4KI5: Murine monoclonal 3E6 FAB heavy chain

Cystal structure of human factor VIII C2 domain in a ternary complex with murine inhbitory antibodies 3E6 and G99. Determined by X-ray diffraction at 2.47 Å resolution. Released 15 Jan 2014.

Method
X-ray diffraction
Resolution
2.47 Å
Organisms
Mus musculus, Homo sapiens
Chains
5
Atoms
8,074
Mol. weight
115.2 kDa
Released
15 Jan 2014

Explore 4KI5 in 3D Show helices and sheets RCSB PDB PDBe

Secondary structure: helices and β-sheets

4KI5 contains 33 α-helices and 103 β-strands across 5 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 C: 8 helices, 22 β-strands

ElementResiduesLengthSheet
β-strand4-631
β-strand10-1232
β-strand18-2471
α-helix27-315
β-strand34-3962
β-strand46-5162
β-strand58-6032
α-helix62-643
β-strand68-7361
α-helix74-763
β-strand78-8361
α-helix88-903
β-strand92-9982
β-strand103-10642
β-strand110-11452
α-helix117-1193
β-strand12013
α-helix121-1222
β-strand123-12754
α-helix130-1323
β-strand13514
β-strand138-148114
β-strand14913
β-strand154-15745
β-strand16215
β-strand166-17384
β-strand178-187104
β-strand197-20265
α-helix203-2053
β-strand207-21265
Chain D: 7 helices, 21 β-strands
ElementResiduesLengthSheet
β-strand4-746
β-strand10-1347
β-strand19-2576
β-strand33-3757
β-strand44-4857
β-strand52-5327
α-helix541
β-strand61-6666
β-strand69-7466
α-helix79-813
β-strand83-8977
α-helix951
β-strand96-9727
β-strand101-10557
α-helix1061
β-strand11018
β-strand113-11759
α-helix118-1203
α-helix121-1266
β-strand128-138119
β-strand13918
β-strand144-149610
β-strand152-154310
β-strand158-16259
β-strand172-181109
α-helix182-1854
β-strand190-196710
β-strand204-209610
Chain E: 10 helices, 22 β-strands
ElementResiduesLengthSheet
β-strand3-6411
α-helix7-93
β-strand10-12312
β-strand18-25811
α-helix29-313
β-strand32-39812
β-strand45-52812
β-strand57-60412
α-helix62-643
β-strand68-73611
β-strand78-83611
α-helix88-903
β-strand92-100912
β-strand116-120512
α-helix123-1253
β-strand126113
β-strand129-133514
α-helix136-1383
β-strand141114
β-strand144-1541114
β-strand155113
β-strand160-163415
α-helix164-1663
β-strand168115
β-strand172-174314
α-helix175-1773
β-strand178-180314
β-strand183-1931114
β-strand203-208615
α-helix209-2113
β-strand213-218615
α-helix2191
Chain F: 6 helices, 21 β-strands
ElementResiduesLengthSheet
β-strand4-7416
β-strand10-14517
β-strand19-25716
β-strand33-38617
β-strand44-49617
β-strand53-54217
α-helix551
β-strand62-67616
β-strand70-75616
α-helix80-823
β-strand84-90717
α-helix961
β-strand97-98217
β-strand102-107617
β-strand111118
β-strand114-118519
α-helix119-1213
α-helix122-1265
β-strand129-1391119
β-strand140118
β-strand145-150620
β-strand153-155320
β-strand159-163519
β-strand173-1821019
α-helix183-1864
β-strand191-197720
β-strand205-210620
Chain M: 2 helices, 17 β-strands
ElementResiduesLengthSheet
β-strand2176-2177221
α-helix2187-21893
β-strand2190-2192321
β-strand2197122
β-strand2202122
α-helix2205-22073
β-strand2209121
β-strand2219123
β-strand2230-22461721
β-strand2248-2250324
β-strand2253-2255324
β-strand2256-22651021
β-strand2272-2273221
β-strand2275-2276225
β-strand2279-2280225
β-strand2283-2284221
β-strand2293-23142221
β-strand2319123
β-strand2320-2326721

