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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：Q86VB7 New Search
14PDB entries
14Biological assembly
35chain/assembly records
Main Difference Dimensions in This Set
Different construct Different assembly state Different ligand/ion Different experimental conditions 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
8XMK Local refinement of SRCR5-9 domains Deposited 2023-12-27 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain D 42–1050（1009 aa）
Chain E 42–1050（1009 aa）
Chain F 42–1050（1009 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 CA CALCIUM ION × 17 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.03 Å
8XMP Structure of CD163 in complex with Hb-Hp Deposited 2023-12-27 Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain D 42–1050（1009 aa）
Chain E 42–1050（1009 aa）
Chain F 42–1050（1009 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 10 CA CALCIUM ION × 23 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.11 Å
8XMQ Structure of dimeric CD163 in complex with Hb-Hp Deposited 2023-12-27 Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 42–1050（1009 aa）
Chain F 42–1050（1009 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 7 CA CALCIUM ION × 12 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.21 Å
8XMW Local refinement of Hb-Hp bind to CD163 Deposited 2023-12-28 Assembly 1 Other combination Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 42–1050（1009 aa）
Chain G 42–1050（1009 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 CA CALCIUM ION × 6 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.2
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.94 Å
9FHB Cryo-EM structure of human CD163 SRCR2-4 in complex with haptoglobin-hemoglobin Deposited 2024-05-27 Assembly 1 Protein heterocomplex Heteromer；Protein × 4 PDB declaration: tetrameric（4） Consistent with protein count
Chain D 1–1156（1156 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 CA CALCIUM ION × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.87 Å
9FMU Cryo-EM structure of human CD163 SRCR1-9 in complex with haptoglobin-hemoglobin Deposited 2024-06-07 Assembly 1 Protein heterocomplex Heteromer；Protein × 5 PDB declaration: pentameric（5） Consistent with protein count
Chain D 1–1036（1036 aa）
Chain E 1–1036（1036 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 5 CA CALCIUM ION × 3 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.46 Å
9FNO Cryo-EM structure of human CD163 SRCR1-9 in complex with haptoglobin-hemoglobin Deposited 2024-06-10 Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric（7） Consistent with protein count
Chain E 1–1156（1156 aa）
Chain F 1–1156（1156 aa）
Chain G 1–1156（1156 aa）
Not recorded HEM PROTOPORPHYRIN IX CONTAINING FE × 2 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 12 CA CALCIUM ION × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.6
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 5.20 Å
9HEJ Dimeric CD163 bound to human haptoglobin-haemoglobin complex Deposited 2024-11-14 Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–1156（1156 aa）
Chain B 1–1156（1156 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 4 CA CALCIUM ION × 9 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 OXY OXYGEN MOLECULE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.82 Å
9HEK Trimeric CD163 bound to human haptoglobin-haemoglobin complex Deposited 2024-11-14 Assembly 1 Other combination Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 1–1156（1156 aa）
Chain B 1–1156（1156 aa）
Chain C 1–1156（1156 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 6 CA CALCIUM ION × 19 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 OXY OXYGEN MOLECULE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.15 Å
9HEL Unliganded dimeric CD163 with arm-arm contacts Deposited 2024-11-14 Assembly 1 Other combination Homooligomer；Protein × 2 PDB declaration: dimeric（2） Consistent with protein count
Chain A 1–1156（1156 aa）
Chain B 1–1156（1156 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 3 CA CALCIUM ION × 7 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.10 Å
9NB5 Cryo-EM structure of the autoinhibitory CD163 trimer Deposited 2025-02-13 Assembly 1 Protein homooligomer Homooligomer；Protein × 3 PDB declaration: trimeric（3） Consistent with protein count
Chain A 42–1045（1004 aa）
Chain B 42–1045（1004 aa）
Chain C 42–1045（1004 aa）
Not recorded CA CALCIUM ION × 20 NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.00 Å
9NB6 Cryo-EM structure of the CD163/Hp(1-1)Hb complex Deposited 2025-02-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 7 PDB declaration: heptameric（7） Consistent with protein count
Chain A 42–1045（1004 aa）
Chain B 42–1045（1004 aa）
Chain C 42–1045（1004 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 9 CA CALCIUM ION × 23 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 OXY OXYGEN MOLECULE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 3.30 Å
9NB8 Cryo-EM structure of the CD163/HpSPHb complex Deposited 2025-02-13 Assembly 1 Protein heterocomplex Heteromer；Protein × 6 PDB declaration: hexameric（6） Consistent with protein count
Chain A 42–1045（1004 aa）
Chain B 42–1045（1004 aa）
Chain C 42–1045（1004 aa）
Not recorded CA CALCIUM ION × 21 HEM PROTOPORPHYRIN IX CONTAINING FE × 2 OXY OXYGEN MOLECULE × 2 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.5
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 4.00 Å
9TQD CD163 bound to haemoglobin Deposited 2025-12-20 Assembly 1 Other combination Heteromer；Protein × 7 PDB declaration: heptameric（7） Consistent with protein count
Chain A 1–1156（1156 aa）
Chain B 1–1156（1156 aa）
Chain C 1–1156（1156 aa）
Not recorded NAG 2-acetamido-2-deoxy-beta-D-glucopyranose × 8 CA CALCIUM ION × 16 HEM PROTOPORPHYRIN IX CONTAINING FE × 4 OXY OXYGEN MOLECULE × 4 ELECTRON MICROSCOPY
cryo-EM buffer pH 7.4
cryo-EM vitrification conditions Cryogen ETHANE
Resolution 2.80 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.