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- PDB-1zcm: Human calpain protease core inhibited by ZLLYCH2F -

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Basic information

Entry
Database: PDB / ID: 1zcm
TitleHuman calpain protease core inhibited by ZLLYCH2F
ComponentsCalpain 1, large [catalytic] subunit
KeywordsHYDROLASE / Calcium binding / Protease / Thiol protease
Function / homology
Function and homology information


calpain-1 / calpain complex / mammary gland involution / calcium-dependent cysteine-type endopeptidase activity / receptor catabolic process / Formation of the cornified envelope / self proteolysis / cornified envelope / regulation of catalytic activity / regulation of NMDA receptor activity ...calpain-1 / calpain complex / mammary gland involution / calcium-dependent cysteine-type endopeptidase activity / receptor catabolic process / Formation of the cornified envelope / self proteolysis / cornified envelope / regulation of catalytic activity / regulation of NMDA receptor activity / Deregulated CDK5 triggers multiple neurodegenerative pathways in Alzheimer's disease models / regulation of macroautophagy / Degradation of the extracellular matrix / peptidase activity / ficolin-1-rich granule lumen / lysosome / focal adhesion / calcium ion binding / Neutrophil degranulation / positive regulation of cell population proliferation / mitochondrion / proteolysis / extracellular exosome / extracellular region / membrane / plasma membrane / cytosol / cytoplasm
Similarity search - Function
Calpain subdomain III / Peptidase C2, calpain, domain III / calpain_III / Peptidase C2, calpain, large subunit, domain III / Peptidase C2, calpain family / Calpain large subunit, domain III superfamily / Calpain large subunit, domain III / Peptidase C2, calpain, catalytic domain / Calpain family cysteine protease / Cysteine proteinase, calpain-type, catalytic domain profile. ...Calpain subdomain III / Peptidase C2, calpain, domain III / calpain_III / Peptidase C2, calpain, large subunit, domain III / Peptidase C2, calpain family / Calpain large subunit, domain III superfamily / Calpain large subunit, domain III / Peptidase C2, calpain, catalytic domain / Calpain family cysteine protease / Cysteine proteinase, calpain-type, catalytic domain profile. / Calpain-like thiol protease family. / EF-hand domain pair / Cysteine proteinases / Cysteine peptidase, cysteine active site / Eukaryotic thiol (cysteine) proteases cysteine active site. / Cathepsin B; Chain A / Papain-like cysteine peptidase superfamily / EF-Hand 1, calcium-binding site / EF-hand calcium-binding domain. / EF-hand calcium-binding domain profile. / EF-hand domain / EF-hand domain pair / Alpha-Beta Complex / Alpha Beta
Similarity search - Domain/homology
Chem-C1N / Calpain-1 catalytic subunit
Similarity search - Component
Biological speciesHomo sapiens (human)
MethodX-RAY DIFFRACTION / MOLECULAR REPLACEMENT / Resolution: 2 Å
AuthorsLi, Q. / Hanzlik, R.P. / Weaver, R.F. / Schonbrunn, E.
CitationJournal: Biochemistry / Year: 2006
Title: Molecular mode of action of a covalently inhibiting peptidomimetic on the human calpain protease core
Authors: Li, Q. / Hanzlik, R.P. / Weaver, R.F. / Schonbrunn, E.
History
DepositionApr 12, 2005Deposition site: RCSB / Processing site: RCSB
Revision 1.0Jan 31, 2006Provider: repository / Type: Initial release
Revision 1.1Apr 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Oct 11, 2017Group: Refinement description / Category: software
Revision 1.4Oct 20, 2021Group: Advisory / Database references / Derived calculations
Category: database_2 / pdbx_database_remark ...database_2 / pdbx_database_remark / pdbx_struct_conn_angle / struct_conn / 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 / _pdbx_database_remark.text / _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_seq_id / _pdbx_struct_conn_angle.ptnr2_label_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.pdbx_leaving_atom_flag / _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.ptnr2_label_seq_id / _struct_ref_seq_dif.details / _struct_site.pdbx_auth_asym_id / _struct_site.pdbx_auth_comp_id / _struct_site.pdbx_auth_seq_id
Revision 1.5Aug 23, 2023Group: Data collection / Refinement description
Category: chem_comp_atom / chem_comp_bond / pdbx_initial_refinement_model
Remark 600 HETEROGEN As suggested by authors, the fluorine atom is detached from the ligand as a result of ... HETEROGEN As suggested by authors, the fluorine atom is detached from the ligand as a result of the chemical reaction involving modification of Cys 115.

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: Calpain 1, large [catalytic] subunit
hetero molecules


Theoretical massNumber of molelcules
Total (without water)37,0024
Polymers36,3641
Non-polymers6383
Water3,711206
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)50.440, 62.740, 99.260
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 Calpain 1, large [catalytic] subunit / / Calcium-activated neutral proteinase / CANP / Mu-type / muCANP / Micromolar-calpain


Mass: 36363.984 Da / Num. of mol.: 1 / Fragment: Residues 33 to 353 / Mutation: G213A
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: CAPN1, CANPL1 / Plasmid: pET24d(+) / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3) / References: UniProt: P07384, calpain-1
#2: Chemical ChemComp-CA / CALCIUM ION


Mass: 40.078 Da / Num. of mol.: 2 / Source method: obtained synthetically / Formula: Ca
#3: Chemical ChemComp-C1N / N-[(BENZYLOXY)CARBONYL]LEUCYL-N~1~-[3-FLUORO-1-(4-HYDROXYBENZYL)-2-OXOPROPYL]LEUCINAMIDE / CBZ-LEU-LEU-TYR-CH2F


Mass: 557.654 Da / Num. of mol.: 1 / Source method: obtained synthetically / Formula: C30H40FN3O6
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 206 / Source method: isolated from a natural source / Formula: H2O

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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: 45 %
Crystal growTemperature: 292 K / Method: salting-in / pH: 7.5
Details: HEPES, DTT, CaCl2, NaCl, pH 7.5, salting-in, temperature 292K

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Data collection

DiffractionMean temperature: 93 K
Diffraction sourceSource: ROTATING ANODE / Type: RIGAKU RU300 / Wavelength: 1.5418 Å
DetectorType: RIGAKU RAXIS IV / Detector: IMAGE PLATE / Date: Nov 15, 2003 / Details: mirrors
RadiationMonochromator: osmic mirrors / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1.5418 Å / Relative weight: 1
ReflectionResolution: 2→20 Å / Num. all: 21280 / Num. obs: 21280 / % possible obs: 97 % / Observed criterion σ(F): 0 / Observed criterion σ(I): -3 / Redundancy: 7.2 % / Rmerge(I) obs: 0.036 / Net I/σ(I): 26.6
Reflection shellResolution: 2→2.1 Å / Redundancy: 6.9 % / Rmerge(I) obs: 0.103 / Mean I/σ(I) obs: 9.9 / Num. unique all: 2800 / % possible all: 94.8

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Processing

Software
NameClassification
XDSdata reduction
CNSrefinement
XDSdata scaling
CNSphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: 1kxr

1kxr


Resolution: 2→20 Å / Cross valid method: THROUGHOUT / σ(F): 0 / σ(I): -3 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.223 1064 -random
Rwork0.182 ---
all0.182 21280 --
obs0.182 21280 97 %-
Refinement stepCycle: LAST / Resolution: 2→20 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms2608 0 41 206 2855
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONc_bond_d0.008
X-RAY DIFFRACTIONc_angle_d1.4

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