2CBI: Hyaluronidase

Structure of the Clostridium perfringens NagJ family 84 glycoside hydrolase, a homologue of human O-GlcNAcase. Determined by X-ray diffraction at 2.25 Å resolution. Released 13 Feb 2006.

Method
X-ray diffraction
Resolution
2.25 Å
Organism
CLOSTRIDIUM PERFRINGENS
Chains
2
Atoms
9,931
Mol. weight
134.58 kDa
Ligands
GBL, ZN
Released
13 Feb 2006

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

Secondary structure: helices and β-sheets

2CBI contains 69 α-helices and 46 β-strands across 2 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: 35 helices, 22 β-strands

ElementResiduesLengthSheet
α-helix49-502
β-strand52-61101
α-helix62-632
β-strand65-6951
α-helix76-8813
β-strand92-9321
α-helix941
β-strand102-10871
α-helix114-1207
α-helix1291
β-strand133-13861
β-strand141-14661
α-helix149-16214
β-strand16411
β-strand167-17591
β-strand181-18552
α-helix192-1943
α-helix195-20713
β-strand212-21542
α-helix221-2233
α-helix230-2323
α-helix233-2353
α-helix236-24813
β-strand252-25762
α-helix259-2613
α-helix267-28519
β-strand291-29552
α-helix304-31411
α-helix315-3206
α-helix321-3222
α-helix325-3284
β-strand329-33132
α-helix337-3404
β-strand341-34223
β-strand345-34623
α-helix348-3569
β-strand362-36542
β-strand37514
α-helix377-38711
β-strand391-39552
β-strand41514
α-helix419-4213
β-strand423-42862
α-helix434-44916
α-helix456-46813
α-helix469-4713
α-helix472-4798
β-strand485-48625
β-strand492-49325
α-helix4961
α-helix499-51214
α-helix519-54224
α-helix545-57632
α-helix580-59819
α-helix606-6105
α-helix611-6188
α-helix621-6233
Chain B: 34 helices, 24 β-strands
ElementResiduesLengthSheet
α-helix42-454
α-helix49-502
β-strand52-61106
α-helix62-632
β-strand65-6956
α-helix76-8813
β-strand92-9326
α-helix941
β-strand102-10876
α-helix114-1207
β-strand133-13866
β-strand141-14666
α-helix149-16214
β-strand16416
β-strand167-17596
β-strand181-18557
α-helix192-1943
α-helix195-20713
β-strand212-21547
α-helix221-2233
α-helix230-2323
α-helix233-24816
β-strand252-25767
α-helix267-28519
β-strand291-29557
α-helix304-31411
α-helix315-3195
α-helix320-3223
α-helix326-3283
β-strand329-33137
α-helix337-3404
β-strand341-34228
β-strand345-34628
α-helix348-3569
β-strand362-36547
β-strand37519
α-helix377-38711
β-strand391-39557
β-strand406110
β-strand41519
α-helix419-4213
β-strand423-42867
α-helix434-44916
α-helix451-4533
α-helix456-46813
α-helix469-4713
α-helix472-4798
β-strand485-486211
β-strand492-493211
α-helix4961
α-helix499-51214
α-helix519-54224
α-helix545-57632
α-helix580-59920
β-strand603110
α-helix606-6105
α-helix611-6177
α-helix621-6233

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
HyaluronidaseA, Bprotein594CLOSTRIDIUM PERFRINGENSQ0TR53 (AlphaFold model)
Sequence of entity 1 (A, B), FASTA
>2CBI_1 HYALURONIDASE (chains A, B)
VGPKTGEENQVLVPNLNPTPENLEVVGDGFKITSSINLVGEEEADENAVNALREFLTANN
IEINSENDPNSTTLIIGEVDDDIPELDEALNGTTAENLKEEGYALVSNDGKIAIEGKDGD
GTFYGVQTFKQLVKESNIPEVNITDYPTVSARGIVEGFYGTPWTHQDRLDQIKFYGENKL
NTYIYAPKDDPYHREKWREPYPESEMQRMQELINASAENKVDFVFGISPGIDIRFDGDAG
EEDFNHLITKAESLYDMGVRSFAIYWDDIQDKSAAKHAQVLNRFNEEFVKAKGDVKPLIT
VPTEYDTGAMVSNGQPRAYTRIFAETVDPSIEVMWTGPGVVTNEIPLSDAQLISGIYNRN
MAVWWNYPVTDYFKGKLALGPMHGLDKGLNQYVDFFTVNPMEHAELSKISIHTAADYSWN
MDNYDYDKAWNRAIDMLYGDLAEDMKVFANHSTRMDNKTWAKSGREDAPELRAKMDELWN
KLSSKEDASALIEELYGEFARMEEACNNLKANLPEVALEECSRQLDELITLAQGDKASLD
MIVAQLNEDTEAYESAKEIAQNKLNTALSSFAVISEKVAQSFIQEALSFDLTLI

Ligands and cofactors

IDNameFormulaCopies
GBLGamma-butyrolactoneC4 H6 O22
ZNZinc ionZn11

Water and common crystallization additives (SO4, CL, GOL) are not listed.

Primary citation

Structural insights into the mechanism and inhibition of eukaryotic O-GlcNAc hydrolysis. Rao, F.V., Dorfmueller, H.C., Villa, F. et al. EMBO J (2006) 25:1569-1578. DOI 10.1038/sj.emboj.7601026 · PubMed

Other PDB entries of the same protein (UniProt Q0TR53 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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