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Basic information

Entry
Database: PDB / ID: 6gr0
TitlePetrobactin-binding engineered lipocalin in complex with gallium-petrobactin
ComponentsNeutrophil gelatinase-associated lipocalin
KeywordsTRANSPORT PROTEIN / ANTICALIN / BETA-BARREL / PETROBACTIN / LCN2 / LIPOCALIN / NGAL / PROTEIN ENGINEERING
Function / homology
Function and homology information


siderophore transport / Metal sequestration by antimicrobial proteins / iron ion sequestering activity / enterobactin binding / Iron uptake and transport / specific granule lumen / positive regulation of cold-induced thermogenesis / Interleukin-4 and Interleukin-13 signaling / defense response to bacterium / iron ion binding ...siderophore transport / Metal sequestration by antimicrobial proteins / iron ion sequestering activity / enterobactin binding / Iron uptake and transport / specific granule lumen / positive regulation of cold-induced thermogenesis / Interleukin-4 and Interleukin-13 signaling / defense response to bacterium / iron ion binding / innate immune response / Neutrophil degranulation / apoptotic process / extracellular space / extracellular exosome / extracellular region / identical protein binding
Similarity search - Function
Neutrophil gelatinase-associated lipocalin/epididymal-specific lipocalin-12 / Lipocalin / Lipocalin family conserved site / Calycin beta-barrel core domain / Lipocalin / cytosolic fatty-acid binding protein family / Lipocalin/cytosolic fatty-acid binding domain / Calycin / Lipocalin / Lipocalin signature. / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
Chem-F8W / GALLIUM (III) ION / Neutrophil gelatinase-associated lipocalin
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / molecular replacement / Resolution: 2.5 Å
AuthorsSkerra, A. / Eichinger, A.
CitationJournal: Angew. Chem. Int. Ed. Engl. / Year: 2018
Title: Reprogramming Human Siderocalin To Neutralize Petrobactin, the Essential Iron Scavenger of Anthrax Bacillus.
Authors: Dauner, M. / Eichinger, A. / Lucking, G. / Scherer, S. / Skerra, A.
History
DepositionJun 8, 2018Deposition site: PDBE / Processing site: PDBE
Revision 1.0Aug 15, 2018Provider: repository / Type: Initial release
Revision 1.1Oct 31, 2018Group: Data collection / Database references / Category: citation / citation_author
Item: _citation.journal_volume / _citation.page_first ..._citation.journal_volume / _citation.page_first / _citation.page_last / _citation.title / _citation_author.identifier_ORCID
Revision 1.2Jan 17, 2024Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model / pdbx_struct_conn_angle / struct_conn / struct_ncs_dom_lim
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession ..._database_2.pdbx_DOI / _database_2.pdbx_database_accession / _pdbx_struct_conn_angle.ptnr1_auth_asym_id / _pdbx_struct_conn_angle.ptnr1_auth_comp_id / _pdbx_struct_conn_angle.ptnr1_auth_seq_id / _pdbx_struct_conn_angle.ptnr1_label_asym_id / _pdbx_struct_conn_angle.ptnr1_label_atom_id / _pdbx_struct_conn_angle.ptnr1_label_comp_id / _pdbx_struct_conn_angle.ptnr1_label_seq_id / _pdbx_struct_conn_angle.ptnr2_auth_asym_id / _pdbx_struct_conn_angle.ptnr2_auth_seq_id / _pdbx_struct_conn_angle.ptnr2_label_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_asym_id / _pdbx_struct_conn_angle.ptnr3_auth_comp_id / _pdbx_struct_conn_angle.ptnr3_auth_seq_id / _pdbx_struct_conn_angle.ptnr3_label_asym_id / _pdbx_struct_conn_angle.ptnr3_label_atom_id / _pdbx_struct_conn_angle.ptnr3_label_comp_id / _pdbx_struct_conn_angle.ptnr3_label_seq_id / _pdbx_struct_conn_angle.value / _struct_conn.pdbx_dist_value / _struct_conn.ptnr1_auth_asym_id / _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_asym_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_ncs_dom_lim.beg_auth_comp_id / _struct_ncs_dom_lim.beg_label_asym_id / _struct_ncs_dom_lim.beg_label_comp_id / _struct_ncs_dom_lim.beg_label_seq_id / _struct_ncs_dom_lim.end_auth_comp_id / _struct_ncs_dom_lim.end_label_asym_id / _struct_ncs_dom_lim.end_label_comp_id / _struct_ncs_dom_lim.end_label_seq_id
Revision 1.3Nov 6, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Neutrophil gelatinase-associated lipocalin
B: Neutrophil gelatinase-associated lipocalin
C: Neutrophil gelatinase-associated lipocalin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)65,20316
Polymers60,4023
Non-polymers4,80113
Water3,315184
1
A: Neutrophil gelatinase-associated lipocalin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)20,9223
Polymers20,1341
Non-polymers7892
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
2
B: Neutrophil gelatinase-associated lipocalin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)22,4997
Polymers20,1341
Non-polymers2,3666
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
3
C: Neutrophil gelatinase-associated lipocalin
hetero molecules


