1fvh

CRYSTAL STRUCTURE ANALYSIS OF NEURONAL SEC1 FROM THE SQUID L. PEALEI

Method: X-RAY DIFFRACTION

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

SEC1

Loligo pealei

UniProt O62547

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein monomer Monomer Protein 1 water × 1 Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name O62547_LOLPE
Isoform
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 1–591; UniProt 1–591

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_id1fvh
Deposition date deposition_date2000-09-19
Structure title titleCRYSTAL STRUCTURE ANALYSIS OF NEURONAL SEC1 FROM THE SQUID L. PEALEI
Keywords keywordsPARALLEL BETA-SHEETS, LEFT-HAND TURN CONNECTION, HELICAL BUNDLE, ENDOCYTOSIS-EXOCYTOSIS COMPLEX; ENDOCYTOSIS/EXOCYTOSIS
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.

1fvh__assembly_1__model_1

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

Download this curve (.dat)

1fvh__assembly_1__model_1 | I(q)

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

1fvh__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)26.76 Å
Rg (electron density)25.85 Å
Total Rg26.68 Å
Atom count4412
Residues546
Excluded volume78744 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1fvh__assembly_1__model_1 monomeric (1) 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) 5 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1fvha_
Class classe — Multi-domain proteins (alpha and beta)
Fold Fold folde.25 — Sec1/munc18-like (SM) proteins
Superfamily Superfamily superfamilye.25.1 — Sec1/munc18-like (SM) proteins
Family Family familye.25.1.1 — Sec1/munc18-like (SM) proteins

CATH v4.4 (4 domains)

Domain ID domain_id1fvhA01
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily1910 — Sec1/Munc18 (SM) protein, domain 2
Domain ID domain_id1fvhA02
Class class3 — Alpha Beta
Architecture architecture40 — 3-Layer(aba) Sandwich
Topology topology50 — Rossmann fold
Homologous superfamily homologous superfamily2060 — Sec1/Munc18 (SM) protein, domain 1
Domain ID domain_id1fvhA03
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology830 — Syntaxin Binding Protein 1; Chain A, domain 2
Homologous superfamily homologous superfamily10 — Sec1/Munc18 (SM) protein, domain 3a
Domain ID domain_id1fvhA04
Class class1 — Mainly Alpha
Architecture architecture25 — Alpha Horseshoe
Topology topology40 — Serine Threonine Protein Phosphatase 5, Tetratricopeptide repeat
Homologous superfamily homologous superfamily60

7. Citations (3)