1j85

Structure of YibK from Haemophilus influenzae (HI0766), a truncated sequence homolog of tRNA (guanosine-2'-O-) methyltransferase (SpoU)

Method: X-RAY DIFFRACTION

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

YibK

Haemophilus influenzae Rd

UniProt P44868

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name Y766_HAEIN
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–160; UniProt 1–160

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.

2. Structure Basics 2. Structure Basics

Entry ID entry_id1j85
Deposition date deposition_date2001-05-20
Structure title titleStructure of YibK from Haemophilus influenzae (HI0766), a truncated sequence homolog of tRNA (guanosine-2'-O-) methyltransferase (SpoU)
Keywords keywordsmethyltransferase, structural genomics, hypothetical protein, Structure 2 Function Project, S2F, TRANSFERASE; TRANSFERASE
Experimental Method methodX-RAY DIFFRACTION

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.

1j85__assembly_1__model_1

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

Download this curve (.dat)

1j85__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.

1j85__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)20.33 Å
Rg (electron density)19.32 Å
Total Rg20.32 Å
Atom count2520
Residues312
Excluded volume45215 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1j85__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (2)

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1j85a_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.116 — alpha/beta knot
Superfamily Superfamily superfamilyc.116.1 — alpha/beta knot
Family Family familyc.116.1.1 — SpoU-like RNA 2'-O ribose methyltransferase

CATH v4.4 (1 domains)

Domain ID domain_id1j85A00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology1280 — Alpha/beta knot
Homologous superfamily homologous superfamily10 — SPOUT methyltransferase, trefoil knot domain

7. Citations (1)