Theoretical massNumber of molelcules
Total (without water)21,7816
Polymers20,1341
Non-polymers1,6475
Water181
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
MethodPISA
Unit cell
Length a, b, c (Å)95.336, 112.170, 124.849
Angle α, β, γ (deg.)90.000, 90.000, 90.000
Int Tables number23
Space group name H-MI222
Noncrystallographic symmetry (NCS)NCS domain:
IDEns-IDDetails
11A
21B
12A
22C
13B
23C

NCS domain segments:

Component-ID: _ / Refine code: _

Dom-IDEns-IDBeg auth comp-IDBeg label comp-IDEnd auth comp-IDEnd label comp-IDAuth asym-IDLabel asym-IDAuth seq-IDLabel seq-ID
11LEULEUGLYGLYAA7 - 1783 - 174
21LEULEUGLYGLYBB7 - 1783 - 174
12ILEILEGLYGLYAA8 - 1784 - 174
22ILEILEGLYGLYCC8 - 1784 - 174
13ILEILEASPASPBB8 - 1774 - 173
23ILEILEASPASPCC8 - 1774 - 173

NCS ensembles :
ID
1
2
3

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Components

#1: Protein Neutrophil gelatinase-associated lipocalin / NGAL / 25 kDa alpha-2-microglobulin-related subunit of MMP-9 / Lipocalin-2 / Oncogene 24p3 / ...NGAL / 25 kDa alpha-2-microglobulin-related subunit of MMP-9 / Lipocalin-2 / Oncogene 24p3 / Siderocalin LCN2 / p25


Mass: 20133.914 Da / Num. of mol.: 3
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: LCN2, HNL, NGAL / Production host: Escherichia coli (E. coli) / References: UniProt: P80188
#2: Chemical
ChemComp-F8W / 4-[4-[3-[[3,4-bis(oxidanyl)phenyl]carbonylamino]propylamino]butylamino]-2-[2-[4-[3-[[3,4-bis(oxidanyl)phenyl]carbonylamino]propylamino]butylamino]-2-oxidanylidene-ethyl]-2-oxidanyl-4-oxidanylidene-butanoic acid


Mass: 718.794 Da / Num. of mol.: 6 / Source method: obtained synthetically / Formula: C34H50N6O11
#3: Chemical
ChemComp-GA / GALLIUM (III) ION


Mass: 69.723 Da / Num. of mol.: 7 / Source method: obtained synthetically / Formula: Ga
#4: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 184 / Source method: isolated from a natural source / Formula: H2O
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: 2.76 Å3/Da / Density % sol: 55.48 %
Crystal growTemperature: 293 K / Method: vapor diffusion, sitting drop / pH: 4.5
Details: 2.5 M sodium chloride, 0.2 M lithium sulfate, 0.1 M sodium acetate

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: BESSY / Beamline: 14.2 / Wavelength: 0.9184 Å
DetectorType: DECTRIS PILATUS3 2M / Detector: PIXEL / Date: Aug 31, 2017 / Details: Si mirror
RadiationMonochromator: Si(111) crystal / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.9184 Å / Relative weight: 1
ReflectionResolution: 1.956→83.44 Å / Num. obs: 23541 / % possible obs: 100 % / Redundancy: 7 % / Rpim(I) all: 0.045 / Rrim(I) all: 0.119 / Rsym value: 0.11 / Net I/av σ(I): 5.3 / Net I/σ(I): 11.8
Reflection shell

Diffraction-ID: 1

Resolution (Å)Redundancy (%)Rmerge(I) obsMean I/σ(I) obsNum. measured allNum. unique obsRpim(I) allRrim(I) allRsym valueNet I/σ(I) obs% possible all
2.5-2.647.40.4561.72506534000.180.4910.4564.2100
2.64-2.87.30.3482.22317531960.1380.3750.3485.6100
2.8-2.9970.2413.22108630210.0980.260.2417.6100
2.99-3.236.20.1554.71751228190.0670.1690.1559.9100
3.23-3.546.70.1017.11734125990.0420.110.10113.3100
3.54-3.957.50.0847.51783223840.0330.090.08416.9100
3.95-4.567.40.0688.21538720920.0270.0730.06819.6100
4.56-5.596.50.0658.51176718030.0270.070.06519.1100
5.59-7.916.50.0639.1908714070.0260.0680.06319.1100
7.91-72.6437.30.0835.960018200.0320.0890.08322.499.8

