Species subgroup
Subgroup typenone
Sequence NameIGHV4-39*i02
IUIS NameIGHV4-39*09
Alternative names
Affirmation Level1
Full Sequence
Coding Sequence
Inference TypeRearranged Only
Alternative names


The table below lists the submissions, and the inferences within them, on which this published sequence is based. The list may be short when the sequence is first published, containing, for example, reference to just a single submission, but is expected to grow over time as additional inferences are submitted.

'Sequence Match' indicates whether the inference exactly matches the sequence, and clicking on the tick or cross will provide an alignment. Mismatches may be caused, for example, by the inclusion of leader sequences, or nucleotides in the inference which do not in IARC's opinion have sufficient evidence for inclusion in the sequence.

Submission IDAccession NoSubject IDGenotype NameSequence NameSequence Match
S00031 OU596103S29P1_I29_S1IGHV4-39*07_C288A

Supporting Observations

Sequences in other published genotypes which have been identified by IARC and support the inference:

No Items

Observations in VDJbase

Inferred sequences in VDJbase that match this sequence:

VDJbase Allele NameSubjectsSequence Match
IGHV4-39*07_c288a 4

Un-rearranged Observations

Un-rearranged sequence observations that support this sequence:

No Items

Additional Information

Sequence IDA00071
Curator addressDept. of Immunotechnology, Lund University, Medicon Village building 406, S-22381 Lund, Sweden
Release Date2021-11-01
Release Notes

Submission published by IARC on November 1st, 2021

Sequence TypeV
Gene Subgroup4
Gene Designation39
Allele Designationi02


Individuals acknowledged as contributing to this sequence:

NameInstitutionORCID ID
William LeesBirkbeck College, University of London, Malet Street, London
Ayelet PeresBar-Ilan University, Ramat-Gan, Israel
Gur YaariBar-Ilan University, Ramat-Gan, Israel


Notes are added by IARC reviewers.

IARC meeting 63, Nov 24th, 2020:
The meeting considered the inference of the variant IGHV4-39*07_c288a in the VDJbase datasets of sample P1_I29_S1. (It was present in two other VDJbase samples). The sequence was seen in 4.61% of all unmutated rearrangements, with 1201 sequences including 1068 perfect matches to the inferred allele. There was abundant variation in the CDR3 regions of the aligned sequences. IGHV4-39*01 was also present in the genotype, at a similar frequency (4.35% of all unmutated sequences, 1135 sequences, 1009 unmutated sequences). Plots of the final 3’ nucleotides were unavailable. Haplotyping data strongly supported the inference. The sequence was tentatively affirmed as a Level 1 sequence, and the final 3’ nucleotides will be considered at a later date, when terminal nucleotide plots become available, at which time the affirmed sequence will be noted in the IARC minutes.

IARC-meeting 84, Oct 25th, 2021:
IGHV4-39*07_C288A was inferred in subject S29 (VDJ-base: P1_I29_S1). This inference has previously been pre-assessed at IARC meeting 63 ( The genotype also carried IGHV4-39*01. The inference was supported by many sequences (1304) and unmutated sequences (1107) a balanced allelic frequency (52%), a high overall frequency in the unmutated population (5.7%) and many unique CDR3s (1086) in the unmutated sequence set. Haplotyping based on allelic diversity in IGHJ6 was possible and the alleles distributed well between haplotypes (IGHV4-39*07_C288A: 99:1; IGHV4-39*01: 0:100). IARC infers the sequence at level 1 up to and including base 319 in agreement with past practice. It is acknowledged that the allele most likely carry one additional base, typically A at base position 320. The allele is given the name IGHV4-39*i02.

>IGHV4-39*i02 (IGHV4-39*07_C288A)


Supplementary Files


History logs the times and reasons for the publication of each version of this sequence.

Mats Ohlin
2021-11-01 22:50:46
Version 1 published

Submission published by IARC on November 1st, 2021

Mats Ohlin
2021-11-17 15:25:43
IMGT Name updated to IGHV4-39*09

IMGT Name updated.


All published versions of this sequence.

Sequence NameIMGT NameAlternative namesInference TypeAffirmation LevelSpecies subgroupSubgroup typeVersionDate
IGHV4-39*i02IGHV4-39*09Rearranged Only1none12021-11-01