Mecistops cataphractus

African slender-snouted crocodile

Maximum lifespan

56.1 yr

AnAge record

mtDNA size

16,847 bp

RefSeq NC_010639.1

GC content

41.54%

Whole genome

Non-coding

1,295 bp

D-loop 1,141 bp

Where African slender-snouted crocodile sits among 2,335 species

Whole-genome GC content against maximum lifespan. African slender-snouted crocodile has the 109th longest lifespan of them.

This species
Other reptiles
Other classes

Plot other mtDNA features with this species highlighted

Base composition

Whole genome16,847 bp

GC skew (G − C) / (G + C): −0.315
AT skew (A − T) / (A + T): +0.118

Life history

Maximum lifespan: 56.1 years
Adult weight: 50.5 kg
Female sexual maturity: 12.5 years
Male sexual maturity: 12.5 years
Gestation or incubation: 75 days

Lifespan from AnAge · AnAge record · other traits from AnAge Build 15 (HAGRID 03261)

About this record

Lifespan source: AnAge build 15
Based on: an animal in captivity
Data quality: acceptable, medium sample
Licence: Free to use, subject to the Human Ageing Genomic Resources conditions of use
Status: Unchanged since build 1
In the database since: build 1 (2015-07-01)

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

Composition by region

Reference (L) strand as deposited in RefSeq

Whole genome16,847 bp

Protein-coding11,428 bp

12S rRNA986 bp

16S rRNA1,590 bp

All tRNA1,550 bp

D-loop1,141 bp

Genes and regions

Select a column to sort; select a gene to compare it across species

Base composition of Mecistops cataphractus genes

ND1NADH dehydrogenase subunit 1	963 bp	29.1%	28.0%	15.0%	27.9%	42.89%	−0.303	+0.018
ND2NADH dehydrogenase subunit 2	1,056 bp	31.5%	27.0%	11.8%	29.6%	41.48%	−0.429	+0.078
COX1Cytochrome c oxidase subunit I	1,593 bp	29.8%	28.7%	15.9%	25.7%	41.56%	−0.236	+0.018
COX2Cytochrome c oxidase subunit II	684 bp	33.8%	24.6%	13.2%	28.5%	41.67%	−0.368	+0.158
ATP8ATP synthase F0 subunit 8	162 bp	41.4%	22.8%	8.0%	27.8%	35.80%	−0.552	+0.288
ATP6ATP synthase F0 subunit 6	696 bp	34.2%	25.9%	9.8%	30.2%	39.94%	−0.511	+0.139
COX3Cytochrome c oxidase subunit III	784 bp	28.8%	26.4%	16.6%	28.2%	44.77%	−0.259	+0.044
ND3NADH dehydrogenase subunit 3	348 bp	30.5%	31.3%	14.4%	23.9%	38.22%	−0.248	−0.014
ND4LNADH dehydrogenase subunit 4L	294 bp	27.2%	31.6%	11.6%	29.6%	41.16%	−0.438	−0.075
ND4NADH dehydrogenase subunit 4	1,374 bp	32.8%	26.1%	12.4%	28.7%	41.12%	−0.398	+0.115
ND5NADH dehydrogenase subunit 5	1,860 bp	32.8%	25.2%	12.4%	29.6%	41.99%	−0.411	+0.131
ND6NADH dehydrogenase subunit 6	528 bp	41.1%	15.9%	9.7%	33.3%	42.99%	−0.551	+0.442
CYTBCytochrome b	1,166 bp	31.5%	24.9%	12.5%	31.1%	43.65%	−0.426	+0.117
12S rRNA12S ribosomal RNA	986 bp	33.2%	20.8%	20.2%	25.9%	46.05%	−0.123	+0.229
16S rRNA16S ribosomal RNA	1,590 bp	35.6%	21.6%	18.5%	24.3%	42.77%	−0.135	+0.244
D-loopControl region (D-loop)	1,141 bp	35.2%	33.0%	12.1%	19.7%	31.81%	−0.240	+0.033

Codon usage

Counts per codon, darker is more frequent

Gene

3,835 codons in all protein-coding genes. Grouped with the Vertebrate mitochondrial code (NCBI table 2).

