2BIS: Glycogen synthase from Pyrococcus abyssi

Structure of glycogen synthase from Pyrococcus abyssi. Determined by X-ray diffraction at 2.8 Å resolution. Released 28 Nov 2005.

Method
X-ray diffraction
Resolution
2.8 Å
Organism
PYROCOCCUS ABYSSI
Chains
3
Atoms
10,581
Mol. weight
150.28 kDa
Ligands
UDP, DIO, GLC
Released
28 Nov 2005

Explore 2BIS in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2BIS contains 72 α-helices and 62 β-strands across 3 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 24 helices, 21 β-strands

ElementResiduesLengthSheet
β-strand2-651
α-helix18-3114
β-strand35-4171
β-strand49-5571
β-strand60-70111
β-strand73-7971
α-helix82-843
α-helix92-11423
α-helix119-1213
β-strand123-12751
α-helix129-1313
α-helix132-14211
β-strand146-15051
β-strand158-15922
α-helix160-1656
α-helix169-1713
β-strand176-17722
α-helix179-1868
β-strand189-19241
α-helix195-2006
α-helix202-2054
α-helix206-2083
β-strand212-21431
α-helix226-2283
α-helix233-24311
β-strand250-25563
β-strand25814
α-helix265-27511
α-helix279-2835
β-strand284-28963
β-strand29214
α-helix294-30512
β-strand310-31343
α-helix319-3268
β-strand331-33443
α-helix343-3497
α-helix3531
β-strand354-35853
α-helix363-3664
β-strand373-37533
α-helix380-39112
α-helix399-41113
α-helix414-42613
β-strand43211
β-strand43615
Chain B: 23 helices, 22 β-strands
ElementResiduesLengthSheet
β-strand2-656
β-strand1017
β-strand1317
α-helix18-3114
β-strand35-4176
β-strand49-5686
β-strand59-70126
β-strand73-7976
α-helix82-843
α-helix92-11423
β-strand123-12756
α-helix129-1313
α-helix132-14211
β-strand146-15056
β-strand158-15928
α-helix161-1666
α-helix169-1713
β-strand176-17728
α-helix179-1868
β-strand189-19246
α-helix195-2006
α-helix202-2054
α-helix206-2083
β-strand212-21436
α-helix226-2283
α-helix233-24311
β-strand250-25569
β-strand258110
α-helix265-27612
α-helix279-2835
β-strand284-28969
β-strand292110
α-helix294-30613
β-strand310-31349
α-helix319-3268
β-strand331-33449
α-helix343-3508
α-helix3531
β-strand354-35859
α-helix362-3665
β-strand373-37539
α-helix380-39213
α-helix396-41015
α-helix414-42512
β-strand43611
Chain C: 25 helices, 19 β-strands
ElementResiduesLengthSheet
β-strand2-655
α-helix18-3114
β-strand35-4175
β-strand49-5685
β-strand59-70125
β-strand73-7975
α-helix82-843
α-helix92-11423
α-helix119-1213
β-strand123-12755
α-helix129-1313
α-helix132-14211
β-strand146-15055
β-strand158-159211
α-helix161-1666
α-helix169-1713
β-strand176-177211
α-helix179-1868
β-strand189-19245
α-helix195-2006
α-helix202-2054
α-helix206-2083
β-strand212-21435
α-helix226-2283
α-helix233-24210
β-strand251-254412
α-helix265-2739
α-helix280-2823
β-strand285-289512
α-helix294-30613
β-strand310-313412
α-helix319-3268
β-strand331-334412
α-helix343-3519
α-helix3531
β-strand354-357412
α-helix363-3664
α-helix369-3713
β-strand373-374212
α-helix380-39112
α-helix399-40911
α-helix414-42613
β-strand43215
β-strand43616

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Glga glycogen synthaseA, B, Cprotein440PYROCOCCUS ABYSSIQ9V2J8 (AlphaFold model)
Sequence of entity 1 (A, B, C), FASTA
>2BIS_1 GLGA GLYCOGEN SYNTHASE (chains A, B, C)
GSHMKVLLLGFEFLPVKVGGLAEALTAISEALASLGHEVLVFTPSHGRFQGEEIGKIRVF
GEEVQVKVSYEERGNLRIYRIGGGLLDSEDVYGPGWDGLIRKAVTFGRASVLLLNDLLRE
EPLPDVVHFHDWHTVFAGALIKKYFKIPAVFTIHRLNKSKLPAFYFHEAGLSELAPYPDI
DPEHTGGYIADIVTTVSRGYLIDEWGFFRNFEGKITYVFNGIDCSFWNESYLTGSRDERK
KSLLSKFGMDEGVTFMFIGRFDRGQKGVDVLLKAIEILSSKKEFQEMRFIIIGKGDPELE
GWARSLEEKHGNVKVITEMLSREFVRELYGSVDFVIIPSYFEPFGLVALEAMCLGAIPIA
SAVGGLRDIITNETGILVKAGDPGELANAILKALELSRSDLSKFRENCKKRAMSFSWEKS
AERYVKAYTGSIDRAFDFIL

Ligands and cofactors

IDNameFormulaCopies
UDPUridine-5'-diphosphateC9 H14 N2 O12 P21
DIO1,4-diethylene dioxideC4 H8 O210
GLCalpha-D-glucopyranoseC6 H12 O62

Water and common crystallization additives (GOL) are not listed.

Primary citation

Crystal Structure of an Archaeal Glycogen Synthase: Insights Into Oligomerisation and Substrate Binding of Eukaryotic Glycogen Synthases. Horcajada, C., Guinovart, J.J., Fita, I. et al. J Biol Chem (2006) 281:2923. DOI 10.1074/JBC.M507394200 · PubMed

Other PDB entries of the same protein (UniProt Q9V2J8 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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