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Protein

Allophycocyanin beta chain

Gene

apcB

Organism
Thermosynechococcus elongatus (strain BP-1)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Light-harvesting photosynthetic bile pigment-protein from the phycobiliprotein complex. Allophycocyanin has a maximum absorption at approximately 650 nanometers.

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Binding sitei81Phycocyanobilin chromophore (covalent; via 1 link)By similarity1

GO - Biological processi

Keywordsi

Biological processElectron transport, Photosynthesis, Transport
LigandBile pigment, Chromophore

Enzyme and pathway databases

BioCyciTELO197221:G1G3I-974-MONOMER

Names & Taxonomyi

Protein namesi
Recommended name:
Allophycocyanin beta chain
Gene namesi
Name:apcB
Ordered Locus Names:tll0956
OrganismiThermosynechococcus elongatus (strain BP-1)
Taxonomic identifieri197221 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaSynechococcalesSynechococcaceaeThermosynechococcus
Proteomesi
  • UP000000440 Componenti: Chromosome

Subcellular locationi

GO - Cellular componenti

Keywords - Cellular componenti

Membrane, Phycobilisome, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001991031 – 161Allophycocyanin beta chainAdd BLAST161

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei71N4-methylasparagineBy similarity1

Post-translational modificationi

Contains one covalently linked phycocyanobilin chromophore.By similarity

Keywords - PTMi

Methylation

Proteomic databases

PRIDEiP50031

Interactioni

Subunit structurei

Heterodimer of an alpha and a beta chain.By similarity

Protein-protein interaction databases

STRINGi197221.tll0956

Structurei

Secondary structure

1161
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Helixi4 – 15Combined sources12
Helixi21 – 32Combined sources12
Helixi34 – 46Combined sources13
Helixi48 – 59Combined sources12
Beta strandi61 – 63Combined sources3
Turni64 – 66Combined sources3
Beta strandi70 – 72Combined sources3
Helixi75 – 98Combined sources24
Helixi102 – 107Combined sources6
Helixi112 – 119Combined sources8
Helixi123 – 141Combined sources19
Helixi143 – 160Combined sources18

3D structure databases

ProteinModelPortaliP50031
SMRiP50031
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP50031

Family & Domainsi

Sequence similaritiesi

Belongs to the phycobiliprotein family.Curated

Phylogenomic databases

eggNOGiENOG4105FBM Bacteria
ENOG410XR43 LUCA
HOGENOMiHOG000233274
KOiK02093
OMAiGVYLDYI
OrthoDBiPOG091H1404

Family and domain databases

CDDicd12126 APC_beta, 1 hit
Gene3Di1.10.490.20, 1 hit
InterProiView protein in InterPro
IPR006245 ApcB
IPR009050 Globin-like_sf
IPR012128 Phycobilisome_asu/bsu
IPR038719 Phycobilisome_asu/bsu_sf
PANTHERiPTHR34011:SF3 PTHR34011:SF3, 1 hit
PfamiView protein in Pfam
PF00502 Phycobilisome, 1 hit
PIRSFiPIRSF000081 Phycocyanin, 1 hit
SUPFAMiSSF46458 SSF46458, 1 hit
TIGRFAMsiTIGR01337 apcB, 1 hit

Sequencei

Sequence statusi: Complete.

P50031-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MQDAITAVIN ASDVQGKYLD TAAMEKLKAY FATGELRVRA ASVISANAAN
60 70 80 90 100
IVKEAVAKSL LYSDITRPGG NMYTTRRYAA CIRDLDYYLR YATYAMLAGD
110 120 130 140 150
PSILDERVLN GLKETYNSLG VPIAATVQAI QAMKEVTASL VGADAGKEMG
160
IYFDYICSGL S
Length:161
Mass (Da):17,359
Last modified:October 1, 1996 - v1
Checksum:iB3627DDFFDD014C7
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
D16540 Genomic DNA Translation: BAA03977.1
BA000039 Genomic DNA Translation: BAC08508.1
RefSeqiNP_681746.1, NC_004113.1
WP_011056800.1, NC_004113.1

Genome annotation databases

EnsemblBacteriaiBAC08508; BAC08508; BAC08508
GeneIDi1011364
KEGGitel:tll0956
PATRICifig|197221.4.peg.1003

Similar proteinsi

Entry informationi

Entry nameiAPCB_THEEB
AccessioniPrimary (citable) accession number: P50031
Entry historyiIntegrated into UniProtKB/Swiss-Prot: October 1, 1996
Last sequence update: October 1, 1996
Last modified: May 23, 2018
This is version 104 of the entry and version 1 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programProkaryotic Protein Annotation Program

Miscellaneousi

Keywords - Technical termi

3D-structure, Complete proteome, Reference proteome

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. SIMILARITY comments
    Index of protein domains and families

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