1p8o

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

Method: X-RAY DIFFRACTION Dmax: 95.9 Å Quality: EXCELLENT

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 6–319 Chain B; UniProt 6–319 Chain C; UniProt 6–319 Fragment:Arginase I Mutation:D128N MN MANGANESE (II) ION × 6 X-RAY DIFFRACTION X-ray crystallization conditions:VAPOR DIFFUSION, HANGING DROP;pH 8.5;277 K;PEG 8000, Bicine, Manganese Chloride, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K Resolution 2.96 Å R-free 0.297

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 42 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 1–314; UniProt 6–319 Author chain B; PDBConstruct 1–314; UniProt 6–319 Author chain C; PDBConstruct 1–314; UniProt 6–319

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 1p8o

P(r) Distance Distribution P(r) Distribution

P(r) distribution for 1p8o
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2. Structure Basics 2. Structure Basics

Entry ID entry_id1p8o
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_guinier30.92
Radius of gyration Rg (electron density) rg_electron30.10
Forward intensity I(0) i0157903000.00
Molecular weight molecular_weight102290.0 kDa
Excluded volume excluded_volume129040 ų
Envelope volume envelope_volume153230 ų
Hydration-shell volume shell_volume41563 ų
Envelope diameter envelope_diameter97.4
Shell Rg shell_rg38.03
Envelope Rg envelope_rg30.07
Shape Rg shape_rg30.12
Total Rg total_rg30.69
Total atoms total_atoms7194
Residues n_residues942
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 dmax95.9
Rg (real space) rg_real30.81
Rg uncertainty (real space) rg_real_error0.54
I(0) (real space) i0_real1.5790e+08
I(0) uncertainty (real space) i0_real_error2.6960e+06
Rg (reciprocal space) rg_reciprocal30.86
I(0) (reciprocal space) i0_reciprocal157900000.0000
Solution quality estimate total_estimate0.9092
Solution quality rating solution_quality EXCELLENT a EXCELLENT solution
P(r) peaks n_peaks1
Primary peak position r_peak_primary33.8
Skewness Skewness skewness0.170
Kurtosis Kurtosis kurtosis-0.660
Angular range angular_range— – 0.2550 −1
Current regularization parameter α current_alpha0.0000
Highest regularization parameter α highest_alpha79260000.0000
Real-space data points n_real_points52
GNOM version gnom_version4.1.3
Quality Criteria quality_criteria AN1: 0.000; Oscil: 0.951; Stabil: 1.000; Sysdev: 1.000; Positv: 1.000; Valcen: 0.999; Smooth: 0.963

5. Crystallography and Experiment 5. Crystallography & Experiment

6. Entities and Polymers Entities & Polymers (3)

7. Fold Classification (SCOP + CATH) 6 domains

SCOP 2.08 (3 domains)

Domain ID domain_idd1p8oa_
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_idd1p8ob_
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_idd1p8oc_
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 (3 domains)

Domain ID domain_id1p8oA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology800 — Arginase; Chain A
Homologous superfamily homologous superfamily10 — Ureohydrolase domain
Domain ID domain_id1p8oB00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology800 — Arginase; Chain A
Homologous superfamily homologous superfamily10 — Ureohydrolase domain
Domain ID domain_id1p8oC00
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)