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4xq4

X-ray structure analysis of xylanase - N44D

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

Endo-1,4-beta-xylanase 2

Hypocrea jecorina

UniProt P36217

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein homooligomer Homooligomer Protein 2 IODIDE ION × 5 water × 2 Consistent with protein count

Other States of the Same Protein in the Database

Monomer
1enx 1enx 1red 1red 1ree 1ree 1ref 1ref 1xyo 1xyo 1xyp 1xyp

37 assemblies; showing the first 12

Homodimer
4xq4 4xqd

2 assemblies

Homotetramer

None

Other homooligomers

None

Heteromeric or nucleic-acid complex
4hk8 4hk9 4hkw 5zf3 5zii 5zkz 6jwb 6jxl 6k9r 6k9x 6kvv 6kwd

15 assemblies; showing the first 12

View Construct and Data Evidence
UniProt name XYN2_HYPJE
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A； PDBConstruct 1–189； UniProt 34–222 Author chain B； PDBConstruct 1–189； UniProt 34–222

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_id4xq4
Deposition date deposition_date2015-01-19
Structure title titleX-ray structure analysis of xylanase - N44D
Keywords keywordsjelly roll, 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.

4xq4__assembly_1__model_1

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

Download this curve (.dat)

4xq4__assembly_1__model_1 | I(q)

10-2 10-1 105 106 107 q (1/Angstrom) I(q)
100 plotted points; both axes use logarithmic scales.

4xq4__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）25.46 Å
Rg (electron density)24.69 Å
Total Rg25.56 Å
Atom count5541
Residues376
Excluded volume50511 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 4xq4__assembly_1__model_1 dimeric （2） 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 (3)

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6. Fold Classification (SCOP + CATH) 4 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd4xq4a_
Class classb — All beta proteins
Fold Fold foldb.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamilyb.29.1 — Concanavalin A-like lectins/glucanases
Family Family familyb.29.1.11 — Xylanase/endoglucanase 11/12
Domain ID domain_idd4xq4b_
Class classb — All beta proteins
Fold Fold foldb.29 — Concanavalin A-like lectins/glucanases
Superfamily Superfamily superfamilyb.29.1 — Concanavalin A-like lectins/glucanases
Family Family familyb.29.1.11 — Xylanase/endoglucanase 11/12

CATH v4.4 (2 domains)

Domain ID domain_id4xq4A00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily180 — Glycoside hydrolase family 11/12, catalytic domain
Domain ID domain_id4xq4B00
Class class2 — Mainly Beta
Architecture architecture60 — Sandwich
Topology topology120 — Jelly Rolls
Homologous superfamily homologous superfamily180 — Glycoside hydrolase family 11/12, catalytic domain
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7. Citations (4)