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Protein Structures and Oligomeric States

Enter a protein name, UniProt accession or PDB ID. Name searches ask you to confirm the protein identity before related structures are queried.

Current Protein Identity：Q1AII4 New Search
8PDB entries
8Biological assembly
24chain/assembly records
Main Difference Dimensions in This Set
Different assembly state Different ligand/ion Different structure-quality metrics

Difference tags compare only the current result set; every original PDB and assembly record remains separate.

Related-Structure Differences

Each row represents one biological assembly in one PDB entry; multiple monomers of the same protein are listed separately.

PDB Entry Assembly / Oligomeric State Construct Mutations and Modifications Ligands, Ions and Non-polymers Experimental Method Experimental Conditions Structure Quality
9NBT AMC008 v4.2 SOSIP Env trimer in complex with VRC01 and 35O22 Fabs Deposited 2025-02-14 Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: octadecameric（18） Consistent with protein count
Chain B 1–154（154 aa）
Chain K 1–154（154 aa）
Chain R 1–154（154 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 24 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.91 Å
9NBY AMC008 v4.2 SOSIP Env trimer in complex with PGT121, VRC01 and 3BC315 Fabs Deposited 2025-02-14 Assembly 1 Other combination Heteromer；Protein × 20 PDB declaration: eicosameric（20） Consistent with protein count
Chain B 1–154（154 aa）
Chain D 1–154（154 aa）
Chain F 1–154（154 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 10 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.16 Å
9NC0 AMC008 v4.2 SOSIP Env trimer in complex with b12 Fab Deposited 2025-02-14 Assembly 1 Other combination Heteromer；Protein × 12 PDB declaration: dodecameric（12） Consistent with protein count
Chain B 1–154（154 aa）
Chain D 1–154（154 aa）
Chain F 1–154（154 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 15 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.88 Å
9NC3 AMC008 v4.2 SOSIP Env trimer in complex with b12 and 3BC315 Fabs Deposited 2025-02-14 Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: octadecameric（18） Consistent with protein count
Chain B 1–154（154 aa）
Chain D 1–154（154 aa）
Chain F 1–154（154 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 22 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.74 Å
9NC6 AMC008 v4.2 SOSIP Env trimer in complex with two 3BC315 Fabs Deposited 2025-02-14 Assembly 1 Other combination Heteromer；Protein × 10 PDB declaration: decameric（10） Consistent with protein count
Chain B 1–154（154 aa）
Chain D 1–154（154 aa）
Chain F 1–154（154 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 32 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.52 Å
9NC8 AMC008 v4.2 SOSIP Env trimer in complex with one 3BC315 Fab Deposited 2025-02-14 Assembly 1 Other combination Heteromer；Protein × 8 PDB declaration: octameric（8） Consistent with protein count
Chain B 1–154（154 aa）
Chain D 1–154（154 aa）
Chain F 1–154（154 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 36 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.55 Å
9OAJ AMC008 v4.2 SOSIP Env trimer in complex with CD4 D1D2 Deposited 2025-04-21 Assembly 1 Other combination Heteromer；Protein × 9 PDB declaration: nonameric（9） Consistent with protein count
Chain B 1–154（154 aa）
Chain E 1–154（154 aa）
Chain H 1–154（154 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 21 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.91 Å
9YQO AMC008 v4.2 SOSIP Env trimer in complex with PGT121 and VRC01 Fabs Deposited 2025-10-15 Assembly 1 Other combination Heteromer；Protein × 18 PDB declaration: octadecameric（18） Consistent with protein count
Chain B 1–154（154 aa）
Chain H 1–154（154 aa）
Chain P 1–154（154 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 18 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.26 Å

This page presents structural evidence recorded in PDB/mmCIF.“No recorded non-water small molecule” does not prove that the experimental sample was ligand-free; experimental conditions belong to the PDB experiment, while ligands and copy counts are shown for each biological assembly.