1YEG: IGG2A FAB fragment

Structure of IGG2A FAB fragment (D2.3) complexed with reaction product. Determined by X-ray diffraction at 2.0 Å resolution. Released 3 Dec 1997.

Method
X-ray diffraction
Resolution
2.0 Å
Organism
Mus musculus
Chains
2
Atoms
3,564
Mol. weight
48.87 kDa
Ligands
BPN, ZN
Released
3 Dec 1997

Explore 1YEG in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

1YEG contains 15 α-helices and 47 β-strands across 2 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 H: 8 helices, 24 β-strands

ElementResiduesLengthSheet
β-strand3-647
α-helix7-93
β-strand10-1238
β-strand18-2587
α-helix29-313
β-strand34-3968
β-strand45-5288
β-strand56-5948
α-helix61-633
β-strand6417
β-strand67-7267
β-strand77-8267
α-helix84-863
β-strand88-9478
β-strand97-9829
β-strand100C-100D29
β-strand102-10328
β-strand107-11158
α-helix114-1163
β-strand117110
β-strand120-124511
β-strand135-1451111
β-strand146110
β-strand151-155412
α-helix160-1623
β-strand169-171311
α-helix172-1743
β-strand175-177311
β-strand182-1921111
β-strand203-210712
α-helix211-2133
β-strand215-221712
Chain L: 7 helices, 23 β-strands
ElementResiduesLengthSheet
β-strand4-741
β-strand10-1342
β-strand19-2571
β-strand27C13
β-strand3113
β-strand33-3862
β-strand44-4962
β-strand53-5422
α-helix551
β-strand62-6761
β-strand70-7561
α-helix80-823
β-strand84-9072
α-helix961
β-strand97-9822
β-strand102-10652
β-strand11114
β-strand114-11855
α-helix119-1213
α-helix122-1265
β-strand129-139115
β-strand14014
β-strand145-15066
β-strand153-15536
β-strand159-16355
α-helix164-1674
β-strand173-182105
α-helix183-1864
β-strand191-19776
β-strand205-21066

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
IGG2A FAB fragmentLprotein219Mus musculus
IGG2A FAB fragmentHprotein222Mus musculusP01863 (AlphaFold model)
Sequence of entity 1 (L), FASTA
>1YEG_1 IGG2A FAB FRAGMENT (chains L)
DIVMTQSPLTLSVTIGQPASISCKSSQSLLYSNGKTYLNWLLQRPGQSPKRLIHLVSKLD
SGVPDRITGSGSGTDFTLKISRVEAADLGVYYCVQGTHFPYTFGGGTKLEILRGDAAPTV
SIFPPSSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSM
SSTLTLTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC
Sequence of entity 2 (H), FASTA
>1YEG_2 IGG2A FAB FRAGMENT (chains H)
EMQLQQSGAELLRPGTSVKLSCKTSGYIFTSYWIHWVKQRSGQGLEWIARIYPGTGSTYY
NEKFKGKATLTADKSSSTAYMQLSTLKSEDSAVYFCTRWGFIPVREDYVMDYWGQGTLVT
VSSAKTTAPSVYPLAPVCGDTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPAVL
QSDLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIEP

Ligands and cofactors

IDNameFormulaCopies
BPNParanitrobenzyl alcoholC7 H7 N O31
ZNZinc ionZn7

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

Primary citation

X-ray structures of a hydrolytic antibody and of complexes elucidate catalytic pathway from substrate binding and transition state stabilization through water attack and product release. Gigant, B., Charbonnier, J.B., Eshhar, Z. et al. Proc Natl Acad Sci U S A (1997) 94:7857-7861. DOI 10.1073/pnas.94.15.7857 · PubMed

Other PDB entries of the same protein (UniProt P01863 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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