Maximum lifespan
40.4 yr
AnAge record (opens in a new tab)
GC content
38.49%
Whole genome
Non-coding
3,732 bp
D-loop 3,632 bp

Where Boa constrictor sits among 2,335 species

Whole-genome GC content against maximum lifespan. Boa constrictor has the 248th longest lifespan of them.

10203040501 yr10 yr100 yrMaximum lifespan, log scaleGC %Boa constrictor
  • This species
  • Other reptiles
  • Other classes

Base composition

Whole genome18,905 bp
GC skew (G − C) / (G + C)
−0.349
AT skew (A − T) / (A + T)
+0.205

Life history

Maximum lifespan
40.4 years
Adult weight
3.5 kg
Basal metabolic rate
0.359 W
Body temperature
19.9 °C
Female sexual maturity
3 years
Male sexual maturity
3 years
Gestation or incubation
125 days
Litter or clutch size
35

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 03293)

About this record

Lifespan source
AnAge build 15
Based on
an animal in captivity
Data quality
acceptable, large sample
Licence
Free to use, subject to the Human Ageing Genomic Resources conditions of use
Status
Updated in build 2
In the database since
build 1 (2015-07-01)
Last changed
build 2 (2026-11-13)

Every change against the 2015 build is in the changelog download.

Composition by region

Reference (L) strand as deposited in RefSeq
Whole genome18,905 bp
Protein-coding11,248 bp
12S rRNA926 bp
16S rRNA1,532 bp
All tRNA1,467 bp
D-loop3,632 bp

Genes and regions

Select a column to sort; select a gene to compare it across species
Base composition of Boa constrictor genes
Composition
ND1NADH dehydrogenase subunit 1967 bp36.4%23.3%11.7%28.6%40.33%−0.421+0.220
ND2NADH dehydrogenase subunit 21,030 bp39.5%21.1%10.3%29.1%39.42%−0.478+0.304
COX1Cytochrome c oxidase subunit I1,546 bp30.7%26.6%16.4%26.3%42.69%−0.233+0.072
COX2Cytochrome c oxidase subunit II687 bp33.9%22.1%18.2%25.8%43.96%−0.172+0.210
ATP8ATP synthase F0 subunit 8168 bp49.4%23.8%9.5%17.3%26.79%−0.289+0.350
ATP6ATP synthase F0 subunit 6680 bp35.3%25.7%11.8%27.2%38.97%−0.396+0.157
COX3Cytochrome c oxidase subunit III784 bp29.0%24.6%19.9%26.5%46.43%−0.143+0.081
ND3NADH dehydrogenase subunit 3343 bp32.7%25.9%12.8%28.6%41.40%−0.380+0.114
ND4LNADH dehydrogenase subunit 4L290 bp39.3%25.2%8.6%26.9%35.52%−0.515+0.219
ND4NADH dehydrogenase subunit 41,356 bp36.5%25.2%10.2%28.1%38.27%−0.468+0.183
ND5NADH dehydrogenase subunit 51,791 bp40.5%22.2%10.3%27.0%37.35%−0.447+0.292
ND6NADH dehydrogenase subunit 6507 bp51.1%14.8%7.7%26.4%34.12%−0.549+0.551
CYTBCytochrome b1,114 bp33.6%25.3%12.1%29.0%41.11%−0.410+0.140
12S rRNA12S ribosomal RNA926 bp40.0%16.8%18.3%24.9%43.20%−0.155+0.407
16S rRNA16S ribosomal RNA1,532 bp41.2%20.3%16.3%22.2%38.51%−0.153+0.340
D-loopControl region (D-loop)3,632 bp38.0%30.4%7.4%24.2%31.58%−0.531+0.111

