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A3QVN5

- HYAL4_CERCE

UniProt

A3QVN5 - HYAL4_CERCE

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Protein

Hyaluronidase-4

Gene
N/A
Organism
Cerastes cerastes (Horned desert viper)
Status
Reviewed - Annotation score: 3 out of 5- Experimental evidence at transcript leveli

Functioni

Snake venom endo-hyaluronidase that degrades hyaluronan to smaller oligosaccharide fragments. In venom, it is not toxic by itself, but increases the diffusion of other venom proteins by degrading the extracellular matrix. In addition, it displays antiedematogenic activity By similarity.By similarity

Catalytic activityi

Random hydrolysis of (1->4)-linkages between N-acetyl-beta-D-glucosamine and D-glucuronate residues in hyaluronate.

Sites

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Active sitei135 – 1351Proton donorBy similarity

GO - Molecular functioni

  1. hyalurononglucosaminidase activity Source: UniProtKB-EC

GO - Biological processi

  1. carbohydrate metabolic process Source: InterPro
Complete GO annotation...

Keywords - Molecular functioni

Glycosidase, Hydrolase

Names & Taxonomyi

Protein namesi
Recommended name:
Hyaluronidase-4 (EC:3.2.1.35)
Short name:
Hy-4
Alternative name(s):
Hyaluronoglucosaminidase-4
Venom spreading factor
OrganismiCerastes cerastes (Horned desert viper)
Taxonomic identifieri8697 [NCBI]
Taxonomic lineageiEukaryotaMetazoaChordataCraniataVertebrataEuteleostomiLepidosauriaSquamataBifurcataUnidentataEpisquamataToxicoferaSerpentesColubroideaViperidaeViperinaeCerastes

Subcellular locationi

Secreted By similarity

GO - Cellular componenti

  1. extracellular region Source: UniProtKB-KW
Complete GO annotation...

Keywords - Cellular componenti

Secreted

PTM / Processingi

Molecule processing

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Signal peptidei1 – 2323By similarityAdd
BLAST
Chaini24 – 449426Hyaluronidase-4PRO_0000420460Add
BLAST

Amino acid modifications

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Disulfide bondi47 ↔ 340By similarity
Glycosylationi67 – 671N-linked (GlcNAc...)Sequence Analysis
Glycosylationi103 – 1031N-linked (GlcNAc...)Sequence Analysis
Glycosylationi111 – 1111N-linked (GlcNAc...)Sequence Analysis
Glycosylationi153 – 1531N-linked (GlcNAc...)Sequence Analysis
Disulfide bondi211 ↔ 227By similarity
Glycosylationi357 – 3571N-linked (GlcNAc...)Sequence Analysis
Disulfide bondi365 ↔ 376By similarity
Disulfide bondi370 ↔ 427By similarity
Glycosylationi401 – 4011N-linked (GlcNAc...)Sequence Analysis
Disulfide bondi429 ↔ 438By similarity

Keywords - PTMi

Disulfide bond, Glycoprotein

Expressioni

Tissue specificityi

Expressed by the venom gland.

Interactioni

Subunit structurei

Monomer.By similarity

Structurei

3D structure databases

ProteinModelPortaliA3QVN5.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)LengthDescriptionGraphical viewFeature identifierActions
Domaini427 – 43812EGF-likeAdd
BLAST

Sequence similaritiesi

Belongs to the glycosyl hydrolase 56 family.Curated
Contains 1 EGF-like domain.Curated

Keywords - Domaini

EGF-like domain, Signal

Phylogenomic databases

HOVERGENiHBG052053.

Family and domain databases

Gene3Di3.20.20.70. 1 hit.
InterProiIPR013785. Aldolase_TIM.
IPR000742. EG-like_dom.
IPR017853. Glycoside_hydrolase_SF.
IPR018155. Hyaluronidase.
[Graphical view]
PANTHERiPTHR11769. PTHR11769. 1 hit.
PfamiPF01630. Glyco_hydro_56. 1 hit.
[Graphical view]
PIRSFiPIRSF038193. Hyaluronidase. 1 hit.
PRINTSiPR00846. GLHYDRLASE56.
SMARTiSM00181. EGF. 1 hit.
[Graphical view]
SUPFAMiSSF51445. SSF51445. 1 hit.
PROSITEiPS00022. EGF_1. 1 hit.
PS01186. EGF_2. 1 hit.
[Graphical view]

Sequencei

Sequence statusi: Complete.

