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1mpx

ALPHA-AMINO ACID ESTER HYDROLASE LABELED WITH SELENOMETHIONINE

Method: X-RAY DIFFRACTION
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1. Protein Identity and Related Structures Protein Identity & Related Structures

alpha-amino acid ester hydrolase

Xanthomonas citri

UniProt Q8PK36

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 CALCIUM ION × 4 GLYCEROL × 10 water × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
1mpx

1 assemblies

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name Q8PK36_XANAC
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–615； UniProt 23–637 Author chain B； PDBConstruct 1–615； UniProt 23–637 Author chain C； PDBConstruct 1–615； UniProt 23–637 Author chain D； PDBConstruct 1–615； UniProt 23–637

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.

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2. Structure Basics 2. Structure Basics

Entry ID entry_id1mpx
Deposition date deposition_date2002-09-13
Structure title titleALPHA-AMINO ACID ESTER HYDROLASE LABELED WITH SELENOMETHIONINE
Keywords keywordsalpha/beta hydrolase, jellyroll, selenomethionine, HYDROLASE; HYDROLASE
Experimental Method methodX-RAY DIFFRACTION
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3. Official assembly/model SAXS Official SAXS Profiles

This page reads only the latest assembly calculations. Every curve maps to an explicit PDB entry, official biological assembly and coordinate model.

1mpx__assembly_1__model_1

Assembly 1 · Model 1 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1mpx__assembly_1__model_1 | I(q)

10-2 10-1 106 107 108 109 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

1mpx__assembly_1__model_1 | P(r) · Pending

The new assembly/model P(r) has not been calculated yet This placeholder does not display legacy data r (Angstrom) P(r)
P(r) will be calculated and displayed separately for the same assembly/model.
Rg（Guinier）40.03 Å
Rg (electron density)39.34 Å
Total Rg39.88 Å
Atom count19456
Residues2384
Excluded volume345230 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1mpx__assembly_1__model_1 tetrameric （4） Success 4.1.3-1-20251215 (887e7ef) View Download
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4. Crystallography and Experiment 4. Crystallography & Experiment

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5. Entities and Polymers Entities & Polymers (4)

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6. Fold Classification (SCOP + CATH) 20 domains

SCOP 2.08 (8 domains)

Domain ID domain_idd1mpxa1
Class classb — All beta proteins
Fold Fold foldb.18 — Galactose-binding domain-like
Superfamily Superfamily superfamilyb.18.1 — Galactose-binding domain-like
Family Family familyb.18.1.13 — PepX C-terminal domain-like
Domain ID domain_idd1mpxa2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
Family Family familyc.69.1.21 — PepX catalytic domain-like
Domain ID domain_idd1mpxb1
Class classb — All beta proteins
Fold Fold foldb.18 — Galactose-binding domain-like
Superfamily Superfamily superfamilyb.18.1 — Galactose-binding domain-like
Family Family familyb.18.1.13 — PepX C-terminal domain-like
Domain ID domain_idd1mpxb2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
Family Family familyc.69.1.21 — PepX catalytic domain-like
Domain ID domain_idd1mpxc1
Class classb — All beta proteins
Fold Fold foldb.18 — Galactose-binding domain-like
Superfamily Superfamily superfamilyb.18.1 — Galactose-binding domain-like
Family Family familyb.18.1.13 — PepX C-terminal domain-like
Domain ID domain_idd1mpxc2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
Family Family familyc.69.1.21 — PepX catalytic domain-like
Domain ID domain_idd1mpxd1
Class classb — All beta proteins
Fold Fold foldb.18 — Galactose-binding domain-like
Superfamily Superfamily superfamilyb.18.1 — Galactose-binding domain-like
Family Family familyb.18.1.13 — PepX C-terminal domain-like
Domain ID domain_idd1mpxd2
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.69 — alpha/beta-Hydrolases
Superfamily Superfamily superfamilyc.69.1 — alpha/beta-Hydrolases
Family Family familyc.69.1.21 — PepX catalytic domain-like

CATH v4.4 (12 domains)

Domain ID domain_id1mpxA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain
Domain ID domain_id1mpxA02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology3020 — alpha-amino acid ester hydrolase ( Helical cap domain)
Homologous superfamily homologous superfamily10 — alpha-amino acid ester hydrolase ( Helical cap domain)
Domain ID domain_id1mpxA03
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily260 — Galactose-binding domain-like
Domain ID domain_id1mpxB01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain
Domain ID domain_id1mpxB02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology3020 — alpha-amino acid ester hydrolase ( Helical cap domain)
Homologous superfamily homologous superfamily10 — alpha-amino acid ester hydrolase ( Helical cap domain)
Domain ID domain_id1mpxB03
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily260 — Galactose-binding domain-like
Domain ID domain_id1mpxC01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain
Domain ID domain_id1mpxC02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology3020 — alpha-amino acid ester hydrolase ( Helical cap domain)
Homologous superfamily homologous superfamily10 — alpha-amino acid ester hydrolase ( Helical cap domain)
Domain ID domain_id1mpxC03
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily260 — Galactose-binding domain-like
Domain ID domain_id1mpxD01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1820 — Alpha/Beta hydrolase fold, catalytic domain
Domain ID domain_id1mpxD02
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology3020 — alpha-amino acid ester hydrolase ( Helical cap domain)
Homologous superfamily homologous superfamily10 — alpha-amino acid ester hydrolase ( Helical cap domain)
Domain ID domain_id1mpxD03
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily260 — Galactose-binding domain-like
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7. Citations (1)