Codon usage

Counts per codon, darker is more frequent

3,751 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.8%
UUU70
UUC148
Leu L13.8%
UUA91
UUG24
CUU55
CUC43
CUA267
CUG39
Ile I8.3%
AUU101
AUC212
Met M8.4%
AUA264
AUG50
Val V4.7%
GUU39
GUC24
GUA90
GUG24
Ser S6.9%
UCU26
UCC24
UCA158
UCG9
AGU10
AGC33
Pro P5.2%
CCU16
CCC27
CCA139
CCG13
Thr T10.9%
ACU32
ACC112
ACA246
ACG17
Ala A6.4%
GCU19
GCC83
GCA133
GCG6
Tyr Y2.7%
UAU32
UAC69
His H2.7%
CAU22
CAC80
Gln Q2.6%
CAA79
CAG18
Asn N4.0%
AAU26
AAC124
Lys K2.9%
AAA95
AAG13
Asp D1.7%
GAU17
GAC46
Glu E2.4%
GAA71
GAG20
Cys C0.8%
UGU16
UGC13
Trp W2.6%
UGA79
UGG20
Arg R1.7%
CGU8
CGC4
CGA44
CGG7
Gly G5.3%
GGU35
GGC23
GGA99
GGG42
Stop 0.1%
UAA3
UAG0
AGA0
AGG2

Genome map

39 annotated features in NC_007398.1

Hover, tap or tab to a feature to see its position, length, strand and GC content. Genes and rRNAs open their own pages.

  • Protein-coding13
  • rRNA2
  • tRNA22
  • D-loop2
  • Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
  • Middle ring: GC% of each gene against the whole genome (38.5%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).
All 39 features as a table
Annotated features of Boa constrictor (NC_007398.1)
FeatureTypeStartEndLengthStrandGC
tRNA-PheTransfer RNA16767 bp+–
12S rRNARibosomal RNA68993926 bp+43.2%
tRNA-ValTransfer RNA9941,05865 bp+–
16S rRNARibosomal RNA1,0592,5901,532 bp+38.5%
ND1Protein-coding gene2,5913,557967 bp+40.3%
tRNA-IleTransfer RNA3,5583,62770 bp+–
D-loopControl region3,6285,3811,754 bp–31.6%
tRNA-Leu (UUR)Transfer RNA5,3825,45473 bp+–
tRNA-GlnTransfer RNA5,4555,52672 bp−–
tRNA-MetTransfer RNA5,5325,59463 bp+–
ND2Protein-coding gene5,5956,6241,030 bp+39.4%
tRNA-TrpTransfer RNA6,6256,69167 bp+–
tRNA-AlaTransfer RNA6,6936,75664 bp−–
tRNA-AsnTransfer RNA6,7606,83273 bp−–
tRNA-CysTransfer RNA6,8636,92361 bp−–
tRNA-TyrTransfer RNA6,9246,99067 bp−–
COX1Protein-coding gene6,9928,5371,546 bp+42.7%
tRNA-Ser (UCN)Transfer RNA8,5848,65168 bp−–
tRNA-AspTransfer RNA8,6528,71665 bp+–
COX2Protein-coding gene8,7179,403687 bp+44.0%
tRNA-LysTransfer RNA9,4099,47466 bp+–
ATP8Protein-coding gene9,4759,642168 bp+26.8%
ATP6Protein-coding gene9,63310,312680 bp+39.0%
COX3Protein-coding gene10,31311,096784 bp+46.4%
tRNA-GlyTransfer RNA11,09711,16064 bp+–
ND3Protein-coding gene11,16111,503343 bp+41.4%
tRNA-ArgTransfer RNA11,50411,57067 bp+–
ND4LProtein-coding gene11,57111,860290 bp+35.5%
ND4Protein-coding gene11,86113,2161,356 bp+38.3%
tRNA-HisTransfer RNA13,21713,28266 bp+–
tRNA-Ser (AGY)Transfer RNA13,28313,34058 bp+–
tRNA-Leu (CUN)Transfer RNA13,34113,41171 bp+–
ND5Protein-coding gene13,41215,2021,791 bp+37.4%
ND6Protein-coding gene15,19815,704507 bp−34.1%
tRNA-GluTransfer RNA15,71415,78067 bp−–
CYTBProtein-coding gene15,78116,8941,114 bp+41.1%
tRNA-ThrTransfer RNA16,89516,96167 bp+–
tRNA-ProTransfer RNA16,96217,02766 bp−–
D-loopControl region17,02818,9051,878 bp–31.6%