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1xlf

MECHANISM FOR ALDOSE-KETOSE INTERCONVERSION BY D-XYLOSE ISOMERASE INVOLVING RING OPENING FOLLOWED BY A 1,2-HYDRIDE SHIFT

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

D-XYLOSE ISOMERASE

Arthrobacter sp.

UniProt P12070

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 4 D-gluconic acid × 4 MANGANESE (II) ION × 8 water × 4 Consistent with protein count

Other States of the Same Protein in the Database

Monomer

None

Homodimer

None

Homotetramer
1did 1die 1xla 1xlb 1xlc 1xld 1xle 1xlf 1xlg 1xlh 1xli 1xlj

17 assemblies; showing the first 12

Other homooligomers

None

Heteromeric or nucleic-acid complex

None

View Construct and Data Evidence
UniProt name XYLA_ARTS7
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–394； UniProt 1–394 Author chain B； PDBConstruct 1–394； UniProt 1–394

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_id1xlf
Deposition date deposition_date1991-10-09
Structure title titleMECHANISM FOR ALDOSE-KETOSE INTERCONVERSION BY D-XYLOSE ISOMERASE INVOLVING RING OPENING FOLLOWED BY A 1,2-HYDRIDE SHIFT
Keywords keywordsISOMERASE(INTRAMOLECULAR OXIDOREDUCTASE); ISOMERASE(INTRAMOLECULAR OXIDOREDUCTASE)
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.

1xlf__assembly_1__model_1

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

Download this curve (.dat)

1xlf__assembly_1__model_1 | I(q)

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

1xlf__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）32.80 Å
Rg (electron density)31.65 Å
Total Rg32.36 Å
Atom count12168
Residues1572
Excluded volume214210 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1xlf__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) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1xlfa_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.15 — Xylose isomerase-like
Family Family familyc.1.15.3 — Xylose isomerase
Domain ID domain_idd1xlfb_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.1 — TIM beta/alpha-barrel
Superfamily Superfamily superfamilyc.1.15 — Xylose isomerase-like
Family Family familyc.1.15.3 — Xylose isomerase

CATH v4.4 (2 domains)

Domain ID domain_id1xlfA00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily150 — Divalent-metal-dependent TIM barrel enzymes
Domain ID domain_id1xlfB00
Class class3 — Alpha Beta
Architecture architecture20 — Alpha-Beta Barrel
Topology topology20 — TIM Barrel
Homologous superfamily homologous superfamily150 — Divalent-metal-dependent TIM barrel enzymes
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7. Citations (4)