2IG2: IgG1-lambda kol FAB

Dir primaerstruktur des kristallisierbaren monoklonalen immunoglobulins IgG1 kol. II. Aminosaeuresequenz der L-kette, lambda-typ, subgruppe I (GERMAN). Determined by X-ray diffraction at 3.0 Å resolution. Released 12 Jul 1989.

Method
X-ray diffraction
Resolution
3.0 Å
Organism
Homo sapiens
Chains
2
Atoms
3,379
Mol. weight
72.61 kDa
Released
12 Jul 1989

Explore 2IG2 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

2IG2 contains 15 α-helices and 51 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: 7 helices, 26 β-strands

ElementResiduesLengthSheet
β-strand3-758
β-strand11-1229
β-strand18-2588
α-helix29-313
β-strand34-39610
β-strand46-51610
β-strand58-60310
β-strand68-7368
β-strand78-8368
α-helix88-903
β-strand92-98710
β-strand99111
β-strand102112
β-strand104A112
β-strand105111
β-strand112-114310
β-strand115-11629
β-strand122113
β-strand125-129514
α-helix130-1323
β-strand141-1501014
β-strand151113
β-strand156-159415
β-strand164115
β-strand170114
α-helix171-1733
β-strand174-175214
β-strand181-189914
α-helix191-1933
β-strand200-205615
α-helix206-2083
β-strand210-215615
α-helix223-2264
Chain L: 8 helices, 25 β-strands
ElementResiduesLengthSheet
β-strand511
β-strand9-1022
β-strand17-2371
β-strand33-3752
β-strand45-4732
β-strand4813
β-strand5213
α-helix53-542
β-strand5514
β-strand5714
β-strand61-6551
β-strand69-7571
α-helix79-813
β-strand84-9182
β-strand96-9942
α-helix1001
β-strand103-10532
β-strand11315
α-helix114-1152
β-strand118-12036
α-helix121-1233
α-helix124-1285
β-strand132-141106
β-strand14215
β-strand147-15267
β-strand155-15737
β-strand161-16336
α-helix164-1663
β-strand174-18296
α-helix184-1896
β-strand193-19977
β-strand202-20437
β-strand207-20827

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
IgG1-lambda kol FAB (light chain)Lprotein216Homo sapiensP0CG04 (AlphaFold model)
IgG1-lambda kol FAB (heavy chain)Hprotein455Homo sapiensP01772 (AlphaFold model)
Sequence of entity 1 (L), FASTA
>2IG2_1 IGG1-LAMBDA KOL FAB (LIGHT CHAIN) (chains L)
QSVLTQPPSASGTPGQRVTISCSGTSSNIGSSTVNWYQQLPGMAPKLLIYRDAMRPSGVP
DRFSGSKSGASASLAIGGLQSEDETDYYCAAWDVSLNAYVFGTGTKVTVLGQPKANPTVT
LFPPSSEELQANKATLVCLISDFYPGAVTVAWKADGSPVKAGVETTKPSKQSNNKYAASS
YLSLTPEQWKSHRSYSCQVTHEGSTVEKTVAPTECS
Sequence of entity 2 (H), FASTA
>2IG2_2 IGG1-LAMBDA KOL FAB (HEAVY CHAIN) (chains H)
EVQLVQSGGGVVQPGRSLRLSCSSSGFIFSSYAMYWVRQAPGKGLEWVAIIWDDGSDQHY
ADSVKGRFTISRNDSKNTLFLQMDSLRPEDTGVYFCARDGGHGFCSSASCFGPDYWGQGT
PVTVSSASTKGPSVFPLAPSSKSTSGGTAALGCLVKDYFPQPVTVSWNSGALTSGVHTFP
AVLQSSGLYSLSSVVTVPSSSLGTQTYICNVNHKPSNTKVDKRVEPKSCDKTHTCPPCPA
PELLGGPSVFLFPPKPKDTLMISRTPEVTCVVVDVSHEDPQVKFNWYVDGVQVHNAKTKP
REQQYNSTYRVVSVLTVLHQNWLDGKEYKCKVSNKALPAPIEKTISKAKGQPREPQVYTL
PPSREEMTKNQVSLTCLVKGFYPSDIAVEWESNGQPENNYKTTPPVLDSDGSFFLYSKLT
VDKSRWQQGNVFSCSVMHEALHNHYTQKSLSLSPG

Primary citation

The primary structure of crystallizable monoclonal immunoglobulin IgG1 Kol. II. Amino acid sequence of the L-chain, gamma-type, subgroup I. Kratzin, H.D., Palm, W., Stangel, M. et al. Biol Chem Hoppe Seyler (1989) 370:263-272. PubMed

Other PDB entries of the same protein (UniProt P0CG04 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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