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Protein

Allophycocyanin beta chain

Gene

apcB

Organism
Mastigocladus laminosus (Fischerella sp.)
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)1

GO - Biological processi

Keywordsi

Biological processElectron transport, Photosynthesis, Transport
LigandBile pigment, Chromophore

Names & Taxonomyi

Protein namesi
Recommended name:
Allophycocyanin beta chain
Gene namesi
Name:apcB
OrganismiMastigocladus laminosus (Fischerella sp.)
Taxonomic identifieri83541 [NCBI]
Taxonomic lineageiBacteriaCyanobacteriaNostocalesHapalosiphonaceaeMastigocladus

Subcellular locationi

GO - Cellular componenti

Keywords - Cellular componenti

Membrane, Phycobilisome, Thylakoid

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
ChainiPRO_00001990991 – 161Allophycocyanin beta chainAdd BLAST161

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Modified residuei71N4-methylasparagine3 Publications1

Post-translational modificationi

Contains one covalently linked phycocyanobilin chromophore.

Keywords - PTMi

Methylation

Proteomic databases

PRIDEiP00318

PTM databases

iPTMnetiP00318

Interactioni

Subunit structurei

Heterodimer of an alpha and a beta chain.

Structurei

Secondary structure

1161
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details

3D structure databases

ProteinModelPortaliP00318
SMRiP00318
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP00318

Family & Domainsi

Sequence similaritiesi

Belongs to the phycobiliprotein family.Curated

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.

P00318-1 [UniParc]FASTAAdd to basket
« Hide
        10         20         30         40         50
MQDAITAVIN SSDVQGKYLD TAALEKLKSY FSTGELRVRA ATTIAANAAA
60 70 80 90 100
IVKEAVAKSL LYSDITRPGG NMYTTRRYAA CIRDLDYYLR YATYAMLAGD
110 120 130 140 150
PSILDERVLN GLKETYNSLG VPISATVQAI QAMKEVTASL VGPDAGKEMG
160
VYFDYICSGL S
Length:161
Mass (Da):17,374
Last modified:February 1, 1991 - v2
Checksum:i18E7DD78D7178350
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti59 – 60SL → KT AA sequence (PubMed:6792029).Curated2
Sequence conflicti67R → L AA sequence (PubMed:6792029).Curated1
Sequence conflicti71N → D AA sequence (PubMed:6792029).Curated1

Similar proteinsi

Cross-referencesi

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1B33X-ray2.30B/D/F/I/K/M1-161[»]
ProteinModelPortaliP00318
SMRiP00318
ModBaseiSearch...
MobiDBiSearch...

PTM databases

iPTMnetiP00318

Proteomic databases

PRIDEiP00318

Protocols and materials databases

Structural Biology KnowledgebaseSearch...

Miscellaneous databases

EvolutionaryTraceiP00318

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
ProtoNetiSearch...

Entry informationi

Entry nameiAPCB_MASLA
AccessioniPrimary (citable) accession number: P00318
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 21, 1986
Last sequence update: February 1, 1991
Last modified: May 23, 2018
This is version 97 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, Direct protein sequencing
UniProt is an ELIXIR core data resource
Main funding by: National Institutes of Health

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