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- PDB-3czs: Golgi alpha-mannosidase II (D204A nucleophile mutant) -

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Basic information

Entry
Database: PDB / ID: 3czs
TitleGolgi alpha-mannosidase II (D204A nucleophile mutant)
ComponentsAlpha-mannosidase 2
KeywordsHYDROLASE / glycosyl hydrolase / mannosidase / N-terminal alpha-beta domain / three helix bundle / 2 C-terminal beta barrels
Function / homology
Function and homology information


mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase / mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase activity / rhodopsin biosynthetic process / encapsulation of foreign target / Reactions specific to the complex N-glycan synthesis pathway / mannosidase activity / alpha-mannosidase activity / N-glycan processing / mannose metabolic process / Golgi stack ...mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase / mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase activity / rhodopsin biosynthetic process / encapsulation of foreign target / Reactions specific to the complex N-glycan synthesis pathway / mannosidase activity / alpha-mannosidase activity / N-glycan processing / mannose metabolic process / Golgi stack / protein deglycosylation / protein glycosylation / carbohydrate binding / Golgi membrane / endoplasmic reticulum / metal ion binding
Similarity search - Function
Alpha-mannosidase 2, C-terminal sub-domain / : / Glycosyl hydrolases family 38 C-terminal sub-domain / Lysosomal alpha-mannosidase-like, central domain / Immunoglobulin-like - #1360 / Glycoside hydrolase family 38, central domain / Golgi alpha-mannosidase II; domain 4 / Glycoside hydrolase 38, N terminal domain / 7-stranded beta/alpha barrel / Glycoside hydrolase family 38, N-terminal domain ...Alpha-mannosidase 2, C-terminal sub-domain / : / Glycosyl hydrolases family 38 C-terminal sub-domain / Lysosomal alpha-mannosidase-like, central domain / Immunoglobulin-like - #1360 / Glycoside hydrolase family 38, central domain / Golgi alpha-mannosidase II; domain 4 / Glycoside hydrolase 38, N terminal domain / 7-stranded beta/alpha barrel / Glycoside hydrolase family 38, N-terminal domain / Glycosyl hydrolase family 38, C-terminal / Glycoside hydrolase family 38, central domain / Glycoside hydrolase family 38, central domain superfamily / Glycosyl hydrolases family 38 N-terminal domain / Glycosyl hydrolases family 38 C-terminal domain / Alpha mannosidase middle domain / Alpha mannosidase, middle domain / Glycoside hydrolase 38, N-terminal domain superfamily / Glycoside hydrolase families 57/38, central domain superfamily / Glycoside hydrolase/deacetylase, beta/alpha-barrel / Substrate Binding Domain Of Dnak; Chain:A; Domain 2 / Beta-galactosidase; Chain A, domain 5 / Galactose mutarotase-like domain superfamily / Golgi alpha-mannosidase II / Glycosyl hydrolase, all-beta / Distorted Sandwich / Alpha-Beta Barrel / Up-down Bundle / Immunoglobulin-like / Sandwich / Mainly Beta / Mainly Alpha / Alpha Beta
Similarity search - Domain/homology
alpha-D-mannopyranose / Alpha-mannosidase 2
Similarity search - Component
Biological speciesDrosophila melanogaster (fruit fly)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.3 Å
AuthorsShah, N. / Rose, D.R.
CitationJournal: Proc.Natl.Acad.Sci.Usa / Year: 2008
Title: Golgi alpha-mannosidase II cleaves two sugars sequentially in the same catalytic site.
Authors: Shah, N. / Kuntz, D.A. / Rose, D.R.
History
DepositionApr 29, 2008Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jun 24, 2008Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.2Jul 29, 2020Group: Advisory / Data collection ...Advisory / Data collection / Database references / Derived calculations / Structure summary
Category: chem_comp / database_PDB_caveat ...chem_comp / database_PDB_caveat / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / pdbx_unobs_or_zero_occ_atoms / struct_conn / struct_conn_type / struct_ref_seq_dif / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _struct_conn.conn_type_id / _struct_conn.id / _struct_conn.pdbx_dist_value / _struct_conn.pdbx_leaving_atom_flag / _struct_conn.pdbx_role / _struct_conn.ptnr1_auth_comp_id / _struct_conn.ptnr1_auth_seq_id / _struct_conn.ptnr1_label_asym_id / _struct_conn.ptnr1_label_atom_id / _struct_conn.ptnr1_label_comp_id / _struct_conn.ptnr1_label_seq_id / _struct_conn.ptnr2_auth_comp_id / _struct_conn.ptnr2_auth_seq_id / _struct_conn.ptnr2_label_asym_id / _struct_conn.ptnr2_label_atom_id / _struct_conn.ptnr2_label_comp_id / _struct_conn_type.id / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.3Oct 20, 2021Group: Advisory / Database references / Structure summary
Category: chem_comp / database_2 ...chem_comp / database_2 / pdbx_unobs_or_zero_occ_atoms / struct_ref_seq_dif
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI ..._chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Alpha-mannosidase 2
hetero molecules


Theoretical massNumber of molelcules
Total (without water)120,2435
Polymers119,6581
Non-polymers5854
Water26,7161483
1


  • Idetical with deposited unit
  • defined by author&software
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)68.846, 109.889, 138.490
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number19
Space group name H-MP212121

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Components

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Protein , 1 types, 1 molecules A