Phe F5.9%

UUU91

UUC134

Leu L16.6%

UUA137

UUG26

CUU79

CUC67

CUA285

CUG42

Ile I7.6%

AUU147

AUC146

Met M5.9%

AUA175

AUG50

Val V5.2%

GUU39

GUC46

GUA86

GUG29

Ser S7.6%

UCU37

UCC64

UCA117

UCG6

AGU20

AGC47

Pro P5.5%

CCU23

CCC30

CCA145

CCG12

Thr T9.1%

ACU44

ACC150

ACA148

ACG7

Ala A7.4%

GCU46

GCC124

GCA110

GCG5

Tyr Y3.0%

UAU52

UAC64

His H2.5%

CAU15

CAC80

Gln Q2.8%

CAA93

CAG16

Asn N3.3%

AAU34

AAC94

Lys K2.3%

AAA83

AAG7

Asp D1.9%

GAU21

GAC51

Glu E2.3%

GAA74

GAG13

Cys C0.8%

UGU17

UGC12

Trp W2.6%

UGA77

UGG21

Arg R1.8%

CGU7

CGC15

CGA43

CGG4

Gly G5.7%

GGU23

GGC44

GGA105

GGG45

Stop 0.3%

UAA9

UAG0

AGA0

AGG2

Genome map

38 annotated features in NC_010639.1

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-loop1

Outer ring: + strand, arrows run clockwise. Inner ring: − strand.
Middle ring: GC% of each gene against the whole genome (41.5%, dashed): out is GC-richer, in is AT-richer (full height = 6 points).

All 38 features as a table

Annotated features of Mecistops cataphractus (NC_010639.1)
Feature	Type	Start	End	Length	Strand	GC
12S rRNA	Ribosomal RNA	1	986	986 bp	+	46.1%
tRNA-Val	Transfer RNA	987	1,054	68 bp	+	–
16S rRNA	Ribosomal RNA	1,056	2,645	1,590 bp	+	42.8%
tRNA-Leu (UUR)	Transfer RNA	2,646	2,720	75 bp	+	–
ND1	Protein-coding gene	2,721	3,683	963 bp	+	42.9%
tRNA-Ile	Transfer RNA	3,682	3,753	72 bp	+	–
tRNA-Gln	Transfer RNA	3,752	3,822	71 bp	−	–
tRNA-Met	Transfer RNA	3,825	3,893	69 bp	+	–
ND2	Protein-coding gene	3,898	4,953	1,056 bp	+	41.5%
tRNA-Trp	Transfer RNA	4,954	5,027	74 bp	+	–
tRNA-Ala	Transfer RNA	5,030	5,098	69 bp	−	–
tRNA-Asn	Transfer RNA	5,100	5,172	73 bp	−	–
tRNA-Cys	Transfer RNA	5,178	5,243	66 bp	−	–
tRNA-Tyr	Transfer RNA	5,244	5,314	71 bp	−	–
COX1	Protein-coding gene	5,316	6,908	1,593 bp	+	41.6%
tRNA-Ser (UCN)	Transfer RNA	6,912	6,981	70 bp	−	–
tRNA-Asp	Transfer RNA	6,985	7,054	70 bp	+	–
COX2	Protein-coding gene	7,055	7,738	684 bp	+	41.7%
tRNA-Lys	Transfer RNA	7,743	7,816	74 bp	+	–
ATP8	Protein-coding gene	7,818	7,979	162 bp	+	35.8%
ATP6	Protein-coding gene	7,958	8,653	696 bp	+	39.9%
COX3	Protein-coding gene	8,653	9,436	784 bp	+	44.8%
tRNA-Gly	Transfer RNA	9,437	9,507	71 bp	+	–
ND3	Protein-coding gene	9,508	9,855	348 bp	+	38.2%
tRNA-Arg	Transfer RNA	9,866	9,935	70 bp	+	–
ND4L	Protein-coding gene	9,938	10,231	294 bp	+	41.2%
ND4	Protein-coding gene	10,225	11,598	1,374 bp	+	41.1%
tRNA-Ser (AGY)	Transfer RNA	11,610	11,671	62 bp	+	–
tRNA-His	Transfer RNA	11,687	11,756	70 bp	+	–
tRNA-Leu (CUN)	Transfer RNA	11,765	11,836	72 bp	+	–
ND5	Protein-coding gene	11,840	13,699	1,860 bp	+	42.0%
ND6	Protein-coding gene	13,650	14,177	528 bp	−	43.0%
tRNA-Glu	Transfer RNA	14,178	14,248	71 bp	−	–
CYTB	Protein-coding gene	14,263	15,428	1,166 bp	+	43.7%
tRNA-Thr	Transfer RNA	15,472	15,544	73 bp	+	–
tRNA-Pro	Transfer RNA	15,557	15,625	69 bp	−	–
tRNA-Phe	Transfer RNA	15,635	15,706	72 bp	+	–
D-loop	Control region	15,707	16,847	1,141 bp	–	31.8%