1h8b

EF-hands 3,4 from alpha-actinin / Z-repeat 7 from titin

Method: SOLUTION NMR
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1. Protein Identity and Related Structures Protein Identity & Related Structures

ALPHA-ACTININ 2, SKELETAL MUSCLE ISOFORM

HOMO SAPIENS

UniProt P35609

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 TITIN × 1 (O97791) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name AAC2_HUMAN
Isoform —
PDB entities 1
Chains and sequence ranges Author chain A; PDBConstruct 3–75; UniProt 822–894

TITIN

ORYCTOLAGUS CUNICULUS

UniProt O97791

State in the Current Structure

Assembly Physical composition Protein state Molecular copy count Associated components Data consistency
1 Protein heterocomplex Heteromer Protein 2 ALPHA-ACTININ 2, SKELETAL MUSCLE ISOFORM × 1 (P35609) Consistent with protein count

Other States of the Same Protein in the Database

View Construct and Data Evidence
UniProt name O97791
Isoform —
PDB entities 2
Chains and sequence ranges Author chain B; PDBConstruct 3–53; UniProt 648–698

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_id1h8b
Deposition date deposition_date2001-02-01
Structure title titleEF-hands 3,4 from alpha-actinin / Z-repeat 7 from titin
Keywords keywordsSTRUCTURAL PROTEIN, Z-DISK STRUCTURAL COMPLEX; STRUCTURAL PROTEIN
Experimental Method methodSOLUTION NMR
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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.

1h8b__assembly_1__model_3

Assembly 1 · Model 3 · CRYSOL 4.1.3-1-20251215 (887e7ef)

Download this curve (.dat)

1h8b__assembly_1__model_3 | I(q)

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

1h8b__assembly_1__model_3 | 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)14.66 Å
Rg (electron density)13.19 Å
Total Rg14.61 Å
Atom count1446
Residues96
Excluded volume12884 ų
Maximum q0.500 Å⁻¹
Assembly Model Structure unit Oligomeric description Status CRYSOL Actions
1 1 1h8b__assembly_1__model_1 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 2 1h8b__assembly_1__model_2 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 3 1h8b__assembly_1__model_3 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 4 1h8b__assembly_1__model_4 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 5 1h8b__assembly_1__model_5 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 6 1h8b__assembly_1__model_6 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 7 1h8b__assembly_1__model_7 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 8 1h8b__assembly_1__model_8 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 9 1h8b__assembly_1__model_9 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 10 1h8b__assembly_1__model_10 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 11 1h8b__assembly_1__model_11 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 12 1h8b__assembly_1__model_12 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 13 1h8b__assembly_1__model_13 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 14 1h8b__assembly_1__model_14 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 15 1h8b__assembly_1__model_15 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 16 1h8b__assembly_1__model_16 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 17 1h8b__assembly_1__model_17 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 18 1h8b__assembly_1__model_18 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 19 1h8b__assembly_1__model_19 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 20 1h8b__assembly_1__model_20 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 21 1h8b__assembly_1__model_21 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 22 1h8b__assembly_1__model_22 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 23 1h8b__assembly_1__model_23 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 24 1h8b__assembly_1__model_24 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 25 1h8b__assembly_1__model_25 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 26 1h8b__assembly_1__model_26 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 27 1h8b__assembly_1__model_27 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 28 1h8b__assembly_1__model_28 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 29 1h8b__assembly_1__model_29 dimeric (2) Success 4.1.3-1-20251215 (887e7ef) View Download
1 30 1h8b__assembly_1__model_30 dimeric (2) 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 (2)

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6. Fold Classification (SCOP + CATH) 2 domains

SCOP 2.08 (1 domains)

Domain ID domain_idd1h8ba_
Class classa — All alpha proteins
Fold Fold folda.39 — EF Hand-like
Superfamily Superfamily superfamilya.39.1 — EF-hand
Family Family familya.39.1.7 — EF-hand modules in multidomain proteins

CATH v4.4 (1 domains)

Domain ID domain_id1h8bA00
Class class1 — Mainly Alpha
Architecture architecture10 — Orthogonal Bundle
Topology topology238 — Recoverin; domain 1
Homologous superfamily homologous superfamily10 — EF-hand
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7. Citations (2)