7srv

Metal dependent activation of Plasmodium falciparum M17 aminopeptidase (inactive form), spacegroup P22121

Method: X-RAY DIFFRACTION Dmax: 139.3 Å Quality: GOOD

1. Protein Identity and Related Structures Protein Identity & Related Structures

M17 leucyl aminopeptidase

Plasmodium falciparum

UniProt Q8IL11

State in the Current Structure

Assembly Oligomeric State Construct Mutations and Modifications Ligands, Ions and Associated Components Method and Experimental Conditions Structure Quality
1 Protein homooligomer Homooligomer Protein × 6 PDB declaration: hexameric(6) Consistent with protein copy count Chain A; UniProt 85–605 Chain B; UniProt 85–605 Chain C; UniProt 85–605 Chain D; UniProt 85–605 Chain E; UniProt 85–605 Chain F; UniProt 85–605 Not recorded ZN ZINC ION × 12 CO3 CARBONATE ION × 6 ACT ACETATE ION × 8 CA CALCIUM ION × 12 EDO 1,2-ETHANEDIOL × 6 PO4 PHOSPHATE ION × 2 GOL GLYCEROL × 1 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;293 K;20 % PEG3350, 0.2 M calcium acetate Resolution 2.03 Å R-free 0.219

Other States of the Same Protein in the Database

Each row is a biological assembly of the same UniProt protein in another PDB entry. The “Difference from current entry” column identifies evidence-level differences; no tag means the currently parsed fields agree.

16 other PDB entries and 31 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name Q8IL11_PLAF7
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–521; UniProt 85–605 Author chain B; PDBConstruct 1–521; UniProt 85–605 Author chain C; PDBConstruct 1–521; UniProt 85–605 Author chain D; PDBConstruct 1–521; UniProt 85–605 Author chain E; PDBConstruct 1–521; UniProt 85–605 Author chain F; PDBConstruct 1–521; UniProt 85–605

The page prioritizes protein identity, the current assembly, associated components, oligomeric state and cross-PDB links. Chain mapping and sequence ranges are retained as data evidence. Internal IDs, import timestamps and assembly operation expressions are maintenance fields and are not shown here.

SAXS scattering curve SAXS Profile

SAXS profile for 7srv

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 7srv
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2. Structure Basics 2. Structure Basics

Entry ID entry_id7srv
Deposition date deposition_date2021-11-08
Structure title titleMetal dependent activation of Plasmodium falciparum M17 aminopeptidase (inactive form), spacegroup P22121
Keywords keywordsMalaria, enzyme, metallo aminopeptidase, PEPTIDE BINDING PROTEIN; PEPTIDE BINDING PROTEIN
Experimental Method methodX-RAY DIFFRACTION

3. SAXS Parameters (CRYSOL theoretical calculation) 3. SAXS Parameters (CRYSOL)

Radius of gyration Rg (Guinier) rg_guinier43.83
Radius of gyration Rg (electron density) rg_electron43.09
Forward intensity I(0) i01558140000.00
Molecular weight molecular_weight335600.0 kDa
Excluded volume excluded_volume422550 ų
Envelope volume envelope_volume535720 ų
Hydration-shell volume shell_volume98031 ų
Envelope diameter envelope_diameter138.3
Shell Rg shell_rg52.18
Envelope Rg envelope_rg42.41
Shape Rg shape_rg43.14
Total Rg total_rg43.26
Total atoms total_atoms23580
Residues n_residues3082
Spherical-harmonic order n_harmonics20
q range q_range— – 0.5000 −1
Data points n_points101
Shell type shell_typedirectional
Solvent electron density solvent_density0.3340 e/ų
Shell contrast contrast_shell0.0300 e/ų
CRYSOL version crysol_version4.1.3

4. P(r) Distance Distribution (GNOM inversion) 4. P(r) Analysis (GNOM)

Maximum dimension Dmax dmax139.3
Rg (real space) rg_real43.58
Rg uncertainty (real space) rg_real_error0.62
I(0) (real space) i0_real1.5580e+09
I(0) uncertainty (real space) i0_real_error2.5320e+07
Rg (reciprocal space) rg_reciprocal43.83
I(0) (reciprocal space) i0_reciprocal1559000000.0000
Solution quality estimate total_estimate0.8775
Solution quality rating solution_quality GOOD a GOOD solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary58.0
Skewness Skewness skewness0.157
Kurtosis Kurtosis kurtosis-0.383
Angular range angular_range— – 0.1800 −1
Current regularization parameter α current_alpha0.0004
Highest regularization parameter α highest_alpha396900000.0000
Real-space data points n_real_points37
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.841; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.968; Smooth: 0.912

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (9)

7. Fold Classification (SCOP + CATH) 12 domains

CATH v4.4 (12 domains)

Domain ID domain_id7srvA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology220 — Leucine Aminopeptidase, subunit E; domain 1
Homologous superfamily homologous superfamily10 — Leucine Aminopeptidase, subunit E, domain 1
Domain ID domain_id7srvA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases
Domain ID domain_id7srvB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology220 — Leucine Aminopeptidase, subunit E; domain 1
Homologous superfamily homologous superfamily10 — Leucine Aminopeptidase, subunit E, domain 1
Domain ID domain_id7srvB02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases
Domain ID domain_id7srvC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology220 — Leucine Aminopeptidase, subunit E; domain 1
Homologous superfamily homologous superfamily10 — Leucine Aminopeptidase, subunit E, domain 1
Domain ID domain_id7srvC02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases
Domain ID domain_id7srvD01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology220 — Leucine Aminopeptidase, subunit E; domain 1
Homologous superfamily homologous superfamily10 — Leucine Aminopeptidase, subunit E, domain 1
Domain ID domain_id7srvD02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases
Domain ID domain_id7srvE01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology220 — Leucine Aminopeptidase, subunit E; domain 1
Homologous superfamily homologous superfamily10 — Leucine Aminopeptidase, subunit E, domain 1
Domain ID domain_id7srvE02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases
Domain ID domain_id7srvF01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology220 — Leucine Aminopeptidase, subunit E; domain 1
Homologous superfamily homologous superfamily10 — Leucine Aminopeptidase, subunit E, domain 1
Domain ID domain_id7srvF02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology630 — Aminopeptidase
Homologous superfamily homologous superfamily10 — Zn peptidases

8. Citations (1)

9. Files and Curves (10)