3MXW: Crystal structure Sonic hedgehog

Crystal structure Sonic hedgehog bound to the 5E1 fab fragment. Determined by X-ray diffraction at 1.83 Å resolution. Released 26 May 2010.

Method
X-ray diffraction
Resolution
1.83 Å
Organism
Homo sapiens
Chains
3
Atoms
5,005
Mol. weight
66.88 kDa
Ligands
ZN, CA
Released
26 May 2010

Explore 3MXW in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

3MXW contains 27 α-helices and 52 β-strands across 3 chains. Residue ranges use author residue numbering, as in the PDB file, from PDBe. To see them in 3D, choose the Cartoon representation with Secondary structure coloring: helices, sheets and coils get different colors.

Chain A: 8 helices, 8 β-strands

ElementResiduesLengthSheet
α-helix41-433
β-strand47-4821
α-helix72-754
β-strand77-7822
β-strand84-8631
α-helix94-963
β-strand97-9822
α-helix100-11617
β-strand122-12651
α-helix139-1424
β-strand145-15061
α-helix155-1573
α-helix158-16710
β-strand172-17761
β-strand180-18451
α-helix188-1903
Chain H: 11 helices, 23 β-strands
ElementResiduesLengthSheet
β-strand3-648
β-strand10-1234
β-strand18-2588
α-helix29-313
β-strand34-3964
β-strand45-5284
β-strand56-5944
α-helix61-633
β-strand67-7268
α-helix73-753
β-strand77-8268
α-helix84-863
β-strand88-9584
β-strand100K-10344
β-strand107-11154
α-helix115-1162
β-strand11719
α-helix118-1192
β-strand120-124510
β-strand131-132210
β-strand135-1451110
β-strand14619
α-helix149-1502
β-strand151-154411
α-helix155-1573
β-strand159111
β-strand163-165310
α-helix166-1683
β-strand169-170210
β-strand176-1851010
α-helix186-1883
β-strand195-200611
α-helix201-2033
β-strand205-210611
Chain L: 8 helices, 21 β-strands
ElementResiduesLengthSheet
β-strand4-743
β-strand10-1454
β-strand19-2573
β-strand33-3864
β-strand45-4954
β-strand53-5424
α-helix551
β-strand62-6763
β-strand70-7563
α-helix80-823
β-strand84-9074
β-strand97-9824
β-strand102-10764
β-strand11115
α-helix112-1132
β-strand114-11856
α-helix119-1213
α-helix122-1265
β-strand129-139116
β-strand14015
β-strand145-15067
β-strand153-15427
α-helix1551
β-strand159-16356
α-helix164-1674
β-strand173-182106
α-helix183-1864
β-strand191-19777
β-strand205-21067

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Sonic hedgehog proteinAprotein169Homo sapiensQ15465 (AlphaFold model)
5E1 light chainLprotein214Homo sapiens
5E1 heavy chainHprotein220Homo sapiens
Sequence of entity 1 (A), FASTA
>3MXW_1 Sonic hedgehog protein (chains A)
GFGKRRHPKKLTPLAYKQFIPNVAEKTLGASGRYEGKISRNSERFKELTPNYNPDIIFKD
EENTGADRLMTQRCKDKLNALAISVMNQWPGVKLRVTEGWDEDGHHSEESLHYEGRAVDI
TTSDRDRSKYGMLARLAVEAGFDWVYYESKAHIHCSVKAENSVAAKSGG
Sequence of entity 2 (L), FASTA
>3MXW_2 5E1 light chain (chains L)
DIVMTQTPKFLLVSAGDKVTITCKASQSVSNDLTWYQQKPGQSPKLLIYYASNRYTGVPD
RFTGSGYGTDFTFTISTVQAEDLAVYFCQQDYGSPPTFGGGTKVEIKRTVAAPSVFIFPP
SDEQLKSGTASVVCLLNNFYPREAKVQWKVDNALQSGNSQESVTEQDSKDSTYSLSSTLT
LSKADYEKHKVYACEVTHQGLSSPVTKSFNRGEC
Sequence of entity 3 (H), FASTA
>3MXW_3 5E1 heavy chain (chains H)
QVQLQQSGPELVRPGVSVKISCKGSGYTFIDEALHWVKQSHAESLEWIGVIRPYSGETNY
NQKFKDKATMTVDISSSTAYLELARLTSEDSAIYYCARDWERGDFFDYWGQGTLVTVSSA
STKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPEPVTVSWNSGALTSGVHTFPAVLQSSG
LYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKKVEPK

Ligands and cofactors

IDNameFormulaCopies
ZNZinc ionZn1
CACalcium ionCa2

Water and common crystallization additives (SO4) are not listed.

Primary citation

Hedgehog pathway antagonist 5E1 binds hedgehog at the pseudo-active site. Maun, H.R., Wen, X., Lingel, A. et al. J Biol Chem (2010) 285:26570-26580. DOI 10.1074/jbc.M110.112284 · PubMed

Other PDB entries of the same protein (UniProt Q15465 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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