1h9c

NMR structure of cysteinyl-phosphorylated enzyme IIB of the N,N'-diacetylchitobiose specific phosphoenolpyruvate-dependent phosphotransferase system of Escherichia coli.

Method: SOLUTION NMR

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

PTS SYSTEM, CHITOBIOSE-SPECIFIC IIB COMPONENT

ESCHERICHIA COLI

UniProt P17409

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 No other associated polymer Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name PTCB_ECOLI
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–106; UniProt 1–106

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_id1h9c
Deposition date deposition_date2001-03-07
Structure title titleNMR structure of cysteinyl-phosphorylated enzyme IIB of the N,N'-diacetylchitobiose specific phosphoenolpyruvate-dependent phosphotransferase system of Escherichia coli.
Keywords keywordsTRANSFERASE, ENZYME IIB-CHITOBIOSE, PHOSPHOTRANSFERASE SYSTEM, SUGAR TRANSPORT, PHOSPHORYLATION, IIB- CELLOBIOSE; TRANSFERASE
Experimental Method methodSOLUTION NMR

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.

1h9c__assembly_1__model_7

Assembly 1 · Model 7 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1h9c__assembly_1__model_7 | I(q)

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

1h9c__assembly_1__model_7 | 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)14.61 Å
Rg (electron density)13.16 Å
Total Rg14.62 Å
Atom count1657
Residues105
Excluded volume14724 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1h9c__assembly_1__model_1 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1h9c__assembly_1__model_2 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1h9c__assembly_1__model_3 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1h9c__assembly_1__model_4 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1h9c__assembly_1__model_5 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1h9c__assembly_1__model_6 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1h9c__assembly_1__model_7 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1h9c__assembly_1__model_8 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1h9c__assembly_1__model_9 monomeric (1) Success 4.1.3-1-20251215 (887e7ef) View Download

4. Crystallography and Experiment 4. Crystallography & Experiment

5. Entities and Polymers Entities & Polymers (1)

6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1h9ca_
Class classc — Alpha and beta proteins (a/b)
Fold Fold foldc.44 — Phosphotyrosine protein phosphatases I-like
Superfamily Superfamily superfamilyc.44.2 — PTS system IIB component-like
Family Family familyc.44.2.1 — PTS system, Lactose/Cellobiose specific IIB subunit

CATH v4.4 (1 domains)

Domain ID domain_id1h9cA00
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily2300 — Response regulator

7. Citations (5)