1p8r

Structural and Functional Importance of First-Shell Metal Ligands in the Binuclear Manganese Cluster of Arginase I.

Method: X-RAY DIFFRACTION Dmax: 124.6 Å Quality: REASONABLE

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

Arginase 1

Rattus norvegicus

UniProt P07824

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 × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain A; UniProt 6–313 Fragment:Arginase I Mutation:H101E CL CHLORIDE ION × 6 MN MANGANESE (II) ION × 6 S2C S-2-(BORONOETHYL)-L-CYSTEINE × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;277 K;HEPES-NaOH, isopropanol, PEG 4000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.50 Å R-free 0.201
2 Protein homooligomer Homooligomer Protein × 3 PDB declaration: trimeric(3) Consistent with protein copy count Chain B; UniProt 6–313 Fragment:Arginase I Mutation:H101E CL CHLORIDE ION × 6 MN MANGANESE (II) ION × 6 S2C S-2-(BORONOETHYL)-L-CYSTEINE × 3 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 7.5;277 K;HEPES-NaOH, isopropanol, PEG 4000, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.50 Å R-free 0.201

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.

33 other PDB entries and 41 assemblies. Open the comparison page and filter oligomeric states

View Construct and Data Evidence
UniProt name ARGI1_RAT
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–308; UniProt 6–313 Author chain B; PDBConstruct 1–308; UniProt 6–313

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 1p8r

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1p8r
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1p8r
Deposition date deposition_date2003-05-07
Structure title titleStructural and Functional Importance of First-Shell Metal Ligands in the Binuclear Manganese Cluster of Arginase I.
Keywords keywordsHYDROLASE, UREA CYCLE, ARGININE METABOLISM, BINUCLEAR MANGANESE CLUSTER; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION

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

Radius of gyration Rg (Guinier) rg_guinier37.90
Radius of gyration Rg (electron density) rg_electron37.92
Forward intensity I(0) i065677800.00
Molecular weight molecular_weight67306.0 kDa
Excluded volume excluded_volume84797 ų
Envelope volume envelope_volume108190 ų
Hydration-shell volume shell_volume23288 ų
Envelope diameter envelope_diameter128.0
Shell Rg shell_rg44.87
Envelope Rg envelope_rg37.10
Shape Rg shape_rg37.93
Total Rg total_rg38.32
Total atoms total_atoms4722
Residues n_residues616
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 dmax124.6
Rg (real space) rg_real38.37
Rg uncertainty (real space) rg_real_error1.66
I(0) (real space) i0_real6.5680e+07
I(0) uncertainty (real space) i0_real_error1.1630e+06
Rg (reciprocal space) rg_reciprocal38.09
I(0) (reciprocal space) i0_reciprocal65660000.0000
Solution quality estimate total_estimate0.6306
Solution quality rating solution_quality REASONABLE a REASONABLE solution
P(r) peaks n_peaks2
Primary peak position r_peak_primary23.7
Skewness Skewness skewness0.275
Kurtosis Kurtosis kurtosis-1.211
Angular range angular_range— – 0.2100 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha64080000.0000
Real-space data points n_real_points43
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.023; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.181; Smooth: 0.943

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (5)

7. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1p8ra_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.42 — Arginase/deacetylase
Superfamily Superfamily superfamilyc.42.1 — Arginase/deacetylase
Family Family familyc.42.1.1 — Arginase-like amidino hydrolases
Domain ID domain_idd1p8rb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.42 — Arginase/deacetylase
Superfamily Superfamily superfamilyc.42.1 — Arginase/deacetylase
Family Family familyc.42.1.1 — Arginase-like amidino hydrolases

CATH v4.4 (2 domains)

Domain ID domain_id1p8rA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology800 — Arginase; Chain A
Homologous superfamily homologous superfamily10 — Ureohydrolase domain
Domain ID domain_id1p8rB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology800 — Arginase; Chain A
Homologous superfamily homologous superfamily10 — Ureohydrolase domain

8. Citations (1)

9. Files and Curves (10)