2VIT: Immunoglobulin

Influenza virus hemagglutinin, mutant with thr 155 replaced by ile, complexed with a neutralizing antibody. Determined by X-ray diffraction at 3.25 Å resolution. Released 29 Apr 1998.

Method: X-ray diffraction
Resolution: 3.25 Å
Organisms: Mus musculus, Influenza A virus (A/X-31(H3N2))
Chains: 3
Atoms: 5,340
Mol. weight: 77.75 kDa
Ligands: ZN
Released: 29 Apr 1998

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

Secondary structure: helices and β-sheets

2VIT contains 19 α-helices and 83 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: 7 helices, 26 β-strands

Element	Residues	Length	Sheet
β-strand	4-5	2	1
β-strand	9-12	4	2
β-strand	17-22	6	3
β-strand	23-24	2	1
β-strand	27	1	1
α-helix	31-33	3
β-strand	36-41	6	2
β-strand	45-51	7	2
β-strand	55-56	2	2
β-strand	64-69	6	3
β-strand	72-78	7	3
α-helix	82-84	3
β-strand	86-93	8	2
β-strand	98-100	3	2
β-strand	101	1	1
β-strand	104-108	5	2
β-strand	114	1	4
β-strand	117	1	5
β-strand	120-121	2	5
α-helix	122-124	3
α-helix	125-129	5
β-strand	133-142	10	5
β-strand	143	1	4
β-strand	148-153	6	6
β-strand	156-157	2	6
α-helix	158	1
β-strand	162-164	3	5
α-helix	165-167	3
β-strand	168-169	2	5
β-strand	175-183	9	5
α-helix	185-189	5
β-strand	194-200	7	6
β-strand	203-209	7	6

Chain B: 6 helices, 26 β-strands

Element	Residues	Length	Sheet
β-strand	3-7	5	7
β-strand	11-12	2	8
β-strand	17-25	9	7
β-strand	33-39	7	9
β-strand	46-51	6	9
β-strand	57-59	3	9
α-helix	63-65	3
β-strand	69-72	4	7
β-strand	77-83	7	7
α-helix	87-89	3
β-strand	91-100	10	9
β-strand	107-112	6	9
β-strand	116-118	3	9
β-strand	119-120	2	8
β-strand	126	1	10
α-helix	127-128	2
β-strand	129-133	5	11
β-strand	144-147	4	12
β-strand	148-154	7	11
β-strand	155	1	10
β-strand	160-163	4	13
α-helix	164-166	3
β-strand	168	1	13
β-strand	174	1	14
α-helix	175-177	3
β-strand	178-180	3	11
β-strand	183-187	5	11
β-strand	188	1	14
β-strand	190-193	4	12
β-strand	203-208	6	13
α-helix	209-211	3
β-strand	213-218	6	13

Chain C: 6 helices, 31 β-strands

Element	Residues	Length	Sheet
β-strand	44	1	15
β-strand	51-54	4	16
β-strand	58-60	3	17
α-helix	66-71	6
α-helix	74-79	6
β-strand	83	1	18
β-strand	86-89	4	17
β-strand	100-101	2	19
α-helix	105-115	11
β-strand	117	1	18
β-strand	120-122	3	19
β-strand	131-134	4	19
β-strand	136-141	6	20
β-strand	144-146	3	20
β-strand	151-155	5	19
β-strand	157	1	21
β-strand	160	1	21
β-strand	164-170	7	22
β-strand	176-184	9	19
α-helix	188-195	8
β-strand	202-205	4	22
β-strand	211-213	3	22
α-helix	220-222	3
β-strand	223	1	23
β-strand	226	1	23
β-strand	229-237	9	19
β-strand	241-247	7	22
β-strand	251-254	4	19
β-strand	256-259	4	19
β-strand	266-269	4	17
β-strand	274-278	5	16
β-strand	282-283	2	24
β-strand	286-287	2	24
β-strand	294-295	2	15
β-strand	302	1	24
α-helix	306	1
β-strand	307-308	2	15

Molecules and chains

Molecule	Chains	Type	Length	Organism	UniProt
Immunoglobulin (IgG1, lambda)	A	protein	210	Mus musculus	G0YP42 (AlphaFold model)
Immunoglobulin (IgG1, lambda)	B	protein	221	Mus musculus	P01868 (AlphaFold model)
Hemagglutinin	C	protein	282	Influenza A virus (A/X-31(H3N2))	P03438