#1: Protein Alpha-mannosidase 2 / / Alpha-mannosidase II / Mannosyl-oligosaccharide 1 / 3-1 / 6-alpha-mannosidase / MAN II / Golgi ...Alpha-mannosidase II / Mannosyl-oligosaccharide 1 / 3-1 / 6-alpha-mannosidase / MAN II / Golgi alpha-mannosidase II / AMAN II


Mass: 119657.602 Da / Num. of mol.: 1 / Fragment: Catalytic domain; UNP residues 76-1108 / Mutation: D204A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Drosophila melanogaster (fruit fly) / Gene: alpha-Man-II, GmII / Plasmid: pMTBIP_NHIS / Production host: Drosophila melanogaster (fruit fly) / Strain (production host): S2 cells
References: UniProt: Q24451, mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase

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Sugars , 2 types, 2 molecules

#2: Sugar ChemComp-NAG / 2-acetamido-2-deoxy-beta-D-glucopyranose / N-acetyl-beta-D-glucosamine / 2-acetamido-2-deoxy-beta-D-glucose / 2-acetamido-2-deoxy-D-glucose / 2-acetamido-2-deoxy-glucose / N-ACETYL-D-GLUCOSAMINE / N-Acetylglucosamine


Type: D-saccharide, beta linking / Mass: 221.208 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: C8H15NO6
IdentifierTypeProgram
DGlcpNAcbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
N-acetyl-b-D-glucopyranosamineCOMMON NAMEGMML 1.0
b-D-GlcpNAcIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GlcNAcSNFG CARBOHYDRATE SYMBOLGMML 1.0
#3: Sugar ChemComp-MAN / alpha-D-mannopyranose / alpha-D-mannose / D-mannose / mannose / Mannose


Type: D-saccharide, alpha linking / Mass: 180.156 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: C6H12O6
IdentifierTypeProgram
DManpaCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
a-D-mannopyranoseCOMMON NAMEGMML 1.0
a-D-ManpIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
ManSNFG CARBOHYDRATE SYMBOLGMML 1.0

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Non-polymers , 3 types, 1485 molecules

#4: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#5: Chemical ChemComp-MPD / (4S)-2-METHYL-2,4-PENTANEDIOL / 2-Methyl-2,4-pentanediol


Mass: 118.174 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C6H14O2 / Comment: precipitant*YM
#6: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 1483 / Source method: isolated from a natural source / Formula: H2O

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Details

Sequence detailsE970K CONFLICT IN UNP ENTRY Q24451

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.19 Å3/Da / Density % sol: 43.81 %
Crystal growTemperature: 298 K / Method: vapor diffusion, hanging drop / pH: 7
Details: PEG8000, Tris, pH 7, 2.5% MPD, VAPOR DIFFUSION, HANGING DROP, temperature 298K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: CHESS / Beamline: A1
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Mar 30, 2002
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthRelative weight: 1
ReflectionResolution: 1.3→50 Å / Num. all: 255841 / Num. obs: 250909 / % possible obs: 98.1 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0
Reflection shellResolution: 1.3→1.39 Å / % possible all: 96.9

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Processing

Software
NameVersionClassificationNB
REFMACrefinement
PDB_EXTRACT3.005data extraction
SADABSdata scaling
RefinementMethod to determine structure: MOLECULAR REPLACEMENT / Resolution: 1.3→8 Å / Cor.coef. Fo:Fc: 0.956 / Cor.coef. Fo:Fc free: 0.941 / SU B: 0.836 / SU ML: 0.037 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.057 / ESU R Free: 0.059 / Stereochemistry target values: MAXIMUM LIKELIHOOD
RfactorNum. reflection% reflectionSelection details
Rfree0.215 12621 5 %RANDOM
Rwork0.192 ---
obs0.193 250909 98.07 %-
all-255841 --
Solvent computationIon probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK
Displacement parametersBiso mean: 13.991 Å2
Baniso -1Baniso -2Baniso -3
1-0 Å20 Å20 Å2
2--0 Å20 Å2
3---0 Å2
Refinement stepCycle: LAST / Resolution: 1.3→8 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8178 0 35 1483 9696
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0070.0218744
X-RAY DIFFRACTIONr_angle_refined_deg1.2061.94611936
X-RAY DIFFRACTIONr_dihedral_angle_1_deg5.70151095
X-RAY DIFFRACTIONr_dihedral_angle_2_deg36.94523.738428
X-RAY DIFFRACTIONr_dihedral_angle_3_deg11.92151483
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.0911558
X-RAY DIFFRACTIONr_chiral_restr0.0830.21282
X-RAY DIFFRACTIONr_gen_planes_refined0.0050.026778
X-RAY DIFFRACTIONr_nbd_refined0.1930.24468
X-RAY DIFFRACTIONr_nbtor_refined0.3090.25966
X-RAY DIFFRACTIONr_xyhbond_nbd_refined0.1030.21372
X-RAY DIFFRACTIONr_metal_ion_refined0.0380.21
X-RAY DIFFRACTIONr_symmetry_vdw_refined0.1460.284
X-RAY DIFFRACTIONr_symmetry_hbond_refined0.0970.278
X-RAY DIFFRACTIONr_mcbond_it0.7431.55348
X-RAY DIFFRACTIONr_mcangle_it1.1828529
X-RAY DIFFRACTIONr_scbond_it1.833830
X-RAY DIFFRACTIONr_scangle_it2.7284.53376
LS refinement shellResolution: 1.3→1.333 Å / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.302 773 -
Rwork0.275 13930 -
all-14703 -
obs--80.27 %

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