Molecules and chains

MoleculeChainsTypeLengthOrganismUniProt
Murine monoclonal 3E6 FAB heavy chainCprotein219Mus musculus
Murine monoclonal 3E6 FAB light chainDprotein213Mus musculus
Murine monoclonal G99 FAB heavy chainEprotein224Mus musculus
Murine monoclonal G99 FAB light chainFprotein214Mus musculus
Coagulation factor VIIIMprotein183Homo sapiensP00451 (AlphaFold model)
Sequence of entity 1 (C), FASTA
>4KI5_1 MURINE MONOCLONAL 3E6 FAB HEAVY CHAIN (chains C)
QIQLVQSGPELKKPGKTVKISCKASDYTFTDYSLHWVKQAPGKGLKWMGWINTETGDPAY
ADDFKGRFAFSLETSVRTAYLQINNLKNEDTAIYFCAREDDGLASWGQGTTLTVSSAKTT
APSVYPLAPVCGDTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPAVLQSDLYTL
SSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIEPRGPA
Sequence of entity 2 (D), FASTA
>4KI5_2 MURINE MONOCLONAL 3E6 FAB LIGHT CHAIN (chains D)
QIVLTQSPAIMSASPGEKVTMTCSASSTVSYMYWYQQKPGSSPRFLISDTSNLASGVPVR
FSGSGSGTSYSLTISRIEAEDAATYYCQHWSSYPLTFGGGTKLELKRADAAPTVSIFPPS
SEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLTL
TKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC
Sequence of entity 3 (E), FASTA
>4KI5_3 MURINE MONOCLONAL G99 FAB HEAVY CHAIN (chains E)
QVQLQQSGAELMKPGASVKISCKATGYTFSSYWIEWVKQRPGHGLEWIGEILPGSGSTNY
NERFKGKASFTADSSSNTAYMQLSSLTSEDSAVYYCTRTSYYFGSSYDFDVWGAGTTVTV
SSAKTTAPSVYPLAPVCGDTTGSSVTLGCLVKGYFPEPVTLTWNSGSLSSGVHTFPALLQ
SDLYTLSSSVTVTSSTWPSQSITCNVAHPASSTKVDKKIEPRGP
Sequence of entity 4 (F), FASTA
>4KI5_4 MURINE MONOCLONAL G99 FAB LIGHT CHAIN (chains F)
DIQMTQSPSSLSASLGERVSLTCRASQEISGYLSWLQQKPDGTIKRLIYAASTLDSSVPK
RFSGSRSGSDYSLTISSLDSEDFAVYYCLQYASYPYTFGGGTKVEIKRADAAPTVSIFPP
SSEQLTSGGASVVCFLNNFYPKDINVKWKIDGSERQNGVLNSWTDQDSKDSTYSMSSTLT
LTKDEYERHNSYTCEATHKTSTSPIVKSFNRNEC
Sequence of entity 5 (M), FASTA
>4KI5_5 Coagulation factor VIII (chains M)
MGSSHHHHHHSSGLVPRGSHMLNSCSMPLGMESKAISDAQITASSYFTNMFATWSPSKAR
LHLQGRSNAWRPQVNNPKEWLQVDFQKTMKVTGVTTQGVKSLLTSMYVKEFLISSSQDGH
QWTLFFQNGKVKVFQGNQDSFTPVVNSLDPPLLTRYLRIHPQSWVHQIALRMEVLGCEAQ
DLY

Primary citation

Structure of the factor VIII C2 domain in a ternary complex with 2 inhibitor antibodies reveals classical and nonclassical epitopes. Walter, J.D., Werther, R.A., Brison, C.M. et al. Blood (2013) 122:4270-4278. DOI 10.1182/blood-2013-08-519124 · PubMed

Other PDB entries of the same protein (UniProt P00451 (AlphaFold model), which also has an AlphaFold model), best resolution first:

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