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Q42850 (PORB_HORVU) Reviewed, UniProtKB/Swiss-Prot

Last modified April 3, 2013. Version 85. Feed History...

Clusters with 100%, 90%, 50% identity | Documents (2) | Third-party data text xml rdf/xml gff fasta
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Names and origin

Protein namesRecommended name:
Protochlorophyllide reductase B, chloroplastic
Short name=PCR B
EC=1.3.1.33
Alternative name(s):
NADPH-protochlorophyllide oxidoreductase B
Short name=POR B
Gene names
Name:PORB
OrganismHordeum vulgare (Barley)
Taxonomic identifier4513 [NCBI]
Taxonomic lineageEukaryota › Viridiplantae › Streptophyta › Embryophyta › Tracheophyta › Spermatophyta › Magnoliophyta › Liliopsida › Poales › Poaceae › BEP clade › Pooideae › Triticeae › Hordeum

Protein attributes

Sequence length395 AA.
Sequence statusComplete.
Sequence processingThe displayed sequence is further processed into a mature form.
Protein existenceEvidence at transcript level

General annotation (Comments)

Function

Phototransformation of protochlorophyllide (Pchlide) to chlorophyllide (Chlide).

Catalytic activity

Chlorophyllide a + NADP+ = protochlorophyllide + NADPH.

Pathway

Porphyrin biosynthesis; chlorophyll biosynthesis.

Subcellular location

Plastid › chloroplast.

Sequence similarities

Belongs to the short-chain dehydrogenases/reductases (SDR) family. POR subfamily.

Ontologies

Keywords
   Biological processChlorophyll biosynthesis
Photosynthesis
   Cellular componentChloroplast
Plastid
   DomainTransit peptide
   LigandNADP
   Molecular functionOxidoreductase
Gene Ontology (GO)
   Biological_processchlorophyll biosynthetic process

Inferred from electronic annotation. Source: UniProtKB-UniPathway

photosynthesis

Inferred from electronic annotation. Source: UniProtKB-KW

   Cellular_componentchloroplast

Inferred from electronic annotation. Source: UniProtKB-SubCell

   Molecular_functionnucleotide binding

Inferred from electronic annotation. Source: InterPro

protochlorophyllide reductase activity

Inferred from electronic annotation. Source: EC

Complete GO annotation...

Sequence annotation (Features)

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifier

Molecule processing

Transit peptide1 – 5959Chloroplast Potential
Chain60 – 395336Protochlorophyllide reductase B, chloroplastic
PRO_0000023294

Sequences

Sequence LengthMass (Da)Tools
Q42850 [UniParc].

Last modified November 1, 1996. Version 1.
Checksum: BFCB90122D6F64B9

FASTA39542,148
        10         20         30         40         50         60 
MALQAATSFL PSALSARKEG AAKDSAFFGV RLADGLKLDA TSLGLRTKRV NTSSVAIRAQ 

        70         80         90        100        110        120 
AAAVSAPTAT PASPAGKKTV RTGNAIITGA SSGLGLATAK ALAESGKWHV IMACRDYLKT 

       130        140        150        160        170        180 
ARAARAAGMP KGSYTIVHLD LASLDSVRQF VKNVRQLDMP IDVVVCNAAV YQPTAKEPSF 

       190        200        210        220        230        240 
TADGFEMSVG VNHLGHFLLA RELLEDLKAS DYPSKRLIIV GSITGNTNTL AGNVPPKANL 

       250        260        270        280        290        300 
GDLRGLAAGL NGVGSAAMID GAEFDGAKAY KDSKVCNMLT MQEFHRRYHE ETGVTFASLY 

       310        320        330        340        350        360 
PGCIATTGLF REHIPLFRLL FPPFQKYITK GYVSEEEAGK RLAQVVSEPS LTKSGVYWSW 

       370        380        390 
NKNSASFENQ LSEEASDTEK ARKVWELSEK LVGLA

« Hide

References

[1]"Two routes of chlorophyllide synthesis that are differentially regulated by light in barley (Hordeum vulgare L.)."
Holtorf H., Reinbothe S., Reinbothe C., Bereza B., Apel K.
Proc. Natl. Acad. Sci. U.S.A. 92:3254-3258(1995) [PubMed] [Europe PMC] [Abstract]
Cited for: NUCLEOTIDE SEQUENCE [MRNA].

Cross-references

Sequence databases

EMBL
GenBank
DDBJ		X84738 mRNA. Translation: CAA59228.1.
PIRS52285.
UniGeneHv.601.

3D structure databases

ProteinModelPortalQ42850.
ModBaseSearch...

Protein-protein interaction databases

DIPDIP-46279N.

Protocols and materials databases

StructuralBiologyKnowledgebaseSearch...

Organism-specific databases

GrameneQ42850.

Enzyme and pathway databases

BRENDA1.3.1.33. 2687.
UniPathwayUPA00668.

Gene expression databases

GenevestigatorQ42850.

Family and domain databases

Gene3D3.40.50.720. 2 hits.
InterProIPR002198. DH_sc/Rdtase_SDR.
IPR002347. Glc/ribitol_DH.
IPR016040. NAD(P)-bd_dom.
IPR005979. Prochl_reduct.
[Graphical view]
PfamPF00106. adh_short. 1 hit.
[Graphical view]
PRINTSPR00081. GDHRDH.
TIGRFAMsTIGR01289. LPOR. 1 hit.
ProtoNetSearch...

Entry information

Entry namePORB_HORVU
AccessionPrimary (citable) accession number: Q42850
Entry history
Integrated into UniProtKB/Swiss-Prot: December 1, 2000
Last sequence update: November 1, 1996
Last modified: April 3, 2013
This is version 85 of the entry and version 1 of the sequence. [Complete history]
Entry statusReviewed (UniProtKB/Swiss-Prot)
Annotation programPlant Protein Annotation Program

Relevant documents

PATHWAY comments

Index of metabolic and biosynthesis pathways

SIMILARITY comments

Index of protein domains and families

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