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P80029

- CRC1_HOMGA

UniProt

P80029 - CRC1_HOMGA

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Protein
Crustacyanin-C1 subunit
Gene
N/A
Organism
Homarus gammarus (European lobster) (Homarus vulgaris)
Status
Reviewed - Annotation score: 3 out of 5 - Experimental evidence at protein leveli

Functioni

Binds the carotenoid astaxanthin (AXT) which provides the blue coloration to the carapace of the lobster.

GO - Molecular functioni

  1. pigment binding Source: UniProtKB-KW
  2. small molecule binding Source: InterPro

GO - Biological processi

  1. transport Source: UniProtKB-KW
Complete GO annotation...

Keywords - Biological processi

Transport

Keywords - Ligandi

Pigment

Names & Taxonomyi

Protein namesi
Recommended name:
Crustacyanin-C1 subunit
OrganismiHomarus gammarus (European lobster) (Homarus vulgaris)
Taxonomic identifieri6707 [NCBI]
Taxonomic lineageiEukaryotaMetazoaEcdysozoaArthropodaCrustaceaMalacostracaEumalacostracaEucaridaDecapodaPleocyemataAstacideaNephropoideaNephropidaeHomarus

Subcellular locationi

GO - Cellular componenti

  1. extracellular space Source: UniProtKB-SubCell
Complete GO annotation...

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Chaini1 – 181181Crustacyanin-C1 subunit
PRO_0000201011Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi12 ↔ 121
Disulfide bondi51 ↔ 173
Disulfide bondi117 ↔ 150

Keywords - PTMi

Disulfide bond

Expressioni

Tissue specificityi

Found in the carapace.

Interactioni

Subunit structurei

Oligomer; Can form dimers (beta-crustacyanin); or complexes of 16 subunits (alpha-crustacyanin). There are five types of subunits: A1, A2, A3, C1 and C2.

Structurei

Secondary structure

Legend: HelixTurnBeta strand
Show more details
Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Beta strandi7 – 104
Helixi17 – 248
Helixi25 – 273
Helixi28 – 314
Beta strandi33 – 419
Beta strandi48 – 5811
Beta strandi63 – 719
Beta strandi76 – 8510
Beta strandi91 – 977
Beta strandi102 – 1109
Beta strandi112 – 12312
Beta strandi127 – 14115
Helixi144 – 15613
Helixi161 – 1633
Beta strandi164 – 1663
Helixi175 – 1784

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
EntryMethodResolution (Å)ChainPositionsPDBsum
1H91X-ray1.40A/B2-180[»]
1I4UX-ray1.15A/B1-181[»]
1OBQX-ray1.85A/B1-181[»]
1OBUX-ray2.00A/B1-181[»]
1S2PX-ray1.30A/B1-181[»]
4ALOX-ray2.37A/B1-180[»]
ProteinModelPortaliP80029.
SMRiP80029. Positions 1-181.

Miscellaneous databases

EvolutionaryTraceiP80029.

Family & Domainsi

Sequence similaritiesi

Family and domain databases

Gene3Di2.40.128.20. 1 hit.
InterProiIPR012674. Calycin.
IPR011038. Calycin-like.
IPR003057. Invtbrt_color.
IPR002345. Lipocalin.
IPR022271. Lipocalin_ApoD.
IPR000566. Lipocln_cytosolic_FA-bd_dom.
[Graphical view]
PfamiPF00061. Lipocalin. 1 hit.
[Graphical view]
PIRSFiPIRSF036893. Lipocalin_ApoD. 1 hit.
PRINTSiPR01273. INVTBRTCOLOR.
PR00179. LIPOCALIN.
SUPFAMiSSF50814. SSF50814. 1 hit.

Sequencei

Sequence statusi: Complete.

P80029-1 [UniParc]FASTAAdd to Basket

« Hide

DKIPDFVVPG KCASVDRNKL WAEQTPNRNS YAGVWYQFAL TNNPYQLIEK    50
CVRNEYSFDG KQFVIKSTGI AYDGNLLKRN GKLYPNPFGE PHLSIDYENS 100
FAAPLVILET DYSNYACLYS CIDYNFGYHS DFSFIFSRSA NLADQYVKKC 150
EAAFKNINVD TTRFVKTVQG SSCPYDTQKT L 181
Length:181
Mass (Da):20,667
Last modified:August 1, 1991 - v1
Checksum:i6A05C7CBA3498EE8
GO

Sequence databases

PIRiS19534.

Cross-referencesi

Web resourcesi

Protein Spotlight

Squeeze me - Issue 26 of September 2002

Sequence databases

PIRi S19534.

3D structure databases

Select the link destinations:
PDBe
RCSB PDB
PDBj
Links Updated
Entry Method Resolution (Å) Chain Positions PDBsum
1H91 X-ray 1.40 A/B 2-180 [» ]
1I4U X-ray 1.15 A/B 1-181 [» ]
1OBQ X-ray 1.85 A/B 1-181 [» ]
1OBU X-ray 2.00 A/B 1-181 [» ]
1S2P X-ray 1.30 A/B 1-181 [» ]
4ALO X-ray 2.37 A/B 1-180 [» ]
ProteinModelPortali P80029.
SMRi P80029. Positions 1-181.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Miscellaneous databases

EvolutionaryTracei P80029.

Family and domain databases

Gene3Di 2.40.128.20. 1 hit.
InterProi IPR012674. Calycin.
IPR011038. Calycin-like.
IPR003057. Invtbrt_color.
IPR002345. Lipocalin.
IPR022271. Lipocalin_ApoD.
IPR000566. Lipocln_cytosolic_FA-bd_dom.
[Graphical view ]
Pfami PF00061. Lipocalin. 1 hit.
[Graphical view ]
PIRSFi PIRSF036893. Lipocalin_ApoD. 1 hit.
PRINTSi PR01273. INVTBRTCOLOR.
PR00179. LIPOCALIN.
SUPFAMi SSF50814. SSF50814. 1 hit.
ProtoNeti Search...

Publicationsi

  1. "Complete sequence and model for the C1 subunit of the carotenoprotein, crustacyanin, and model for the dimer, beta-crustacyanin, formed from the C1 and A2 subunits with astaxanthin."
    Keen J.N., Caceres I., Eliopoulos E.E., Zagalsky P.F., Findlay J.B.C.
    Eur. J. Biochem. 202:31-40(1991) [PubMed] [Europe PMC] [Abstract]
    Cited for: PROTEIN SEQUENCE.
  2. "The C1 subunit of alpha-crustacyanin: the de novo phasing of the crystal structure of a 40 kDa homodimeric protein using the anomalous scattering from S atoms combined with direct methods."
    Gordon E.J., Leonard G.A., McSweeney S., Zagalsky P.F.
    Acta Crystallogr. D 57:1230-1237(2001) [PubMed] [Europe PMC] [Abstract]
    Cited for: X-RAY CRYSTALLOGRAPHY (1.15 ANGSTROMS) OF HOMODIMER.

Entry informationi

Entry nameiCRC1_HOMGA
AccessioniPrimary (citable) accession number: P80029
Entry historyi
Integrated into UniProtKB/Swiss-Prot: August 1, 1991
Last sequence update: August 1, 1991
Last modified: February 19, 2014
This is version 90 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)

Miscellaneousi

Keywords - Technical termi

3D-structure, Direct protein sequencing

Documents

  1. PDB cross-references
    Index of Protein Data Bank (PDB) cross-references
  2. Protein Spotlight
    Protein Spotlight articles and cited UniProtKB/Swiss-Prot entries
  3. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3

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