1hg7

High resolution structure of HPLC-12 type III antifreeze protein from Ocean Pout Macrozoarces americanus

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

HPLC-12 TYPE III ANTIFREEZE PROTEIN

MACROZOARCES AMERICANUS

UniProt P19614

State in the Current Structure

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

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name ANPC_MACAM
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 2–66; UniProt 1–65

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_id1hg7
Deposition date deposition_date2000-12-13
Structure title titleHigh resolution structure of HPLC-12 type III antifreeze protein from Ocean Pout Macrozoarces americanus
Keywords keywordsANTIFREEZE PROTEIN, OCEAN POUT, MACROZOARCES AMERICANUS, ICE-BINDING PROTEIN; ANTIFREEZE PROTEIN
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.

1hg7__assembly_1__model_1

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

Download this curve (.dat)

1hg7__assembly_1__model_1 | I(q)

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

1hg7__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)12.29 Å
Rg (electron density)10.95 Å
Total Rg12.47 Å
Atom count493
Residues66
Excluded volume8969 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1hg7__assembly_1__model_1 monomeric (1) 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) 3 domains

SCOP 2.08 (2 domains)

Domain ID domain_idd1hg7a1
Class classb — All beta proteins
Fold Fold foldb.85 — beta-clip
Superfamily Superfamily superfamilyb.85.1 — AFP III-like domain
Family Family familyb.85.1.1 — AFP III-like domain
Domain ID domain_idd1hg7a2
Class classl — Artifacts
Fold Fold foldl.1 — Tags
Superfamily Superfamily superfamilyl.1.1 — Tags
Family Family familyl.1.1.1 — Tags

CATH v4.4 (1 domains)

Domain ID domain_id1hg7A00
Class class3 — Alpha Beta
Architecture architecture90 — Alpha-Beta Complex
Topology topology1210 — Type Iii Antifreeze Protein Isoform Hplc 12
Homologous superfamily homologous superfamily10 — Antifreeze-like/N-acetylneuraminic acid synthase C-terminal domain
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7. Citations (1)