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

A3QVN5-1 [UniParc]FASTAAdd to Basket

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        10         20         30         40         50
MYHIWIKFLA AWIFLKRFNG VHVMQAKAPM YRNEPFLVFW NAPTTQCRLR
60 70 80 90 100
YKVDLDLKTF HIVSNANDSL SGSAVTIFYP NHLGVYPHID DRGHFFHGII
110 120 130 140 150
PQNESLTKHL NKSKSDINRI IPLKAFHGLG VIDWENWRPQ WDRNWGSKNV
160 170 180 190 200
YRNRSIQFAR DLHPELSEDK IRRLAKKEYE KAAKSFMRDT LLLAEEMRPD
210 220 230 240 250
GYWGYYLYPD CQNYDYKTKG DQYTGKCPEI EMSRNDQLLW LWRDSTALFP
260 270 280 290 300
NVYLEIILRS SDNALKFVHH RLKEAMRIAS MAREDYALPV FAYARPFYAY
310 320 330 340 350
TFEPLTQEDL VTTVGETAAM GAAGIVFWGS VQYASTVDSC QKVKKYMNGP
360 370 380 390 400
LGRYIVNVTT AAKICSRVLC RKNGRCVRKH SDSNAFLHLF PESFRIMVYA
410 420 430 440
NATEKKVIVK GKLELENLIY LRENFMCQCY QGWKGLYCEE YSIKDIRKI
Length:449
Mass (Da):52,622
Last modified:April 3, 2007 - v1
Checksum:iE96697FCA6918F60
GO

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
DQ840252 mRNA. Translation: ABI33940.1.

Cross-referencesi

Sequence databases

Select the link destinations:
EMBL
GenBank
DDBJ
Links Updated
DQ840252 mRNA. Translation: ABI33940.1 .

3D structure databases

ProteinModelPortali A3QVN5.
ModBasei Search...
MobiDBi Search...

Protocols and materials databases

Structural Biology Knowledgebase Search...

Phylogenomic databases

HOVERGENi HBG052053.

Family and domain databases

Gene3Di 3.20.20.70. 1 hit.
InterProi IPR013785. Aldolase_TIM.
IPR000742. EG-like_dom.
IPR017853. Glycoside_hydrolase_SF.
IPR018155. Hyaluronidase.
[Graphical view ]
PANTHERi PTHR11769. PTHR11769. 1 hit.
Pfami PF01630. Glyco_hydro_56. 1 hit.
[Graphical view ]
PIRSFi PIRSF038193. Hyaluronidase. 1 hit.
PRINTSi PR00846. GLHYDRLASE56.
SMARTi SM00181. EGF. 1 hit.
[Graphical view ]
SUPFAMi SSF51445. SSF51445. 1 hit.
PROSITEi PS00022. EGF_1. 1 hit.
PS01186. EGF_2. 1 hit.
[Graphical view ]
ProtoNeti Search...

Publicationsi

  1. "Identification of cDNAs encoding viper venom hyaluronidases: cross-generic sequence conservation of full-length and unusually short variant transcripts."
    Harrison R.A., Ibison F., Wilbraham D., Wagstaff S.C.
    Gene 392:22-33(2007) [PubMed] [Europe PMC] [Abstract]
    Cited for: NUCLEOTIDE SEQUENCE [MRNA].
    Tissue: Venom gland.

Entry informationi

Entry nameiHYAL4_CERCE
AccessioniPrimary (citable) accession number: A3QVN5
Entry historyi
Integrated into UniProtKB/Swiss-Prot: November 28, 2012
Last sequence update: April 3, 2007
Last modified: October 29, 2014
This is version 31 of the entry and version 1 of the sequence. [Complete history]
Entry statusiReviewed (UniProtKB/Swiss-Prot)
Annotation programChordata Protein Annotation Program

Miscellaneousi

Documents

  1. Glycosyl hydrolases
    Classification of glycosyl hydrolase families and list of entries
  2. SIMILARITY comments
    Index of protein domains and families

External Data

Dasty 3