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4ZR2

Crystal Structure of the Domain-Swapped Dimer K40L:Q108K:Y60W mutant of Human Cellular Retinol Binding Protein II

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(A, B)
Retinol-binding protein 2polymer13315605.52UniProt (P50120)
Pfam (PF00061)
Homo sapiens (Human)Cellular retinol-binding protein II,CRBP-II
2C
(A)
RETINALnon-polymer284.41Chemie (RET)
PubChem (23254473)
PubChem (177675058)
PubChem (5280490)
PubChem (5381765)
PubChem (1070)
PubChem (87082476)
PubChem (87110449)
PubChem (87110609)
PubChem (88398773)
PubChem (88407543)
PubChem (638015)
PubChem (5353924)
PubChem (6436079)
PubChem (6436082)
PubChem (134688327)
PubChem (11426127)
PubChem (12227253)
PubChem (12227254)
PubChem (12227256)
PubChem (12227257)
PubChem (12227258)
PubChem (12227259)
PubChem (12227269)
PubChem (12227270)
PubChem (12227271)
PubChem (140510408)
PubChem (145826762)
PubChem (169423542)
PubChem (172878320)
3D, E, F, G, H
(A, B)
ACETATE IONnon-polymer59.05Chemie (ACT)
PubChem (175)
4I, J
(A, B)
waterwater18.0178Chemie (HOH)
Sequence modifications
A, B: 1 - 133 (UniProt: P50120)
PDBExternal DatabaseDetails
Leu 40Lys 41engineered mutation
Trp 60Tyr 61engineered mutation
Lys 108Gln 109engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight31211.0
Non-Polymers*Number of molecules6
Total formula weight579.7
All*Total formula weight31790.7
*Water molecules are not included.

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PDB entries from 2026-03-25

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