Keywords - Technical termi

Reference proteome

Documents

  1. PATHWAY comments
    Index of metabolic and biosynthesis pathways
  2. SIMILARITY comments
    Index of protein domains and families
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