Loading
PDBj
MenuPDBj@FacebookPDBj@X(formerly Twitter)PDBj@BlueSkyPDBj@YouTubewwPDB FoundationwwPDBDonate
RCSB PDBPDBeBMRBAdv. SearchSearch help

4KN0

Human folate receptor beta (FOLR2) in complex with the antifolate methotrexate

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Folate receptor betapolymer20724022.01UniProt (P14207)
Pfam (PF03024)
Homo sapiens (human)FR-beta, Folate receptor 2, Folate receptor, fetal/placental, Placental folate-binding protein, FBP
2B, C
(B, C)
2-acetamido-2-deoxy-beta-D-glucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranosebranched424.42In PDB
GlyTouCan (G42666HT)
3D
(A)
METHOTREXATEnon-polymer454.41Chemie (MTX)
4E
(A)
POTASSIUM IONnon-polymer39.11Chemie (K)
5F, G
(A)
CHLORIDE IONnon-polymer35.52Chemie (CL)
6H
(A)
waterwater18.0228Chemie (HOH)
Sequence modifications
A: 24 - 228 (UniProt: P14207)
PDBExternal DatabaseDetails
Gly 22-expression tag
Ser 23-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains1
Total formula weight24022.0
BranchedNumber of molecules2
Total formula weight848.8
Non-Polymers*Number of molecules4
Total formula weight564.4
All*Total formula weight25435.2
*Water molecules are not included.

237992

PDB entries from 2025-06-25

PDB statisticsPDBj update infoContact PDBjnumon