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)