UniProt Accession

Q9XF89; Q8LAB1; CB5_ARATH 

Theoretical PI

6 

Molecular Weight

30156.68 

Genbank Protein ID

AF326900;AF380631;AL049488;AY087939;AF424597;AL161517;AF134129;AY054126;CP002687;AF339718 

Genbank Nucleotide ID

AAM65487.1;CAB39787.1;AAL11591.1;CAB78157.1;AAG41482.1;AEE82869.1;AAK00400.1;AAK55712.1;
AAD28776.1; AAL06787.1 

Protein Name

Chlorophyll a-b binding protein CP26, chloroplastic; LHCB5; LHCIIc; Light-harvesting complex II protein 5 

Gene Name

LHCB5; At4g10340; F24G24.140 

Created Date

2003-02-22 

Organism

Arabidopsis thaliana(Mouse-ear cress) 

NCBI Taxa ID

3702 

Phosphorylation Sites

Position	Peptide	Source	References
56	SKAVSETSDELAKWY	dbPPT, PhosPhAt	[1, 2]
55	KSKAVSETSDELAKW	dbPPT, PhosPhAt	[1, 2]
49	KKPAPAKSKAVSETS	dbPPT, PhosPhAt	[1, 2, 3]
53	PAKSKAVSETSDELA	dbPPT, PhosPhAt	[1, 2]
110	KPENFAKYQAFELIH	dbPPT, PhosPhAt	[4]

Functional Description

The light-harvesting complex (LHC) functions as a light receptor, it captures and delivers excitation energy to photosystems with which it is closely associated. 

Sequence Annotation

transit peptide 1 48 Chloroplast
chain 49 280 Chlorophyll a-b binding protein CP26, chloroplastic
transmembrane region 110 130 Helical;
transmembrane region 167 187 Helical;
transmembrane region 231 251 Helical;
metal ion-binding site 70 Magnesium (chlorophyll-b 1 axial ligand); via carbonyl oxygen
metal ion-binding site 114 Magnesium (chlorophyll-a 1 axial ligand)
metal ion-binding site 117 Magnesium (chlorophyll-a 2 axial ligand)
metal ion-binding site 167 Magnesium (chlorophyll-b 2 axial ligand); via carbonyl oxygen
metal ion-binding site 186 Magnesium (chlorophyll-b 3 axial ligand)
metal ion-binding site 225 Magnesium (chlorophyll-a 3 axial ligand)
metal ion-binding site 228 Magnesium (chlorophyll-a 4 axial ligand)
metal ion-binding site 242 Magnesium (chlorophyll-a 5 axial ligand)
metal ion-binding site 257 Magnesium (chlorophyll-a 6 axial ligand)
binding site 95 Chlorophyll-a 1; via amide nitrogen
binding site 119 Chlorophyll-b 2
binding site 189 Chlorophyll-b 4
binding site 224 Chlorophyll-a 5
binding site 230 Chlorophyll-a 1

Keyword

Chlorophyll,Chloroplast,Chromophore,Complete proteome,Magnesium,Membrane,Metal-binding,Phosphoprotein,Photosynthesis,Photosystem I,Photosystem II,Plastid,Reference proteome,Thylakoid,Transit peptide,Transmembrane,Transmembrane helix 

Sequence Source

UniProt 

Protein Sequence

Gene Ontology

GO:0009507; C: chloroplast; IDA: TAIR
GO:0009534; C: chloroplast thylakoid; IDA: TAIR
GO:0009535; C: chloroplast thylakoid membrane; IDA: TAIR
GO:0016021; C: integral component of membrane; IEA: UniProtKB-KW
GO:0016020; C: membrane; IDA: TAIR
GO:0009522; C: photosystem I; IEA: UniProtKB-KW
GO:0009783; C: photosystem II antenna complex; IMP: TAIR
GO:0010287; C: plastoglobule; IDA: TAIR
GO:0009517; C: PSII associated light-harvesting complex II; IDA: TAIR
GO:0009579; C: thylakoid; IDA: TAIR
GO:0016168; F: chlorophyll binding; IEA: UniProtKB-KW
GO:0046872; F: metal ion binding; IEA: UniProtKB-KW
GO:0010196; P: nonphotochemical quenching; IMP: TAIR
GO:0015979; P: photosynthesis; IMP: TAIR
GO:0009765; P: photosynthesis, light harvesting; IEA: InterPro
GO:0018298; P: protein-chromophore linkage; IEA: UniProtKB-KW
GO:0009637; P: response to blue light; IEP: TAIR
GO:0010218; P: response to far red light; IEP: TAIR
GO:0010114; P: response to red light; IEP: TAIR 

Interpro

InterPro; IPR001344; Chloro_AB-bd_pln
InterPro; IPR022796; Chloroa_b-bind
InterPro; IPR023329; Chlorophyll_a/b-bd_dom

Pfam

Pfam; PF00504; Chloroa_b-bind 

SMART

 

PROSITE

 

PRINTS