Sequence of entity 1 (A), FASTA

>2VIT_1 IMMUNOGLOBULIN (IGG1, LAMBDA) (chains A)
QAVVTQESALTTSPGETVTLTCRSSTGAVTTSNYANWVQEKPDHLFTGLIGGTNNRAPGV
PARFSGSLIGDKAALTITGAQTEDEAIYFCALWYSNHWVFGGGTKLTVLGQPKSSPSVTL
FPPSSEELETNKATLVCTITDFYPGVVTVDWKVDGTPVTQGMETTQPSKQSNNKYMASSY
LTLTARAWERHSSYSCQVTHEGHTVEKSLS

Sequence of entity 2 (B), FASTA

>2VIT_2 IMMUNOGLOBULIN (IGG1, LAMBDA) (chains B)
QVQLKESGPGLVAPSQSLSITCTVSGFLLISNGVHWVRQPPGKGLEWLGVIWAGGNTNYN
SALMSRVSISKDNSKSQVFLKMKSLQTDDTAMYYCARDFYDYDVFYYAMDYWGQGTSVTV
SSAKTTPPSVYPLAPGSAAQTNSMVTLGCLVKGYFPEPVTVTWNSGSLSSGVHTFPAVLQ
SDLYTLSSSVTVPSSTWPSETVTCNVAHPASSTKVDKKIVP

Sequence of entity 3 (C), FASTA

>2VIT_3 HEMAGGLUTININ (chains C)
TITDDQIEVTNATELVQSSSTGKICNNPHRILDGIDCTLIDALLGDPHCDVFQDETWDLF
VERSKAFSNCYPYDVPDYASLRSLVASSGTLEFITEGFTWTGVTQNGGSNACKRGPGSGF
FSRLNWLIKSGSTYPVLDVTMPNNDNFDKLYIWGIHHPSTNQEQTSLYVQASGRVTVSTR
RSQQTIIPNIGSRPWVRGLSSRISIYWTIVKPGDVLVINSNGNLIAPRGYFKMRTGKSSI
MRSDAPIDTCISECITPDGSIPNDKPFQNVNKITYGACPKYV

Ligands and cofactors

ID	Name	Formula	Copies
ZN	Zinc ion	Zn	3

Primary citation

Antigen distortion allows influenza virus to escape neutralization. Fleury, D., Wharton, S.A., Skehel, J.J. et al. Nat Struct Biol (1998) 5:119-123. DOI 10.1038/nsb0298-119 · PubMed

Other PDB entries of the same protein (UniProt G0YP42 (AlphaFold model), which also has an AlphaFold model), best resolution first:

1NGP 2.4 Å, N1G9 (IgG1-lambda) FAB fragment complexed with (4-hydroxy-3-nitrophenyl) acetate
1NGQ 2.4 Å, N1G9 (IgG1-lambda) FAB fragment
1PG7 2.5 Å, Murine 6A6 Fab in complex with humanized anti-Tissue Factor D3H44 Fab
1ETZ 2.6 Å, The three-dimensional structure of an anti-sweetener FAB, NC10.14, shows the extent of…
2OP4 2.85 Å, Crystal Structure of Quorum-Quenching Antibody 1G9
2NTF 3.18 Å, Crystal Structure of a Quorum-Quenching Antibody in Complex with an N-Acyl-L-Homoserine…
2VIR 3.25 Å, Influenza virus hemagglutinin complexed with a neutralizing antibody
2VIS 3.25 Å, Influenza virus hemagglutinin, (ESCAPE) mutant with thr 131 replaced by ile, complexed…
3RHW 3.26 Å, C. elegans glutamate-gated chloride channel (GluCl) in complex with Fab and ivermectin
3RIF 3.35 Å, C. elegans glutamate-gated chloride channel (GluCl) in complex with Fab, ivermectin and…
3RI5 3.4 Å, C. elegans glutamate-gated chloride channel (GluCl) in complex with Fab, ivermectin and…
3RIA 3.8 Å, C. elegans glutamate-gated chloride channel (GluCl) in complex with Fab, ivermectin and…

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