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Phasing

PhasingMethod: molecular replacement
Phasing MRModel details: Phaser MODE: MR_AUTO
Highest resolutionLowest resolution
Rotation1.96 Å72.64 Å
Translation1.96 Å72.64 Å

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Processing

Software
NameVersionClassification
MOSFLM7.2.2data reduction
SCALA3.3.22data scaling
PHASER2.6.1phasing
REFMAC5.8.0222refinement
PDB_EXTRACT3.24data extraction
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 4MVI

4mvi


Resolution: 2.5→72.75 Å / Cor.coef. Fo:Fc: 0.955 / Cor.coef. Fo:Fc free: 0.927 / SU B: 11.601 / SU ML: 0.155 / SU R Cruickshank DPI: 0.4377 / Cross valid method: THROUGHOUT / σ(F): 0 / ESU R: 0.438 / ESU R Free: 0.241
Details: HYDROGENS HAVE BEEN ADDED IN THE RIDING POSITIONS U VALUES: WITH TLS ADDED
RfactorNum. reflection% reflectionSelection details
Rfree0.209 1205 5.1 %RANDOM
Rwork0.1621 ---
obs0.1644 22336 99.96 %-
Solvent computationIon probe radii: 0.7 Å / Shrinkage radii: 0.7 Å / VDW probe radii: 1 Å
Displacement parametersBiso max: 151.73 Å2 / Biso mean: 41.147 Å2 / Biso min: 8.25 Å2
Baniso -1Baniso -2Baniso -3
1-0.29 Å20 Å20 Å2
2---1.08 Å2-0 Å2
3---0.79 Å2
Refinement stepCycle: final / Resolution: 2.5→72.75 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms4129 0 257 184 4570
Biso mean--39.15 30.15 -
Num. residues----506
Refine LS restraints
Refine-IDTypeDev idealDev ideal targetNumber
X-RAY DIFFRACTIONr_bond_refined_d0.0080.0144497
X-RAY DIFFRACTIONr_bond_other_d0.0010.0184018
X-RAY DIFFRACTIONr_angle_refined_deg1.3061.7226086
X-RAY DIFFRACTIONr_angle_other_deg0.8211.729447
X-RAY DIFFRACTIONr_dihedral_angle_1_deg7.3365501
X-RAY DIFFRACTIONr_dihedral_angle_2_deg33.02923.333222
X-RAY DIFFRACTIONr_dihedral_angle_3_deg16.0715731
X-RAY DIFFRACTIONr_dihedral_angle_4_deg18.771519
X-RAY DIFFRACTIONr_chiral_restr0.060.2550
X-RAY DIFFRACTIONr_gen_planes_refined0.0060.024889
X-RAY DIFFRACTIONr_gen_planes_other0.0010.02855
Refine LS restraints NCS

Refine-ID: X-RAY DIFFRACTION / Type: interatomic distance / Weight position: 0.05

Ens-IDDom-IDAuth asym-IDNumberRms dev position (Å)
11A53310.08
12B53310.08
21A53140.08
22C53140.08
31B53970.06
32C53970.06
LS refinement shellResolution: 2.5→2.565 Å / Rfactor Rfree error: 0 / Total num. of bins used: 20
RfactorNum. reflection% reflection
Rfree0.284 82 -
Rwork0.196 1632 -
all-1714 -
obs--100 %
Refinement TLS params.

Method: refined / Refine-ID: X-RAY DIFFRACTION

IDL11 (°2)L12 (°2)L13 (°2)L22 (°2)L23 (°2)L33 (°2)S11 (Å °)S12 (Å °)S13 (Å °)S21 (Å °)S22 (Å °)S23 (Å °)S31 (Å °)S32 (Å °)S33 (Å °)T11 (Å2)T12 (Å2)T13 (Å2)T22 (Å2)T23 (Å2)T33 (Å2)Origin x (Å)Origin y (Å)Origin z (Å)
12.6426-0.29610.18753.46371.18092.2027-0.1229-0.17450.35210.16880.2096-0.1928-0.15850.2745-0.08670.0772-0.0085-0.01190.0641-0.07080.125646.98126.98423.259
22.57110.3722-0.66641.56760.08762.2971-0.0826-0.4266-0.11860.20420.05150.12560.15460.11730.0310.07130.02890.03680.09560.00230.072423.9192.28627.23
32.2148-0.39440.03462.911-0.00852.03240.08940.23520.3361-0.3755-0.04430.3626-0.2994-0.2175-0.04510.15240.0426-0.02380.06040.01820.161620.07823.8161.549
Refinement TLS group
IDRefine-IDRefine TLS-IDAuth asym-IDAuth seq-ID
1X-RAY DIFFRACTION1A6 - 178
2X-RAY DIFFRACTION2B7 - 178
3X-RAY DIFFRACTION3C8 - 178

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