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- PDB-1tqw: Golgi alpha-Mannosidase II In Complex With A Diastereomer of Sele... -

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Basic information

Entry
Database: PDB / ID: 1tqw
TitleGolgi alpha-Mannosidase II In Complex With A Diastereomer of Seleno-Salacinol
ComponentsAlpha-mannosidase II
KeywordsHYDROLASE
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 glycosylation / carbohydrate binding / Golgi membrane / endoplasmic reticulum / metal ion binding
Similarity search - Function
Immunoglobulin-like - #1360 / Alpha-mannosidase 2, C-terminal sub-domain / Glycosyl hydrolases family 38 C-terminal sub-domain / : / Lysosomal alpha-mannosidase-like, central domain / Glycoside hydrolase family 38, central domain / : / Golgi alpha-mannosidase II; domain 4 / Glycoside hydrolase 38, N terminal domain / 7-stranded beta/alpha barrel ...Immunoglobulin-like - #1360 / Alpha-mannosidase 2, C-terminal sub-domain / Glycosyl hydrolases family 38 C-terminal sub-domain / : / Lysosomal alpha-mannosidase-like, central domain / 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
Chem-BLT / Alpha-mannosidase 2
Similarity search - Component
Biological speciesDrosophila melanogaster (fruit fly)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 1.2 Å
AuthorsKuntz, D.A. / Ghavami, A. / Johnston, B.D. / Pinto, B.M. / Rose, D.R.
CitationJournal: TETRAHEDRON ASYMMETRY / Year: 2005
Title: Insights into the Mechanism of Drosophila melanogaster Golgi a-Mannosidase II Through Crystallographic Analysis of the Interactions with Analogues of the Naturally Occurring Glycomimetic Salacinol
Authors: Kuntz, D.A. / Ghavami, A. / Johnston, B.D. / Pinto, B.M. / Rose, D.R.
History
DepositionJun 18, 2004Deposition site: RCSB / Processing site: RCSB
Revision 1.0Feb 1, 2005Provider: repository / Type: Initial release
Revision 1.1Oct 16, 2007Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Jul 29, 2020Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / 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 1.4Aug 23, 2023Group: Data collection / Database references ...Data collection / Database references / Refinement description / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Alpha-mannosidase II
hetero molecules


Theoretical massNumber of molelcules
Total (without water)120,6066
Polymers119,7021
Non-polymers9045
Water19,6541091
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)69.007, 110.044, 138.946
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

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Protein / Sugars , 2 types, 2 molecules A

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


Mass: 119701.617 Da / Num. of mol.: 1 / Fragment: FAMILY 38 CATALYTIC DOMAIN / Mutation: E970K
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Drosophila melanogaster (fruit fly) / Gene: ALPHA-MAN-II, GMII, CG18474/CG18802/CG8139 / Cell line (production host): S2 Cells / Production host: Drosophila melanogaster (fruit fly)
References: UniProt: Q24451, mannosyl-oligosaccharide 1,3-1,6-alpha-mannosidase
#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


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

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Non-polymers , 4 types, 1095 molecules

#3: Chemical ChemComp-ZN / ZINC ION


Mass: 65.409 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: Zn
#4: Chemical ChemComp-BLT / 1,4-DIDEOXY-1,4-[[2R,3R)-2,4-DIHYDROXY-3-(SULFOXY)BUTYL]EPISELENONIUMYLIDENE]-D-ARABINITOL INNER SALT / DIASTEREOMER OF SELENO-SALACINOL


Mass: 381.259 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C9H18O9SSe
#5: Chemical ChemComp-MRD / (4R)-2-METHYLPENTANE-2,4-DIOL


Mass: 118.174 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: C6H14O2 / Comment: precipitant*YM
#6: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 1091 / Source method: isolated from a natural source / Formula: H2O

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Details

Sequence detailsTHE E -> K CONFLICT FOR RESIDUE 970 IS NOTED IN THE SWISS PROT ENTRY.

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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: 2.2 Å3/Da / Density % sol: 44.15 %
Crystal growTemperature: 295 K / Method: vapor diffusion, hanging drop / pH: 7
Details: PEG 6000, MPD, TRIS, NaCl, pH 7.00, VAPOR DIFFUSION, HANGING DROP, temperature 295K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: CHESS / Beamline: F1 / Wavelength: 0.9504 / Wavelength: 0.9504 Å
DetectorType: ADSC QUANTUM 4 / Detector: CCD / Date: Feb 3, 2002
RadiationMonochromator: SI(111) DOUBLE CRYSTAL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9504 Å / Relative weight: 1
ReflectionResolution: 1.2→30 Å / Num. obs: 211157 / % possible obs: 98.7 % / Observed criterion σ(F): 2 / Observed criterion σ(I): 2 / Redundancy: 6.4 % / Biso Wilson estimate: 8.4 Å2 / Rmerge(I) obs: 0.063 / Net I/σ(I): 23.3
Reflection shellResolution: 1.2→1.22 Å / Redundancy: 2 % / Rmerge(I) obs: 0.453 / Mean I/σ(I) obs: 2.3 / Num. unique all: 14332 / % possible all: 87.8

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Processing

Software
NameClassification
DENZOdata reduction
SCALEPACKdata scaling
CNSrefinement
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: pdb entry 1HTY

1hty


Resolution: 1.2→29.37 Å / Rfactor Rfree error: 0.003 / Data cutoff high absF: 246833.58 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.184 3179 1 %RANDOM
Rwork0.175 ---
all0.175 328487 --
obs0.175 315730 95.9 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 48.6267 Å2 / ksol: 0.354381 e/Å3
Displacement parametersBiso mean: 12.7 Å2
Baniso -1Baniso -2Baniso -3
1-0.06 Å20 Å20 Å2
2--0.27 Å20 Å2
3----0.34 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.13 Å0.12 Å
Luzzati d res low-5 Å
Luzzati sigma a0.11 Å0.1 Å
Refinement stepCycle: LAST / Resolution: 1.2→29.37 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms8181 0 51 1091 9323
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.021
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.9
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d25.2
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d1.41
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.061.5
X-RAY DIFFRACTIONc_mcangle_it1.542
X-RAY DIFFRACTIONc_scbond_it1.732
X-RAY DIFFRACTIONc_scangle_it2.42.5
LS refinement shellResolution: 1.2→1.28 Å / Rfactor Rfree error: 0.011 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.252 551 1.2 %
Rwork0.24 46000 -
obs-46000 85.7 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTIONA1PROTEIN_REP.PARAMPROTEIN_REP.TOP
X-RAY DIFFRACTIONA2CARBOHYDRATE.PARAMCARBOHYDRATE.TOP
X-RAY DIFFRACTIONA3CIS_PEPTIDE.PARAMCIS_PEPTIDE.TOP
X-RAY DIFFRACTIONA4WATER_REP.PARAMWATER_REP.TOP
X-RAY DIFFRACTIONA5ION.PARAMION.TOP

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