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- PDB-1b0l: RECOMBINANT HUMAN DIFERRIC LACTOFERRIN -

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Basic information

Entry
Database: PDB / ID: 1b0l
TitleRECOMBINANT HUMAN DIFERRIC LACTOFERRIN
ComponentsPROTEIN (LACTOFERRIN)
KeywordsMETAL BINDING PROTEIN / TRANSFERRIN / BINDING PROTEIN / METALLOPROTEIN
Function / homology
Function and homology information


membrane destabilizing activity / host-mediated suppression of viral proces / Mtb iron assimilation by chelation / phagocytic vesicle lumen / Metal sequestration by antimicrobial proteins / positive regulation of toll-like receptor 4 signaling pathway / negative regulation of viral process / negative regulation of tumor necrosis factor (ligand) superfamily member 11 production / negative regulation of single-species biofilm formation in or on host organism / positive regulation of bone mineralization involved in bone maturation ...membrane destabilizing activity / host-mediated suppression of viral proces / Mtb iron assimilation by chelation / phagocytic vesicle lumen / Metal sequestration by antimicrobial proteins / positive regulation of toll-like receptor 4 signaling pathway / negative regulation of viral process / negative regulation of tumor necrosis factor (ligand) superfamily member 11 production / negative regulation of single-species biofilm formation in or on host organism / positive regulation of bone mineralization involved in bone maturation / negative regulation of osteoclast development / antifungal humoral response / specific granule / negative regulation of lipopolysaccharide-mediated signaling pathway / positive regulation of chondrocyte proliferation / negative regulation of ATP-dependent activity / regulation of tumor necrosis factor production / bone morphogenesis / Antimicrobial peptides / negative regulation of viral genome replication / positive regulation of osteoblast proliferation / humoral immune response / Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases / positive regulation of protein serine/threonine kinase activity / cysteine-type endopeptidase inhibitor activity / positive regulation of osteoblast differentiation / regulation of cytokine production / ossification / secretory granule / protein serine/threonine kinase activator activity / innate immune response in mucosa / lipopolysaccharide binding / iron ion transport / positive regulation of NF-kappaB transcription factor activity / recycling endosome / specific granule lumen / antimicrobial humoral immune response mediated by antimicrobial peptide / antibacterial humoral response / tertiary granule lumen / heparin binding / defense response to Gram-negative bacterium / killing of cells of another organism / early endosome / positive regulation of canonical NF-kappaB signal transduction / iron ion binding / Amyloid fiber formation / serine-type endopeptidase activity / Neutrophil degranulation / negative regulation of apoptotic process / cell surface / protein-containing complex / proteolysis / extracellular space / DNA binding / extracellular exosome / extracellular region / nucleus / plasma membrane / cytoplasm
Similarity search - Function
Lactotransferrin / Transferrin-like domain signature 2. / Transferrin family, iron binding site / Transferrin-like domain signature 1. / Transferrin-like domain signature 3. / Transferrin / Transferrin-like domain / Transferrin / Transferrin-like domain profile. / Transferrin ...Lactotransferrin / Transferrin-like domain signature 2. / Transferrin family, iron binding site / Transferrin-like domain signature 1. / Transferrin-like domain signature 3. / Transferrin / Transferrin-like domain / Transferrin / Transferrin-like domain profile. / Transferrin / Periplasmic binding protein-like II / D-Maltodextrin-Binding Protein; domain 2 / 3-Layer(aba) Sandwich / Alpha Beta
Similarity search - Domain/homology
CARBONATE ION / : / Lactotransferrin
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / OTHER / Resolution: 2.2 Å
AuthorsBaker, E.N. / Jameson, G.B. / Sun, X.
Citation
Journal: Acta Crystallogr.,Sect.D / Year: 1999
Title: Structure of recombinant human lactoferrin expressed in Aspergillus awamori.
Authors: Sun, X.L. / Baker, H.M. / Shewry, S.C. / Jameson, G.B. / Baker, E.N.
#1: Journal: Acta Crystallogr.,Sect.D / Year: 1995
Title: Structure of Human Diferric Lactoferrin Refined at 2.2 A Resolution
Authors: Haridas, M. / Anderson, B.F. / Baker, E.N.
History
DepositionNov 11, 1998Processing site: RCSB
Revision 1.0Nov 18, 1999Provider: repository / Type: Initial release
Revision 1.1Oct 16, 2007Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Nov 3, 2021Group: Database references / Derived calculations / Category: database_2 / struct_ref_seq_dif / struct_site
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.4Aug 9, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Revision 1.5Nov 13, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification
Remark 650 HELIX DETERMINATION METHOD: AUTHOR-DETERMINED

