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Protein

Allophycocyanin alpha chain

Gene

apcA

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-975-MONOMER

Names & Taxonomyi

Protein namesi
Recommended name:
Allophycocyanin alpha chain
Gene namesi
Name:apcA
Ordered Locus Names:tll0957
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
Initiator methionineiRemovedBy similarity
ChainiPRO_00001990752 – 161Allophycocyanin alpha chainAdd BLAST160

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

PRIDEiP50030

Interactioni

Subunit structurei

Heterodimer of an alpha and a beta chain.By similarity

Protein-protein interaction databases

STRINGi197221.tll0957

Structurei

Secondary structure

1161
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Helixi3 – 13Combined sources11
Helixi20 – 31Combined sources12
Helixi33 – 45Combined sources13
Helixi47 – 61Combined sources15
Helixi63 – 65Combined sources3
Helixi75 – 98Combined sources24
Helixi102 – 108Combined sources7
Turni109 – 111Combined sources3
Helixi112 – 119Combined sources8
Helixi123 – 140Combined sources18
Helixi143 – 160Combined sources18

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
2V8AX-ray3.50A1-161[»]
3DBJX-ray2.90A/C/E/G1-161[»]
ProteinModelPortaliP50030
SMRiP50030
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP50030

Family & Domainsi

Sequence similaritiesi

Belongs to the phycobiliprotein family.Curated

Phylogenomic databases

eggNOGiENOG4108MAQ Bacteria
ENOG410ZNUD LUCA
HOGENOMiHOG000233274
KOiK02092
OMAiIVGVREM
OrthoDBiPOG091H14WB

Family and domain databases

Gene3Di1.10.490.20, 1 hit
InterProiView protein in InterPro
IPR009050 Globin-like_sf
IPR012128 Phycobilisome_asu/bsu
IPR038719 Phycobilisome_asu/bsu_sf
PfamiView protein in Pfam
PF00502 Phycobilisome, 1 hit
PIRSFiPIRSF000081 Phycocyanin, 1 hit
SUPFAMiSSF46458 SSF46458, 1 hit

Sequencei

Sequence statusi: Complete.

Sequence processingi: The displayed sequence is further processed into a mature form.

P50030-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MSVVTKSIVN ADAEARYLSP GELDRIKNFV STGERRLRIA QTLTENRERI
60 70 80 90 100
VKQAGDQLFQ KRPDVVSPGG NAYGEEMTAT CLRDLDYYLR LVTYGIVAGD
110 120 130 140 150
VTPIEEIGLV GVREMYNSLG TPIPAVAEGI RAMKNVACSL LSAEDAAEAG
160
SYFDFVIGAM Q
Length:161
Mass (Da):17,539
Last modified:January 23, 2007 - v2
Checksum:i45B4B19673CAF820
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
D16540 Genomic DNA Translation: BAA03976.1
BA000039 Genomic DNA Translation: BAC08509.1
RefSeqiNP_681747.1, NC_004113.1
WP_011056801.1, NC_004113.1

Genome annotation databases

EnsemblBacteriaiBAC08509; BAC08509; BAC08509
GeneIDi1011365
KEGGitel:tll0957
PATRICifig|197221.4.peg.1004

Similar proteinsi

Entry informationi

Entry nameiPHAA_THEEB
AccessioniPrimary (citable) accession number: P50030
Entry historyiIntegrated into UniProtKB/Swiss-Prot: October 1, 1996
Last sequence update: January 23, 2007
Last modified: May 23, 2018
This is version 104 of the entry and version 2 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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