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Protein

Extracellular globin-3

Gene
N/A
Organism
Lumbricus terrestris (Common earthworm)
Status
Reviewed-Annotation score: -Experimental evidence at protein leveli

Functioni

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Metal bindingi119Iron (heme proximal ligand)1

GO - Molecular functioni

Keywordsi

Biological processOxygen transport, Transport
LigandHeme, Iron, Metal-binding

Names & Taxonomyi

Protein namesi
Recommended name:
Extracellular globin-3
Alternative name(s):
Erythrocruorin
Extracellular globin III
Globin C
OrganismiLumbricus terrestris (Common earthworm)
Taxonomic identifieri6398 [NCBI]
Taxonomic lineageiEukaryotaMetazoaLophotrochozoaAnnelidaClitellataOligochaetaHaplotaxidaLumbricinaLumbricidaeLumbricinaeLumbricus

Subcellular locationi

Extracellular region or secreted Cytosol Plasma membrane Cytoskeleton Lysosome Endosome Peroxisome ER Golgi apparatus Nucleus Mitochondrion Manual annotation Automatic computational assertionGraphics by Christian Stolte; Source: COMPARTMENTS

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 172 PublicationsAdd BLAST17
ChainiPRO_000001121318 – 170Extracellular globin-3Add BLAST153

Amino acid modifications

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Disulfide bondi23Interchain (with chain IV)By similarity
Disulfide bondi24 ↔ 156By similarity

Keywords - PTMi

Disulfide bond

Interactioni

Subunit structurei

The extracellular hemoglobin of the earthworm consists of 12 subunits that have a hexagonal bilayer structure with a molecular weight near 3.8 million. Each one-twelfth subunit is composed primarily of disulfide linked trimers (chains A, B, and C) and monomers (chain D).1 Publication

Protein-protein interaction databases

DIPiDIP-29124N
IntActiP11069, 1 interactor

Structurei

Secondary structure

1170
Legend: HelixTurnBeta strandPDB Structure known for this area
Show more details
Feature keyPosition(s)DescriptionActionsGraphical viewLength
Beta strandi22 – 24Combined sources3
Helixi26 – 37Combined sources12
Helixi38 – 40Combined sources3
Beta strandi41 – 43Combined sources3
Helixi45 – 63Combined sources19
Helixi67 – 70Combined sources4
Helixi72 – 74Combined sources3
Helixi76 – 78Combined sources3
Helixi82 – 100Combined sources19
Turni101 – 103Combined sources3
Helixi105 – 120Combined sources16
Helixi127 – 144Combined sources18
Helixi150 – 165Combined sources16

3D structure databases

Select the link destinations:
PDBei
RCSB PDBi
PDBji
Links Updated
PDB entryMethodResolution (Å)ChainPositionsPDBsum
1X9FX-ray2.60C/G/K18-170[»]
2GTLX-ray3.50C/G/K18-170[»]
4V93electron microscopy8.10A0/A5/AC/AH/AM/AR/AW/Ab/Ag/Al/Aq/Av20-168[»]
B4/BB/BG/BL/BQ/BV/Ba/Bf/Bk/Bp/Bu/Bz/C3/CA/CF/CK/CP/CU/CZ/Ce/Cj/Co/Ct/Cy1-170[»]
5M3Lelectron microscopy3.80C/G/K18-170[»]
ProteinModelPortaliP11069
SMRiP11069
ModBaseiSearch...
MobiDBiSearch...

Miscellaneous databases

EvolutionaryTraceiP11069

Family & Domainsi

Sequence similaritiesi

Belongs to the globin family.PROSITE-ProRule annotation

Keywords - Domaini

Signal

Family and domain databases

Gene3Di1.10.490.10, 1 hit
InterProiView protein in InterPro
IPR000971 Globin
IPR009050 Globin-like_sf
IPR012292 Globin/Proto
IPR014610 Haemoglobin_extracell
PfamiView protein in Pfam
PF00042 Globin, 1 hit
PIRSFiPIRSF036517 Ext_hemo, 1 hit
SUPFAMiSSF46458 SSF46458, 1 hit
PROSITEiView protein in PROSITE
PS01033 GLOBIN, 1 hit

Sequencei

Sequence statusi: Complete.

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

P11069-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MLRQLLVLVG LAVVCLADEH EHCCSEEDHR IVQKQWDILW RDTESSKIKI
60 70 80 90 100
GFGRLLLTKL AKDIPDVNDL FKRVDIEHAE GPKFSAHALR ILNGLDLAIN
110 120 130 140 150
LLDDPPALDA ALDHLAHQHE VREGVQKAHF KKFGEILATG LPQVLDDYDA
160 170
LAWKSCLKGI LTKISSRLNA
Length:170
Mass (Da):19,082
Last modified:April 1, 1990 - v3
Checksum:i03306F66E8BE3057
GO

Experimental Info

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Sequence conflicti17A → T (PubMed:2832953).Curated1

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
J03082 mRNA Translation: AAA75013.1
J05161 Genomic DNA Translation: AAA98622.1
PIRiA28563
A34433
C28151

Similar proteinsi

Entry informationi

Entry nameiGLB3_LUMTE
AccessioniPrimary (citable) accession number: P11069
Entry historyiIntegrated into UniProtKB/Swiss-Prot: July 1, 1989
Last sequence update: April 1, 1990
Last modified: April 25, 2018
This is version 101 of the entry and version 3 of the sequence. See complete history.
Entry statusiReviewed (UniProtKB/Swiss-Prot)

Miscellaneousi

Keywords - Technical termi

3D-structure, Direct protein sequencing
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Main funding by: National Institutes of Health