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: PROTEIN (LACTOFERRIN)
hetero molecules


Theoretical massNumber of molelcules
Total (without water)76,5255
Polymers76,2931
Non-polymers2324
Water5,296294
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)156.250, 97.530, 55.870
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein PROTEIN (LACTOFERRIN)


Mass: 76293.289 Da / Num. of mol.: 1 / Mutation: A10T
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Production host: Aspergillus awamori (mold) / References: UniProt: P02788
#2: Chemical ChemComp-FE / FE (III) ION


Mass: 55.845 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Fe
#3: Chemical ChemComp-CO3 / CARBONATE ION


Mass: 60.009 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: CO3
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 294 / Source method: isolated from a natural source / Formula: H2O
Compound detailsTWO-FOLD INTERNAL SEQUENCE HOMOLOGY (~ 40% IDENTITY). ONE BINDING SITE IN EACH LOBE.
Has protein modificationY

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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: 2.73 Å3/Da / Density % sol: 55.89 %
Crystal growpH: 8
Details: DIALYSIS AGAINST 10MM SODIUM PHOSPHATE PH 8.0, CONTAINING 10% ETHANOL
Crystal grow
*PLUS
Temperature: 277 K / Method: microdialysis
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
180 mg/mlprotein11
210 mMHEPES11
30.5 M11NaCl
410 mMsodium phosphate12
510 %(v/v)ethanol12

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Data collection

DiffractionMean temperature: 293 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU200 / Wavelength: 1.5418
DetectorType: RIGAKU / Detector: IMAGE PLATE / Date: May 1, 1996
RadiationMonochromator: GRAPHITE / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2.2→40 Å / Num. obs: 36329 / % possible obs: 82.3 % / Redundancy: 2.8 % / Rmerge(I) obs: 0.046 / Net I/σ(I): 11.1
Reflection shellResolution: 2.2→2.3 Å / Redundancy: 3.1 % / Rmerge(I) obs: 0.542 / Mean I/σ(I) obs: 1.5 / % possible all: 67.8

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Processing

Software
NameVersionClassification
DENZOdata reduction
ROTAVATAdata reduction
SHELXL-97refinement
CCP4(ROTAVATA)data scaling
RefinementMethod to determine structure: OTHER
Starting model: PDB ENTRY 1LFG

1lfg


Resolution: 2.2→10 Å / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: ENGH AND HUBER
RfactorNum. reflection% reflectionSelection details
Rfree0.274 3573 10 %EVERY 10TH
obs0.181 -82.5 %-
all-32231 --
Refinement stepCycle: LAST / Resolution: 2.2→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms5337 0 10 294 5641
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONs_bond_d0.003
X-RAY DIFFRACTIONs_angle_d0.01
X-RAY DIFFRACTIONs_similar_dist
X-RAY DIFFRACTIONs_from_restr_planes
X-RAY DIFFRACTIONs_zero_chiral_vol
X-RAY DIFFRACTIONs_non_zero_chiral_vol
X-RAY DIFFRACTIONs_anti_bump_dis_restr
X-RAY DIFFRACTIONs_rigid_bond_adp_cmpnt
X-RAY DIFFRACTIONs_similar_adp_cmpnt
X-RAY DIFFRACTIONs_approx_iso_adps

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