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Protein

Alpha-amylase

Gene
N/A
Organism
Hordeum vulgare (Barley)
Status
Unreviewed-Annotation score: Annotation score: 2 out of 5-Experimental evidence at transcript leveli

Functioni

Catalytic activityi

Endohydrolysis of (1->4)-alpha-D-glucosidic linkages in polysaccharides containing three or more (1->4)-alpha-linked D-glucose units.UniRule annotation

Cofactori

Ca2+UniRule annotation

Sites

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Active sitei204NucleophileUniRule annotation1
Active sitei229Proton donorUniRule annotation1
Binding sitei231SubstrateUniRule annotation1
Binding sitei233SubstrateUniRule annotation1
Binding sitei251SubstrateUniRule annotation1
Binding sitei258SubstrateUniRule annotation1
Binding sitei295SubstrateUniRule annotation1
Binding sitei314SubstrateUniRule annotation1
Binding sitei320SubstrateUniRule annotation1
Binding sitei399SubstrateUniRule annotation1
Binding sitei426SubstrateUniRule annotation1

GO - Molecular functioni

GO - Biological processi

Keywordsi

Molecular functionGlycosidaseUniRule annotation, Hydrolase
Biological processCarbohydrate metabolismUniRule annotation

Protein family/group databases

CAZyiGH13. Glycoside Hydrolase Family 13.

Names & Taxonomyi

Protein namesi
Recommended name:
Alpha-amylaseUniRule annotation (EC:3.2.1.1UniRule annotation)
Alternative name(s):
1,4-alpha-D-glucan glucanohydrolaseUniRule annotation
OrganismiHordeum vulgare (Barley)Imported
Taxonomic identifieri4513 [NCBI]
Taxonomic lineageiEukaryotaViridiplantaeStreptophytaEmbryophytaTracheophytaSpermatophytaMagnoliophytaLiliopsidaPoalesPoaceaeBOP cladePooideaeTriticodaeTriticeaeHordeinaeHordeum

PTM / Processingi

Molecule processing

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Signal peptidei1 – 24UniRule annotationAdd BLAST24
ChainiPRO_501060564425 – 438Alpha-amylaseUniRule annotationAdd BLAST414

Structurei

3D structure databases

ProteinModelPortaliQ40017.
ModBaseiSearch...
MobiDBiSearch...

Family & Domainsi

Domains and Repeats

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Domaini26 – 367AamyInterPro annotationAdd BLAST342
Domaini368 – 428Alpha-amyl_C2InterPro annotationAdd BLAST61

Region

Feature keyPosition(s)DescriptionActionsGraphical viewLength
Regioni69 – 71Substrate bindingUniRule annotation3
Regioni76 – 77Substrate bindingUniRule annotation2
Regioni202 – 207Substrate bindingUniRule annotation6
Regioni301 – 303Substrate bindingUniRule annotation3
Regioni404 – 406Substrate bindingUniRule annotation3
Regioni416 – 422Substrate bindingUniRule annotation7

Sequence similaritiesi

Belongs to the glycosyl hydrolase 13 family.UniRule annotation

Keywords - Domaini

SignalUniRule annotation

Phylogenomic databases

eggNOGiKOG0471. Eukaryota.
COG0366. LUCA.

Family and domain databases

InterProiView protein in InterPro
IPR012850. A-amylase_bs_C.
IPR013775. A-amylase_pln.
IPR006046. Alpha_amylase.
IPR006047. Glyco_hydro_13_cat_dom.
IPR017853. Glycoside_hydrolase_SF.
PfamiView protein in Pfam
PF07821. Alpha-amyl_C2. 1 hit.
PF00128. Alpha-amylase. 1 hit.
PIRSFiPIRSF001028. Alph-amls_plant. 1 hit.
PRINTSiPR00110. ALPHAAMYLASE.
SMARTiView protein in SMART
SM00642. Aamy. 1 hit.
SM00810. Alpha-amyl_C2. 1 hit.
SUPFAMiSSF51445. SSF51445. 1 hit.

Sequencei

Sequence statusi: Complete.

Q40017-1 [UniParc]FASTAAdd to basket

« Hide

        10         20         30         40         50
MGKNGSLCCF SLLLLLLLAG LASGHQVLFQ GFNWESWKQS GGWYNMMMGK
60 70 80 90 100
VDDIAAVGVT HVWLPPPSHS VSNEGYMPGR LYDIDASKYG NAAELKSLIG
110 120 130 140 150
ALHGKGVQAI ADIVINHRCA DYKDSRGIYC IFEGGTSDGR LDWGPHMICR
160 170 180 190 200
DDTKYSDGTA NLDTGADFAA APDIDHLNDR VQRELKEWLL WLKSDLGFDA
210 220 230 240 250
WRLDFARGYS PEMAKVYIDG TSPSLAVAEV WDNMATGGDG KPNYDQDAHR
260 270 280 290 300
QNLVNWVDKV GGAASAGMVF DFTTKGILNA AVEGELWRLI DPQGKAPGVM
310 320 330 340 350
GWWPAKAATF VDNHDTGSTQ AMWPFPSDKV MQGYAYILTH PGIPCIFYDH
360 370 380 390 400
FFNWGFKDQI AALVAIRKRN GITATSALKI LMHEGDAYVA EIDGKVVVKI
410 420 430
GSRYDVGAVI PAGFVTSAHG NDYAVWEKNG AAATLQRS
Length:438
Mass (Da):47,824
Last modified:November 1, 1996 - v1
Checksum:i38945AF66DBA2309
GO

Sequence databases

Select the link destinations:
EMBLi
GenBanki
DDBJi
Links Updated
M17128 mRNA. Translation: AAA32927.1.

Similar proteinsi

Entry informationi

Entry nameiQ40017_HORVU
AccessioniPrimary (citable) accession number: Q40017
Entry historyiIntegrated into UniProtKB/TrEMBL: November 1, 1996
Last sequence update: November 1, 1996
Last modified: October 25, 2017
This is version 92 of the entry and version 1 of the sequence. See complete history.
Entry statusiUnreviewed (UniProtKB/TrEMBL)